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This product is regulated by the following standards:

Technical data

Standard DIN EN 28736

This standard DIN EN 28736 specifies the characteristics of unhardened taper pins with internal thread, and metric dimensions and nominal diameters, d, from 6 to 50 mm inclusive.

Dimensions in mm - source DIN EN 28736
Publication date: 10/1992 Supersedes DIN 7878: 02/1977
d1 max	d2 nom	a	t1 nom	t2 min	t3 nom
6	M4 x 0.7	0.8	6	10	1
8	M5 x 0.8	1	8	12	1.2
10	M6 x 1	1.2	10	16	1.2
12	M8 x 1.25	1.6	12	20	1.2
16	M10 x 1.5	2	16	25	1.5
20	M12 X 1.75	2.5	18	28	1.5
25	M16 X 2	3	24	35	2
30	M20 X 2.5	4	30	40	2
40	M20 X 2.5	5	30	40	2.5
50	M24 X 3	6.3	36	50	2.5

DIN EN 28736 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d1	6	8	10	12	16	20	25	30	40	50
nominal length l
16	2.77
18	3.27	5.55
20	3.77	6.41
22	4.28	7.28	10.7
24	4.79	8.12	12
26	5.31	9.02	13.4	16.5
28	5.84	9.92	14.7	18.4
30	6.37	10.8	16.1	20.4
32	6.91	11.8	17.5	22.3	37.3
35	7.73	13.1	19.6	25.3	42.5
40	9.13	15.5	23.2	30.3	51.1	78
45	10.5	17.9	26.8	35.4	59.9	91
50	12	20.4	30.5	40.6	68.7	105	144
55	13.5	22.9	34.2	45.8	77.7	118	165
60	15.1	25.5	38.1	51.1	86.8	132	186	246
65		28.1	42	56.5	95.8	146	208	276
70		30.8	45.9	62	105	160	229	307
75		33.5	49.9	67.6	115	174	251	337
80		36.3	54	73.2	124	188	272	368	708
85			58.2	78.9	134	203	294	399	762
90			62.4	84.7	143	217	316	430	815
95			66.7	90.6	153	232	338	461	869
100			71.1	96.4	163	247	361	492	923	1396
120				121	204	308	452	620	1143	1731
140					246	370	546	751	1366	2072
160					291	435	642	885	1594	2419
180						502	741	1022	1826	2770
200						572	843	1163	2062	3126

Standard DIN 7978

Taper pins with internal thread

Dimensions in mm - source DIN 7978 Withdrawn Publication date: 02 / 1977
d1 max	d2 nom	a	t1 nom	t2 min	t3 nom
6	M4 x 0.7	0.8	6	10	1
8	M5 x 0.8	1	8	12	1.2
10	M6 x 1	1.2	10	16	1.2
12	M8 x 1.25	1.6	12	20	1.2
16	M10 x 1.5	2	16	25	1.5
20	M12 X 1.75	2.5	18	28	1.5
25	M16 X 2	3	24	35	2
30	M20 X 2.5	4	30	40	2
40	M20 X 2.5	5	30	40	2.5
50	M24 X 3	6.3	36	50	2.5

DIN 7978 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d1	6	8	10	12	16	20	25	30	40	50
nominal length l
16	2.77
18	3.27	5.55
20	3.77	6.41
22	4.28	7.28	10.7
24	4.79	8.12	12
26	5.31	9.02	13.4	16.5
28	5.84	9.92	14.7	18.4
30	6.37	10.8	16.1	20.4
32	6.91	11.8	17.5	22.3	37.3
35	7.73	13.1	19.6	25.3	42.5
40	9.13	15.5	23.2	30.3	51.1	78
45	10.5	17.9	26.8	35.4	59.9	91
50	12	20.4	30.5	40.6	68.7	105	144
55	13.5	22.9	34.2	45.8	77.7	118	165
60	15.1	25.5	38.1	51.1	86.8	132	186	246
65		28.1	42	56.5	95.8	146	208	276
70		30.8	45.9	62	105	160	229	307
75		33.5	49.9	67.6	115	174	251	337
80		36.3	54	73.2	124	188	272	368	708
85			58.2	78.9	134	203	294	399	762
90			62.4	84.7	143	217	316	430	815
95			66.7	90.6	153	232	338	461	869
100			71.1	96.4	163	247	361	492	923	1396
120				121	204	308	452	620	1143	1731
140					246	370	546	751	1366	2072
160					291	435	642	885	1594	2419
180						502	741	1022	1826	2770
200						572	843	1163	2062	3126

Standard UNI 7284

Taper pins with internal thread, unhardened

Dimensions in mm - source DIN 28736
Publication date: 10/1992 Supersedes DIN 7878: 02/1977
d1 max	d2 nom	a	t1 nom	t2 min	t3 nom
6	M4 x 0.7	0.8	6	10	1
8	M5 x 0.8	1	8	12	1.2
10	M6 x 1	1.2	10	16	1.2
12	M8 x 1.25	1.6	12	20	1.2
16	M10 x 1.5	2	16	25	1.5
20	M12 X 1.75	2.5	18	28	1.5
25	M16 X 2	3	24	35	2
30	M20 X 2.5	4	30	40	2
40	M20 X 2.5	5	30	40	2.5
50	M24 X 3	6.3	36	50	2.5

Din 28736 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d1	6	8	10	12	16	20	25	30	40	50
nominal length l
16	2.77
18	3.27	5.55
20	3.77	6.41
22	4.28	7.28	10.7
24	4.79	8.12	12
26	5.31	9.02	13.4	16.5
28	5.84	9.92	14.7	18.4
30	6.37	10.8	16.1	20.4
32	6.91	11.8	17.5	22.3	37.3
35	7.73	13.1	19.6	25.3	42.5
40	9.13	15.5	23.2	30.3	51.1	78
45	10.5	17.9	26.8	35.4	59.9	91
50	12	20.4	30.5	40.6	68.7	105	144
55	13.5	22.9	34.2	45.8	77.7	118	165
60	15.1	25.5	38.1	51.1	86.8	132	186	246
65		28.1	42	56.5	95.8	146	208	276
70		30.8	45.9	62	105	160	229	307
75		33.5	49.9	67.6	115	174	251	337
80		36.3	54	73.2	124	188	272	368	708
85			58.2	78.9	134	203	294	399	762
90			62.4	84.7	143	217	316	430	815
95			66.7	90.6	153	232	338	461	869
100			71.1	96.4	163	247	361	492	923	1396
120				121	204	308	452	620	1143	1731
140					246	370	546	751	1366	2072
160					291	435	642	885	1594	2419
180						502	741	1022	1826	2770
200						572	843	1163	2062	3126

Full list of Suppliers of Taper pins with internal thread, unhardened

India

Presstech India

Manufacturer of circlips, snap rings, dowel pins, washers, hose clamp

India

Universal Precision Screws is a leading fastener manufacturer in India, whose brand UPS Lakshmi is renowned for superior quality industrial and commercial fasteners. We excel in delivering high precision, speed and efficiency, in order to meet the dynamic market demands.

Italy

Buora d.p.u. S.r.l.

Founded in 1969, Buora D.P.U. is a distributor certified following ISO 9001.

The company offers the complete range of high strength fasteners, ready on stock, both coarse and fine pitches with metric and inch threads.

Distributor of prestigious brands such as UNBRAKO and NORD-LOCK, for Buora D.P.U. the service always comes first, therefore there is not minimum quantity required.

Italy

AB&S-AVVITO S.r.l.

Supplier of nuts, bolts and special drawing parts, both forged and turned.

UNI EN ISO 9001:2015 certified company.

China

The portal for fasteners and fixing elements

Suppliers of Taper pins with internal thread, unhardened

Technical data

Standard DIN EN 28736

Standard DIN 7978

Standard UNI 7284

Details

Presstech India

Universal Precision Screws

Buora d.p.u. S.r.l.

AB&S-AVVITO S.r.l.

Anhui paiensi metal products Co. Ltd.

ASPEE and Yihai Machinery Co. Ltd

Boneham & Turner

Dema Präzisionsteile GmbH

EWALD DENKER GmbH Präzisionstechnik

Ferah Tekniker Makina

GANDINI Spa

GARDETTE

Gremako – Gregory & Maackens GmbH & Co. KG

LGC La Goupille Cannelée

Marcus Komponenter AB

Novelli Forniture Industriali

Panama Engineering Enterprise

PIMSAN PIM BAGLANTI

PRK TECHNOLOGIES GmbH

Shanghai Dongbiao Standard Parts Co. Ltd.