This product is regulated by the following standards:

DIN 912 UNI 5931 DIN EN ISO 4762 (Equivalent standards: BS EN ISO 4762, ISO 4762, UNI EN ISO 4762) NF E25-125 BS 4168 1 NF E27-161 BS 2470 2A BS 2470 2B

Technical data

Standard DIN 912

Hexagon socket head cap screws

Dimensions in mm - source DIN 912 Withdrawn
Publication date: 12 - 1983 - Supersedes DIN 912: 09 - 1979
d thread size	P	dk max	dk min	k max	k min	s nom	t min	b
M 1.4 din 912	0.3	2.74	2.46	1.4	1.26	1.5	0.6	14
M 1.6 din 912	0.35	3.14	2.86	1.6	1.46	1.5	0.7	15
M 2 din 912	0.4	3.98	3.62	2	1.86	1.5	1	16
M 2.5 din 912	0.45	4.68	4.32	2.5	2.36	2	1.1	17
M 3 din 912	0.5	5.68	5.32	3	2.86	2.5	1.3	18
M 4 din 912	0.7	7.22	6.78	4	3.82	3	2	20
M 5 din 912	0.8	8.72	8.28	5	4.82	4	2.5	22
M 6 din 912	1	10.22	9.78	6	5.7	5	3	24
M 8 din 912	1.25	13.27	12.73	8	7.64	6	4	28
M 10 din 912	1.5	16.27	15.73	10	9.64	8	5	32
M 12 din 912	1.75	18.27	17.73	12	11.57	10	6	36
M 14 din 912	2	21.33	20.67	14	13.57	12	7	40
M 16 din 912	2	24.33	23.67	16	15.57	14	8	44
M 18 din 912	2.5	27.33	26.67	18	17.57	14	9	48
M 20 din 912	2.5	30.33	29.67	20	19.48	17	10	52
M 22 din 912	2.5	33.39	32.61	22	21.48	17	11	56
M 24 din 912	3	36.39	35.61	24	23.48	19	12	60
M 27 din 912	3	40.39	39.61	27	26.48	19	13.5	66
M 30 din 912	3.5	45.39	44.61	30	29.48	22	15.5	72
M 33 din 912	3.5	50.39	49.61	33	32.38	24	18	78
M 36 din 912	4	54.46	53.54	36	35.38	27	19	84
M 42 din 912	4.5	63.46	62.54	42	41.38	32	24	96
M 48 din 912	5	72.46	71.54	48	47.38	36	28	108
M 56 din 912	5.5	84.54	83.46	56	55.26	41	34	124
M 64 din 912	6	96.54	95.46	64	63.26	46	38	140
M 72 din 912	6	108.5	107.5	72	71.25	55	43	156
M 80 din 912	6	120.5	119.5	80	79.26	65	48	172
M 90 din 912	6	135.6	134.5	90	89.13	75	54	192
M 100 din 912	6	150.6	149.4	100	99.13	85	60	212

Dimensions in mm - average sizes of Socket head screws with flange
d thread size	P	dk	dc	c	s nom	k max	t min
M4	0.7	7	9	1.5	3	4	2.2
M5	0.8	8.5	11	1.65	4	5	2.5
M6	1	10	12.5	1.75	5	6	3
M8	1.5	13	17	2	6	8	4
M10	1.5	15	21	2	8	10	5
M12	1.75	18	24	2.3	10	12	6

DIN 912 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d thread size	M 1.4	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M 12	M 14	M 16
nominal length l
2.5	0.06	0.085
3	0.065	0.09	0.155
4	0.075	0.1	0.175	0.345
5	0.085	0.11	0.195	0.375	0.67	1.48
6	0.095	0.12	0.215	0.405	0.71	1.5	2.20
8	0.115	0.14	0.255	0.465	0.8	1.65	2.45	4,30
10	0.135	0.16	0.295	0.525	0.88	1.8	2.7	4.7	10.3
12	0.155	0.18	0.355	0.585	0.96	1.95	2.95	5.07	10.9	18.9
16		0.22	0.415	0.705	1.16	2.25	3.45	5.75	12.1	20.9
18			0.47	0.77	1.26	2.45	3.73	6.15	12.8	21.9
20			0.495	0.825	1.36	2.65	4.01	6.53	13.4	22.9	32.1
25				0.975	1.61	3.15	4.78	7.59	15	25.4	35.7	48	71.3
30					1.86	3.65	5.55	8.3	16.9	27.9	39.3	53	77.8
35					2.11	4.15	6.32	9.91	18.9	30.4	42.9	58	84.4
40					2.36	4.65	7.09	11	20.9	32.9	46.5	63	91
45					2.61	5.15	7.86	12.1	22.9	36.1	50.1	68	97.6
50					2.86	5.65	8.63	13.2	24.9	39.3	54.5	73	106
55						6.15	9.4	14.3	26.9	42.5	58.9	78	114
60						6.65	10.17	15.4	28.9	45.7	63.4	84	122
65							10.94	16.5	31	48.9	67.8	90	130
70							11.71	17.6	33	52.1	71.3	96	138
75							12.48	18.7	35	55.3	75.75	102	146
80							13.25	19.8	37	58.5	80.2	108	154
90							14.79	22	41	64.9	89.1	120	170
100							16.33	14.2	45	71.2	98	132	186
110								26.4	49	77.6	107	144	202
120								28.6	53	84	116	156	218
130								30.8	57	90.4	125	168	234
140								33	61	96.8	134	180	250
150								35.2	65	103.2	143	192	266
160										109.6	152	204	282
170										116	161	216	298
180										122.4	170	228	314
190										129	179	240	330
200										135	188	252	346
220											206	276	378
240											224	300	410
260											242	324	442
280											260	348	474
300											278	372	506

DIN 912 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d thread size	M20	M 22	M24	M30	M36	M42	M48	M56	M64	M 72	M 80	M 90	M 100
nominal length l
20
25
30	128
35	139	211
40	150	224	270
45	161	237	285	500
50	172	250	300	527
55	183	263	316	554	870
60	194	276	330	581	910	1370
65	205	291	345	608	950	1420
70	216	306	363	635	990	1470	2040
80	241	336	399	690	1070	1580	2180	3340
90	266	366	435	745	1150	1680	2320	3530	5220
100	291	396	471	800	1230	1790	2460	3720	5470
110	316	426	507	855	1310	1890	2600	3920	5730
120	341	456	543	910	1390	2000	2740	4110	5980
130	366	486	579	965	1470	2100	2880	4300	6230
140	391	516	615	1020	1550	2210	3020	4490	6490
150	416	546	651	1080	1630	2320	3160	4680	6740
160	441	576	687	1130	1710	2420	3300	4880	6900
170	466	606	723	889	1790	2529	3445	5075	7075
180	491	636	759	1240	1870	2640	3590	5270	7250
190	516	666	795	977	1950	2750	3730	5460	7500
200	541	696	831	1350	2030	2860	3870	5650	7750	9950
220	591	756	903	1460	2190	3080	4150	6040	8250	10600
240	641	816	975	1570	2250	3300	4430	6420	8750	11300	14300
260	691	876	1047	1680	2410	3520	4710	6810	9260	11900	15100	19900	25700
280	741	936	1119	1790	2570	3740	4990	7200	9760	12600	15800	20900	26900
300	791	996	1191	1900	2730	3960	5270	7580	10300	13300	16600	21900	28200

Socket head screws with flange - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d thread size	M 4	M 5	M 6	M 8	M 10	M 12
10	1.48	3.07
12	1.64	3.32
16	1.96	3.82	6.21
20	2.60	4.38	6.99	14.66	25
25	3	5.15	8.05	16.2	27.5
30	3.41	5.92	8.76	18.1	30	42.8
35	3.82	6.69	10.37	20.1	32.5	46.5
40	4.23	7.46	11.46	22.1	35	50
45	4.64	8.23	12.56	24.1	38.2	53.6
50	5.05	9	13.66	26.1	41.4	58
60	5.55	10.54	15.86	30.1	47.8	66.9
70				34.1	54.2	74.8
80				38.1	60.6	83.7
90				42.1	67	92.6
100				46.1	73.3	101.5

Standard UNI 5931

Hexagon socket head cap screws - ISO metric coarse and fine pitch thread - product grade A

It establishes the characteristics of hexagon socket head cap screws with coarse pitch thread ranging from m1,6 to m56 and fine pitch thread ranging from m8x1 to m56x4, product grade A

Dimensions in mm - source UNI 5931
Publication date: 12/1984

d thread size

coarse thread

fine thread

dk max

dk min

k max

k min

s nom

t min

M 1.6 din 912

0.35

3.14

2.86

1.6

1.46

1.5

0.7

M 2 din 912

0.4

3.98

3.62

1.86

1.5

M 2.5 din 912

0.45

4.68

4.32

2.5

2.36

1.1

M 3 din 912

0.5

5.68

5.32

2.86

2.5

1.3

M 4 din 912

0.7

7.22

6.78

3.82

M 5 din 912

0.8

8.72

8.28

4.82

2.5

M 6 din 912

10.22

9.78

5.7

M 8 din 912

1.25

13.27

12.73

7.64

M 10 din 912

1.5

1.25

16.27

15.73

9.64

M 12 din 912

1.75

1.25

18.27

17.73

11.57

M 14 din 912

1.5

21.33

20.67

13.57

M 16 din 912

1.5

24.33

23.67

15.57

M 18 din 912

2.5

1.5

27.33

26.67

17.57

M 20 din 912

2.5

1.5

30.33

29.67

19.48

M 22 din 912

2.5

1.5

33.39

32.61

21.48

M 24 din 912

36.39

35.61

23.48

M 27 din 912

40.39

39.61

26.48

13.5

M 30 din 912

3.5

45.39

44.61

29.48

15.5

M 33 din 912

3.5

50.39

49.61

32.38

M 36 din 912

54.46

53.54

35.38

Standard DIN EN ISO 4762

Equivalent standards:

BS EN ISO 4762
ISO 4762
UNI EN ISO 4762

This international standard (DIN EN ISO 4762) specifies the characteristics of socket head cap screws with thread sizes from M1.6 up to M64 enclosed, of product grade A.

Dimensions in mm - source DIN EN ISO 4762
Publication date: 06 - 2004 Supersedes DIN EN ISO 4762: 02 - 1998
d thread size	P	dk max plain	dk max knurled	dk min	k max	k min	s nom	t min	w min	b
M 1.6	0.35	3	3.14	2.86	1.6	1.46	1.5	0.7	0.55	15
M 2	0.4	3.8	3.98	3.62	2	1.86	1.5	1	0.55	16
M 2.5	0.45	4.5	4.68	4.32	2.5	2.66	2	1.1	0.85	17
M 3	0.5	5.5	5.68	5.32	3	2.86	2.5	1.3	1.15	18
M 4	0.7	7	7.22	6.78	4	3.82	3	2	1.4	20
M 5	0.8	8.5	8.72	8.28	5	4.82	4	2.5	1.9	22
M 6	1	10	10.22	9.78	6	5.7	5	3	2.3	24
M 8	1.25	13	13.27	12.73	8	7.64	6	4	3.3	28
M 10	1.5	16	16.27	15.73	10	9.64	8	5	4	32
M 12	1.75	18	18.27	17.73	12	11.57	10	6	4.8	36
M 14	2	21	21.33	20.67	14	13.57	12	7	5.8	40
M 16	2	24	24.33	23.67	16	15.57	14	8	6.8	44
M 20	2.5	30	30.33	29.67	20	19.48	17	10	8.6	52
M 24	3	36	36.39	35.61	24	23.48	19	12	10.4	60
M 30	3.5	45	45.39	44.61	30	29.48	22	15.5	13.1	72
M 36	4	54	54.46	53.54	36	35.38	27	19	15.3	84
M 42	4.5	63	63.46	62.54	42	41.38	32	24	16.3	96
M 48	5	72	72.46	71.54	48	47.38	36	28	17.5	108
M 56	5.5	84	84.54	83.46	56	55.26	41	34	19	124
M 64	6	96	96.54	95.46	64	63.26	46	38	22	140

Din 4762 2004 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d thread size	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M 12	M 14	M 16
nominal length l
2.5	0.085
3	0.09	0.155
4	0.1	0.175	0.345
5	0.11	0.195	0.375	0.67
6	0.12	0.215	0.405	0.71	1.5
8	0.14	0.255	0.465	0.8	1.65	2.45
10	0.16	0.295	0.525	0.88	1.8	2.7	4.7
12	0.18	0.355	0.585	0.96	1.95	2.95	5.07	10.9
16	0.22	0.415	0.705	1.16	2.25	3.45	5.75	12.1	20.9
18		0.47	0.77	1.26	2.45	3.73	6.15	12.8	21.9
20		0.495	0.825	1.36	2.65	4.01	6.53	13.4	22.9	32.1
25			0.975	1.61	3.15	4.78	7.59	15	25.4	35.7	48	71.3
30				1.86	3.65	5.55	8.3	16.9	27.9	39.3	53	77.8
35					4.15	6.32	9.91	18.9	30.4	42.9	58	84.4
40					4.65	7.09	11	20.9	32.9	46.5	63	91
45						7.86	12.1	22.9	36.1	50.1	68	97.6
50						8.63	13.2	24.9	39.3	54.5	73	106
55							14.3	26.9	42.5	58.9	78	114
60							15.4	28.9	45.7	63.4	84	122
65								31	48.9	67.8	90	130
70								33	52.1	71.3	96	138
75								35	55.3	75.75	102	146
80								37	58.5	80.2	108	154
90									64.9	89.1	120	170
100									71.2	98	132	186
110										107	144	202
120										116	156	218
130											168	234
140											180	250
150												266
160												282

Din 4762 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial lengths
d thread size	M20	M24	M30	M36	M42	M48	M56	M64
nominal length l
20
25
30	128
35	139
40	150	270
45	161	285	500
50	172	300	527
55	183	316	554	870
60	194	330	581	910	1370
65	205	345	608	950	1420
70	216	363	635	990	1470	2040
80	241	399	690	1070	1580	2180	3340
90	266	435	745	1150	1680	2320	3530	5220
100	291	471	800	1230	1790	2460	3720	5470
110	316	507	855	1310	1890	2600	3920	5730
120	341	543	910	1390	2000	2740	4110	5980
130	366	579	965	1470	2100	2880	4300	6230
140	391	615	1020	1550	2210	3020	4490	6490
150	416	651	1080	1630	2320	3160	4680	6740
160	441	687	1130	1710	2420	3300	4880	6900
170	466	723	889	1790	2529	3445	5075	7075
180	491	759	1240	1870	2640	3590	5270	7250
190	516	795	977	1950	2750	3730	5460	7500
200	541	831	1350	2030	2860	3870	5650	7750
220		903	1460	2190	3080	4150	6040	8250
240		975	1570	2250	3300	4430	6420	8750
260			1680	2410	3520	4710	6810	9260
280			1790	2570	3740	4990	7200	9760
300			1900	2730	3960	5270	7580	10300

Standard NF E25-125

Machine screws - Hexagon socket head cap screws - Class A This standard specifies the characteristics of machine screws with cylindrical hexagon head - knurled or unkurled, with normal or reduced shank - of class A, type 1 or 2, with ISO metric thread, nominal diameter M1.6 to M48 inclusive.

Dimensions in mm - source NF E25-125
Publication date: 12/1984
d thread size	P	dk max	dk min	k max	k min	s nom	t min	b
M 1.6 din 912	0.35	3.14	2.86	1.6	1.46	1.5	0.7	15
M 2 din 912	0.4	3.98	3.62	2	1.86	1.5	1	16
M 2.5 din 912	0.45	4.68	4.32	2.5	2.36	2	1.1	17
M 3 din 912	0.5	5.68	5.32	3	2.86	2.5	1.3	18
M 4 din 912	0.7	7.22	6.78	4	3.82	3	2	20
M 5 din 912	0.8	8.72	8.28	5	4.82	4	2.5	22
M 6 din 912	1	10.22	9.78	6	5.82	5	3	24
M 8 din 912	1.25	13.27	12.73	8	7.78	6	4	28
M 10 din 912	1.5	16.27	15.73	10	9.64	8	5	32
M 12 din 912	1.75	18.27	17.73	12	11.57	10	6	36
M 14 din 912	2	21.33	20.67	14	13.57	12	7	40
M 16 din 912	2	24.33	23.67	16	15.57	14	8	44
M 18 din 912	2.5	27.33	26.67	18	17.57	14	9	48
M 20 din 912	2.5	30.33	29.67	20	19.48	17	10	52
M 22 din 912	2.5	33.39	32.61	22	21.48	17	11	56
M 24 din 912	3	36.39	35.61	24	23.48	19	12	60
M 27 din 912	3	40.39	39.61	27	26.48	19	13.5	66
M 30 din 912	3.5	45.39	44.61	30	29.48	22	15.5	72
M 33 din 912	3.5	50.39	49.61	33	32.38	24	18	78
M 36 din 912	4	54.46	53.54	36	35.38	27	19	84
M 42 din 912	4.5	63.46	62.54	42	41.38	32	24	96
M 48 din 912	5	72.46	71.54	48	47.38	36	28	108

Standard BS 4168 1

Hexagon socket head cap screws

Dimensions in mm - source BS 4168 1
Publication date: 07/ 1981
d thread size	P	dk max	dk min	k max	k min	s nom	t min	b
M 1.6 din 912	0.35	3.14	2.86	1.6	1.46	1.5	0.7	15
M 2 din 912	0.4	3.98	3.62	2	1.86	1.5	1	16
M 2.5 din 912	0.45	4.68	4.32	2.5	2.36	2	1.1	17
M 3 din 912	0.5	5.68	5.32	3	2.86	2.5	1.3	18
M 4 din 912	0.7	7.22	6.78	4	3.82	3	2	20
M 5 din 912	0.8	8.72	8.28	5	4.82	4	2.5	22
M 6 din 912	1	10.22	9.78	6	5.7	5	3	24
M 8 din 912	1.25	13.27	12.73	8	7.64	6	4	28
M 10 din 912	1.5	16.27	15.73	10	9.64	8	5	32
M 12 din 912	1.75	18.27	17.73	12	11.57	10	6	36
M 14 din 912	2	21.33	20.67	14	13.57	12	7	40
M 16 din 912	2	24.33	23.67	16	15.57	14	8	44
M 18 din 912	2.5	27.33	26.67	18	17.57	14	9	48
M 20 din 912	2.5	30.33	29.67	20	19.48	17	10	52
M 22 din 912	2.5	33.39	32.61	22	21.48	17	11	56
M 24 din 912	3	36.39	35.61	24	23.48	19	12	60
M 27 din 912	3	40.39	39.61	27	26.48	19	13.5	66
M 30 din 912	3.5	45.39	44.61	30	29.48	22	15.5	72
M 33 din 912	3.5	50.39	49.61	33	32.38	24	18	78
M 36 din 912	4	54.46	53.54	36	35.38	27	19	84

Standard NF E27-161

Hexagon socket head cap screw. Product grade A.

Standard BS 2470 2A

Hexagon socket head cap screws

Dimensions in inches - source BS 2470 Socket head cap screws Publication date: 06 / 1973
d basic thread size		Nr of threads x inch		dk max	k max	t min	b min	S nom
inches	mm	UNC	UNF	dk max	k max	t min	b min	S nom
0	1.52	-	80	0.096	0.060	0.025	0.05	0.06
N° 1	1.85	64	72	0.118	0.073	0.031	0.062	0.072
N° 2	2.18	56	64	0.140	0.086	0.038	0.078	0.096
N° 3	2.51	48	56	0.161	0.099	0.044	0.078	0.096
N° 4	2.84	40	48	0.183	0.112	0.051	0.094	0.111
N° 5	3.18	40	44	0.205	0.125	0.057	0.094	0.111
N° 6	3.51	32	40	0.226	0.138	0.064	0.109	0.133
N° 8	4.17	32	36	0.270	0.164	0.077	0.141	0.168
N° 10	4.83	24	32	0.312	0.190	0.090	0.156	0.183
1/4	6.35	20	28	0.375	0.250	0.120	0.188	0.216
5/16	7.94	18	24	0.469	0.312	0.151	0.25	0.291
3/8	9.53	16	24	0.562	0.375	0.182	0.312	0.372
7/16	11.11	14	20	0.656	0.438	0.213	0.375	0.454
1/2	12.70	13	20	0.750	0.5	0.245	0.375	0.454
5/8	15.88	11	18	0.938	0.625	0.307	0.5	0.595
3/4	19.05	10	16	1.125	0.750	0.370	0.625	0.620
7/8	22.23	9	14	1.312	0.875	0.432	0.75	0.698
1	25.40	8	12	1.5	1	0.495	0.75	0.790

Standard BS 2470 2B

Hexagon Socket Cheese Head Cap Screws - BSW and BSF Thread

Dimensions in inches - source BS 2470 Hexagon Socket Cheese Head Cap Screws - BSW and BSF Thread Publication date: 06 / 1973
d basic thread size		Nr of threads x inch		dk max	k max	t min	b min	S nom
inches	mm	BSW	BSF	dk max	k max	t min	b min	S nom

3/16	4.76	24	32	0.312	0.187	0.089	0.875	5/32
1/4	6.35	20	26	0.375	0.250	0.120	1.000	3/16
5/16	7.94	18	22	0.437	0.312	0.151	1.125	7/32
3/8	9.53	16	20	0.562	0.375	0.182	1.250	5/16
7/16	11.11	14	18	0.625	0.437	0.213	1.375	5/16
1/2	12.70	13	16	0.750	0.500	0.245	1.500	3/8
5/8	15.88	11	14	0.875	0.625	0.307	0.750	1/2
3/4	19.05	10	12	1	0.750	0.370	2.000	9/16
7/8	22.23	9	11	1.125	0.875	0.432	2.250	9/16
1	25.40	8	10	1.312	1.000	0.495	2.500	5/8

Hexagon socket head cap screws

Dimensions in mm - source DIN 4762
Publication date: 06/2004 - Supersedes DIN 4762: 02/1998
d thread size	P	dk max plain	dk max knurled	dk min	k max	k min	s nom	t min	w min	b
M 1.6	0.35	3	3.14	2.86	1.6	1.46	1.5	0.7	0.55	15
M 2	0.4	3.8	3.98	3.62	2	1.86	1.5	1	0.55	16
M 2.5	0.45	4.5	4.68	4.32	2.5	2.66	2	1.1	0.85	17
M 3	0.5	5.5	5.68	5.32	3	2.86	2.5	1.3	1.15	18
M 4	0.7	7	7.22	6.78	4	3.82	3	2	1.4	20
M 5	0.8	8.5	8.72	8.28	5	4.82	4	2.5	1.9	22
M 6	1	10	10.22	9.78	6	5.7	5	3	2.3	24
M 8	1.25	13	13.27	12.73	8	7.64	6	4	3.3	28
M 10	1.5	16	16.27	15.73	10	9.64	8	5	4	32
M 12	1.75	18	18.27	17.73	12	11.57	10	6	4.8	36
M 14	2	21	21.33	20.67	14	13.57	12	7	5.8	40
M 16	2	24	24.33	23.67	16	15.57	14	8	6.8	44
M 20	2.5	30	30.33	29.67	20	19.48	17	10	8.6	52
M 24	3	36	36.39	35.61	24	23.48	19	12	10.4	60
M 30	3.5	45	45.39	44.61	30	29.48	22	15.5	13.1	72
M 36	4	54	54.46	53.54	36	35.38	27	19	15.3	84
M 42	4.5	63	63.46	62.54	42	41.38	32	24	16.3	96
M 48	5	72	72.46	71.54	48	47.38	36	28	17.5	108
M 56	5.5	84	84.54	83.46	56	55.26	41	34	19	124
M 64	6	96	96.54	95.46	64	63.26	46	38	22	140

Din 4762 2004 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d thread size	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M 12	M 14	M 16
nominal length l
2.5	0.085
3	0.09	0.155
4	0.1	0.175	0.345
5	0.11	0.195	0.375	0.67
6	0.12	0.215	0.405	0.71	1.5
8	0.14	0.255	0.465	0.8	1.65	2.45
10	0.16	0.295	0.525	0.88	1.8	2.7	4.7
12	0.18	0.355	0.585	0.96	1.95	2.95	5.07	10.9
16	0.22	0.415	0.705	1.16	2.25	3.45	5.75	12.1	20.9
18		0.47	0.77	1.26	2.45	3.73	6.15	12.8	21.9
20		0.495	0.825	1.36	2.65	4.01	6.53	13.4	22.9	32.1
25			0.975	1.61	3.15	4.78	7.59	15	25.4	35.7	48	71.3
30				1.86	3.65	5.55	8.3	16.9	27.9	39.3	53	77.8
35					4.15	6.32	9.91	18.9	30.4	42.9	58	84.4
40					4.65	7.09	11	20.9	32.9	46.5	63	91
45						7.86	12.1	22.9	36.1	50.1	68	97.6
50						8.63	13.2	24.9	39.3	54.5	73	106
55							14.3	26.9	42.5	58.9	78	114
60							15.4	28.9	45.7	63.4	84	122
65								31	48.9	67.8	90	130
70								33	52.1	71.3	96	138
75								35	55.3	75.75	102	146
80								37	58.5	80.2	108	154
90									64.9	89.1	120	170
100									71.2	98	132	186
110										107	144	202
120										116	156	218
130											168	234
140											180	250
150												266
160												282

Din 4762 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial lengths
d thread size	M20	M24	M30	M36	M42	M48	M56	M64
nominal length l
20
25
30	128
35	139
40	150	270
45	161	285	500
50	172	300	527
55	183	316	554	870
60	194	330	581	910	1370
65	205	345	608	950	1420
70	216	363	635	990	1470	2040
80	241	399	690	1070	1580	2180	3340
90	266	435	745	1150	1680	2320	3530	5220
100	291	471	800	1230	1790	2460	3720	5470
110	316	507	855	1310	1890	2600	3920	5730
120	341	543	910	1390	2000	2740	4110	5980
130	366	579	965	1470	2100	2880	4300	6230
140	391	615	1020	1550	2210	3020	4490	6490
150	416	651	1080	1630	2320	3160	4680	6740
160	441	687	1130	1710	2420	3300	4880	6900
170	466	723	889	1790	2529	3445	5075	7075
180	491	759	1240	1870	2640	3590	5270	7250
190	516	795	977	1950	2750	3730	5460	7500
200	541	831	1350	2030	2860	3870	5650	7750
220		903	1460	2190	3080	4150	6040	8250
240		975	1570	2250	3300	4430	6420	8750
260			1680	2410	3520	4710	6810	9260
280			1790	2570	3740	4990	7200	9760
300			1900	2730	3960	5270	7580	10300

Full list of Suppliers of Hexagon socket head cap screws

Italy

DELTA OFFICINA MECCANICA SRL

Manufacturer specialized in socket head cap screws and six lobe recess screws in carbon stee. Threaded rods

Italy

Kilton S.R.L.

Company specialized in the production of fasteners and fixings for industrial applications in the following fields: automotive, home appliances, mechanical, components, building industry.

Leader in the manufacturing of special fasteners.

Thread rolling screws with hexagon washer head

Thread forming screws with round head and hexagon socket

Viti trilobate testa cilindrica impronta croce philips

Italy

La Bulloneria Pesaro Srl

Company leader in the commerce of nuts, bolts.

Range of more than 100.000 products such as screws, bolts, technical articles, industrial wheels, Tie rods for ropes and tools.

Italy

Vipa S.p.a.

VIPA is a leading wholesaler of screws, nuts and bolts. The extensive stock of high-quality screws and bolts and the highly automated warehouse make VIPA the ideal supplier of screws, nuts and bolts with metric threads, drawing parts, special screws, washers, nuts and various fastening systems.

France

Avantage Industrie

Distributor and stockist of standard and special fasteners

Denmark

BC Technic Aps

Distributor of iron, stainless and special fasteners

Poland

Eurobolt

Polish products acc. norm DIN / ISO and drawings

Diameter: M6 to M100 (especially bigger diameter)

Materials: 5.6 / 8.8 / 10.9 / 12.9 / 25CrMo4 / 42CrMo4

Treatment: ZN / HDG (tZn) / flZnnc

EN 15048 SB sets 'CE' Made in Poland

EN 14399 HV sets 'CE' Made in Poland

Italy

IPL S.R.L.

Producer of ASTM nuts, ASTM studs, B7 studs, ASTM screws, B7 screws, B16, B8, B8M, L7, L7M, F51, F55, 660, duplex, superduplex, titanium

Bulgaria

Kraft - Bulgaria Ltd.

Kraft Bulgaria EOOD is a leading BG company specialized in the trade of fasteners, industrial supplies, industrial armature for water, industrial, fire-frightening systems and irrigation sectors.

Our success is due to the high quality of the offered products, the professionalism and qualification of our team, as well as our flexible distribution network.

Italy

PRESSVIT S.R.L.

PRESSVIT has been on the market since 1967 and specialises in the production of special screws according to drawings. Within the company there is a dedicated machine shop area where modifications to existing equipment are made in order to allow customised machining of products according to customer requirements.

Cold forged special parts are therefore produced not only on time, but also with the utmost flexibility, as each production step is completed completely independently and according to the customer''s instructions.

France

Satinox Assemblage

Satinox Assemblage is a distributor and a manufacturer expert in fasteners. We offer a global supply solution of fasteners: sourcing, controls with our in house-lab, sub-contracting of special processes, storage, kitting and packaging, logistics and delivery.

Netherlands

Stafa

Specialists in hot dip galvanized fasteners

Stafa is a leading European importer of fasteners and fixings with a huge range of more than 75,000 products.

Private label packaging, assembled sets and kits, direct manufacturer to customer for large volumes, retail store concepts, special parts and complete project deliveries.

Netherlands

Triofast BV

Distributor of standard and special fasteners.

The company supplies fasteners with various types of thread: UNC, UNF, BSW and BSF. The products meet standards such as ISO, DIN, ASTM, ANSI and BS.

Spain

Varosa

Spanish company manufacturing threaded rods and anchor bolts, with more than 40 years of experience in this field.

Production range: M-4 to M-80, in lengths from 20 mm to 6 meters in quality 4.8, 5.6, 6.8, 8.8, 10.9, 12.9 and stainless steel A2.

Austria

Weyland Steiner Handwerks & Industriebedarf GMBH

The company Weyland-Steiner is a flexible supplier of norm, standard, drawing and special parts, as well as C-parts management!

Our strength is the rapid procurement of special parts in all materials and surfaces.

Full-service trader of tools, fittings and hardware.

Germany

Achilles Seibert GmbH

Fasteners import-export distributor, specialized in hexagon socket screws and hexagon head screws

Italy

Ambrovit S.p.A.

Distributor of hex lag screws, chipboard screws, carpentry screws, drywall screws, concrete screws, PVC windows screws, dome and euro screws, metric screws, nuts/washers/bolts/threaded rods, self-tapping screws, self-drilling screws, stainless steel screws.

China

ANHUI GOODLINK FASTENER CO. LTD.

Manufacturer of socket cap screws in steel class 12.9

Italy

ANNIBALE VITERIE SPA

Manufacturer of special cold forged screws, socket screws and screws with flange.

Size: 3 -16 mm, lengths up to 100 mm . Resistance classes from 4.8 to 12.9.

Poland

Argip sp. z o.o.

Fastener distributor, 30.000 pallet places: standard parts, elements for profiles, socket screws, prevailing torque nuts, hex bolts and nuts, rigging equipment, rivets, disc springs, washers, threaded rods.

The company has its own production line of silver & black zinc flake, nylon thread-lockers and adhesive pre-applications.

Thailand

Bangkok Fastening Co. Ltd.

Manufacturer of hex head screws, carriage bolts and socket cap screws

Afghanistan

BAYKAN CIVATA

Manufacturer of standard and special screws

Germany

Böllhoff GmbH

Worldwide manufacturer of special fasteners and automatic assembly machines, wholesaler and supplier of fasteners in steel, stainless steel, brass and plastic.

The assortment includes more than 100,000 items: DIN and standard items, threaded inserts, Normteile, Gewindeeinsätze, fast fixings, adhesives and custom-special parts both in steel and plastic.

Italy

Bontempi VIBO SpA

Manufacturer of hexagon head fasteners in carbon and stainless steel

Italy

BULLONERIA BELLICINI srl

Manufacturer of hot forged fasteners and nip bolts, from M20 to M64

Clyde Fasteners Limited

Manufacturer of socket screws and Tee Slot Bolts both metric and imperial

China

Eagle Metalware Co. Ltd

Manufacturer of hex socket head cap screws, DIN 912, DIN 913, DIN 914, DIN 915, DIN 916, DIN 7991, DIN 7984, ISO 7380, anchors and auto parts, all made by cold forging.

No MOQ with 15-50 days lead time

Germany

Emil Niggeloh GmbH

Manufacturer of standard screws as per DIN and special screws as per customers request. Seizes from M 8 up to M 90

Poland

FABRYKA SRUB BISPOL S.A.

Manufacturer of hexagonal head screws and socket head screws, machine and tapping screws, round head square neck bolts, double end studs. Dia. 3÷16; lengths up to 160 mm

Germany

Fastener 2000 GmbH

Manufacturer of hex screws and socket cap screws

Taiwan

FkE FWU Kuang Enterprises LTD

One of the main producers of socket cap screws in haig tensile steels: 10.9 12.9 14.99

Germany

Friedrich Battenfeld

We have been a reliable supplier of standard and special fasteners for over 35 years.

We are able to produce parts on customer request.

Our strengths are the production of non-standard parts and our wide product range. We manufacture in sizes from M3 to M16.

Send us your requests.

China

Guangzhou FHEVOS metal Products Co. Ltd

Company specialized in all kinds of riveting products, such as rivet nuts, blind rivet studs, blind rivets, structural blind rivets, 'Lock Bolt' BOM® rivets and stainless steel screws, such as socket head, tapping, drilling, machine screws etc.

Poland

HSW - Fastening Elements Factory FASTEC Ltd.

Manufacturer and supplier of fastening elements for building-, machine-building and electronic industry, engineering, petrochemistry, and motorization.

Taiwan

JINN HER ENTERPRISE CO. LTD

Manufacturer of standard and special fasteners, from M4 to M30, from 1/4' to 1-1/4'. Lengths from 10 to 300mm and from 1/2' to 12'.

K-Engineering Co Ltd

Manufacturer of threaded items, mainly screwed rods, engineering studs, bright bolts and sets and special items according to customer specifications

USA

Kerr Lakeside Inc.

Manufacturer of socket cap screws both in metric and inch dimensions

Czech Republic

Killich s.r.o.

Import/export of standard fasteners and special parts on drawing
Delivery just in time of screws, washers, nuts, anchoring systems, riveting techniques
Individual and fast service through sales representants
Fast reaction to customer demand
Quality, price, reliability, service and individual approach

Germany

Lück Schrauben GmbH Schraubenfabrik

Manufacturer of hex head and square head fasteners

Spain

Madimport

Distributor of stainless steel fasteners

India

MARUTI INTERNATIONAL

Manufacturer of screws, nuts, washers and threaded rods

Italy

Marvit Srl

Fastener distribution: Total completeness with large stock of standard products, medium/high strength items, stainless steel, brass, hot forged and turned parts. More than 50.000 items are supplied with several surface treatments.

Italy

METALVIT Srl

Manufacturer of socket and six lobes cap fasteners.

India

Micron Precision Screws Ltd

Manufacturer of socket head screws, shoulder screws and dowel pins ranging from 4mm to 40mm diameter and lengths up to 400 mm in various grades (4.6, 5.6, 8.8, 10.9, 12.9, and 14.9).

Estonia

NB Quality Group LTD

Products in different product groups: Cleaning, Lubrication, Surface Treatment, Glues, Tapes, Electrical and Additives.

China

NINGBO JINDING FASTENING PIECE CO.LTD.

Manufacturer of hexagon head screws, socket cap screws, high strength fasteners

Annual capacity of 120,000 tons

China

Ningbo Taida Fastener Manufacture CO.LTD.

Manufacturer of stud bolts, threaded rods, bolts and nuts.

DIN931/DIN933/DIN558 and ASTM A325 hexagon head bolts, DIN934, DIN6923, DIN985 and ASTM A 194 2H nut, DIN960, DIN961, DIN6914, DIN7990, DIN7991, DIN912, DIN7985 screws and DIN975, DIN976, ASTM A 193 B7 threaded rods, as well as other AS, GB, ISO, BS, JIS standard

Afghanistan

NORM CIVATA SANAYI ve TICARET A.S. (NORM GROUP)

Manufacturer of standard and special fasteners for automotive

Afghanistan

OBEL CIVATA SAN. ve TiC.

Manufacturer of metric and inch size fasteners

Taiwan

OFCO INDUSTRIAL CORP.

Manufacturer of hex head and cap screws

RAPID INDUSTRIAL FASTENERS LTD

Distributor and manufacturer of all fasteners in all grades of material. We are ISO 9001 approved and through our machine shop manufacturing from M3 up to M100. Our markets range from Petro-Chemical through to Ministry of Defence Work.

Rcf Bolt and Nut Co Tipton Limited

Leading specialist in the manufacture and distributor of industrial fasteners, manufacturing up to M64 diameter in Mild steel & High tensile and up to M39 diameter in A2-304 & A4-316 stainless steel.

Spain

Reyza

Manufacturer of high strength resistance screws

Italy

Rosval S.r.l

Manufacturer of socket head screws, machine screws and thread rolling screws.

Afghanistan

Serin Civata San. ve Tic. Ltd. Sti.

Manufacturer of screws and bolts with diameter of 4, 5 , 6, 8, 10 and 12 mm and lengths between 15- 220 m. Hexagon head, round head, with hexagon socket and Whitworth thread as well.

China

SHANGHAI PRIME MACHINERY CO.LTD

One of the largest fasteners manufacturer and exporter in China.

Hexagon and socket screws, high strength hex bolts (ASTM GR5 and GR8, DIN and ISO CL.8.8 and 10.9)

The surface plating includes Black, Zinc Bright, Zinc Yellow, Hot Dip Galvanize, Dacromet, Geomet and others.

Socket & Allied Screws Ltd

Manufacturer of socket screws (Imperial No. 0 to 4' and Metric M2.5 to M100) and special bespoke fasteners

Socketfast Ltd Boltfast Ltd

Importer and distributor of cap screws both in metric and imperial sizes.

Afghanistan

Tekelioglu Civata

Manufacturer of costruction fasteners, both standard and special. Metric and inch sizes

Spain

TORNILLERIA ORUESAGASTI S.A.

Manufacturer of hot forged special fasteners and DIN standard fasteners. Construction, railway and automotive sectors.

Sizes from M16 to M56 and lengths up to 500mm

Spain

Suppliers of Hexagon socket head cap screws

Technical data

Standard DIN 912

Standard UNI 5931

Standard DIN EN ISO 4762

Standard NF E25-125

Standard BS 4168 1

Standard NF E27-161

Standard BS 2470 2A

Standard BS 2470 2B

Details