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Technical data

DIN 34821

Standard DIN 34821

This standard specifies dimensions and technical delivery conditions for M6 to M16 and M12 x 1,5 to M16 x 1,5 cheese head screws with 12 point socket, of property classes 8.8, 10.9 and A2-70, and product grade A.

Dimensions in mm - source DIN 34821
Publication date: 11/2005
d thread size		M 6	M 8	M 10	M 12	M 14	M 16
P coarse		1	1.25	1.5	1.75	2	2
P fine		-	-	-	1.5	1.5	1.5
dk mx		10	13	16	18	21	24
dk min		9.78	12.73	15.73	17.73	20.67	23.67
k nom=max		6	8	10	12	14	16
h max		4.2	5.48	6.78	8.08	9.48	10.58
12 point socket	size	N8	N10	N12	N14	N16	N18
	s	7.4	9.84	11.7	13.54	15.99	17.18
	t min	3	4	5	6	7	8

Din 34821 - ≈ weight in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial sizes
d thread size	M 6	M 8	M 10	M 12	M 14	M 16
nominal length l
8
10
12	4.9
16	5.6	11.2
20	6.3	12.4	21.8	32.6	48.9	71.3
25	7.1	14	24.2	36.2	54	78.1
30	8	15.6	26.7	40	59.1	85
35	8.9	17.1	29.1	43.6	64.2	91.8
40	9.7	18.7	31.6	47.3	69.4	98.7
45	10.6	20.2	34	51	74.5	106
50	11.4	21.8	36.5	54.6	79.6	112
55	12.3	23.3	38.9	58.3	84.8	119
60	13.2	24.9	41.3	61.9	89.9	126
65	14	26.4	43.8	65.6	95	133
70	14.9	28	46.2	69.3	100	140
80		31.1	51.1	76.6	110	153
90			50	83.9	121	167
100					131	181

12 point socket cheese head screws

Dimensions in mm - source DIN 34821
Publication date: 11/2005
d thread size		M 6	M 8	M 10	M 12	M 14	M 16
P coarse		1	1.25	1.5	1.75	2	2
P fine		-	-	-	1.5	1.5	1.5
dk mx		10	13	16	18	21	24
dk min		9.78	12.73	15.73	17.73	20.67	23.67
k nom=max		6	8	10	12	14	16
h max		4.2	5.48	6.78	8.08	9.48	10.58
12 point socket	size	N8	N10	N12	N14	N16	N18
	s	7.4	9.84	11.7	13.54	15.99	17.18
	t min	3	4	5	6	7	8

Din 34821 - ≈ weight in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial sizes
d thread size	M 6	M 8	M 10	M 12	M 14	M 16
nominal length l
8
10
12	4.9
16	5.6	11.2
20	6.3	12.4	21.8	32.6	48.9	71.3
25	7.1	14	24.2	36.2	54	78.1
30	8	15.6	26.7	40	59.1	85
35	8.9	17.1	29.1	43.6	64.2	91.8
40	9.7	18.7	31.6	47.3	69.4	98.7
45	10.6	20.2	34	51	74.5	106
50	11.4	21.8	36.5	54.6	79.6	112
55	12.3	23.3	38.9	58.3	84.8	119
60	13.2	24.9	41.3	61.9	89.9	126
65	14	26.4	43.8	65.6	95	133
70	14.9	28	46.2	69.3	100	140
80		31.1	51.1	76.6	110	153
90			50	83.9	121	167
100					131	181

Full list of Suppliers of 12 point socket cheese head screws

India

Universal Precision Screws

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.

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

Taiwan

• hexagon head screws, socket cap screws and 12-point screws.

• hexagon nuts and 12-point nuts

• plugs

• special parts following customer requirement

Italy

Vimi Fasteners S.p.A.

Producer of special fasteners, automotive fasteners, double end studs.

Quality certificate: ISO/TS 16949

Taiwan

YFS - Fang Sheng Screw CO. LTD.

One of the world''s largest manufactures of Alloy Steel Hexagon Socket Screws: Hex Socket Cap, Flat Head Sockets, Shoulder Screws, Button Head Sockets, Hex. Heads, Socket SET Screws.

The portal for fasteners and fixing elements

Suppliers of 12 point socket cheese head screws

Technical data

Standard DIN 34821

Details

Universal Precision Screws

Kraft - Bulgaria Ltd.

AB&S-AVVITO S.r.l.

Clyde Fasteners Limited

Fareast Metal International Co.Ltd

FkE FWU Kuang Enterprises LTD

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

OET SRL

Vimi Fasteners S.p.A.

YFS - Fang Sheng Screw CO. LTD.