Technical data for Hexagon socket countersunk head screws

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This product is regulated by the following standards:

Standard DIN EN ISO 10642

Hexagon socket countersunk head screws with reduced loadability

Dimensions in mm - source Din 10642
Publication date: 02/2020 supercedes 04/2013
d thread size	P	b	dk max=nom	dk min	k max	α+2°	t min	s nom	e min
M 2	0.4	-	4.7	3.7	1.35	90°	0.75	1.3	1.454
M 2.5
M 3
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 20

Dimensions in mm - source Din 10642
Publication date: 04/2013 supercedes 06/2004
d thread size	P	b	dk max=nom	dk min	k max	α+2°	t min	s nom	e min
M 3	0.5	18	6.72	5.54	1.86	90°	1.1	2	2.3
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 20

Dimensions in mm - source Din 10642
Publication date: 06/2004
d thread size	P	b	dk max=nom	dk min	k max	α+2°	t min	s nom	e min
M 3	0.5	18	6.72	5.54	1.86	90°	1.1	2	2.3
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 20

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH,Burggrafenstraße 6, 10787 Berlin, Germany.
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DIN 7991- ≈ mass in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial sizes
d thread size	M 3	M 4	M 5	M 6	M 8	M 10	M 12	M 14	M 16	M 18	M 20	M 22	M 24
nominal length l
6	0.41	0.77
8	0.47	0.92	1.6	2.35
10	0.56	1.07	1.85	2.7	5.47
12	0.65	1.23	2.1	3.05	6.1	10.1
16
20
25
30
35
40
45
50
55
60
65
70
75
80
90
100
110
120
130
140
150
160
170
180
190
200


Dimensions in inches - BS 2470 Table 3 - Socket Flat Countersunk Head Cap Screws
d thread size		Nr. of threads x inch		d1 min	b basic thread length	dk max theo.Sharp	k max	t min	S nom	M nom
inches	mm	UNC	UNF	d1 min	b basic thread length	dk max theo.Sharp	k max	t min	S nom	M nom
0 (0.06)	1.52	-	80	0.568	0.5	0.138	0.044	0.025	0.035	0.048
1 (0.073)
2 (0.086)
3 0.099)
4 (0.112)
5 (0.125)
6 (0.138)
8 (0.164)
10 (0.19)
1/4
5/16
3/8
7/16
1/2
5/8
3/4
7/8
1
1-1/8
1-1/4
1-3/8
1-1/2

Technical data for Hexagon socket countersunk head screws

This product is regulated by the following standards:

Standard DIN EN ISO 10642

Standard DIN 7991

Standard UNI 5933

Standard BS 4168 8

Standard BS 2470 3

Hexagon socket countersunk head screws

Suppliers of Hexagon socket countersunk head screws

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.

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.

Distributor and stockist of standard and special fasteners

Distributor of iron, stainless and special fasteners

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

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.

Manufacturer of fasteners for critical applications

Company specialized in the manufacturing of special screws on drawing with diameters from M2 to M16 and with a maximum length of 40mm. Materials: stainless steel A2/A4 , steel 4.8 – 5.8 – 8.8 - 10.9 – 12.9 , aluminium , copper and brass. Distributor of iron and stainless steel standard screws.

Dimensions in mm - source DIN 7991
Publication date: 01/1986 - Replaces DIN 7991: 01/1970 edition
d thread size	P	b (l<=125)	B (l>125<=200)	b (l>200)	dk max=nom	dk min	k max	α+2°	t max=nom	s nom	e min
M 3	0.5	12	-	-	6	5.7	1.7	90°	1.2	2	2.3
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 18
M 20
M 22
M 24

Dimensions in mm - source UNI 5933
Publication date: 06/2003
d thread size	P	b ref.	dk max=nom	dk min	k max	α+2°	t max=nom	s nom	e min
M 3	0.5	12	6	5.7	1.7	90°	1.2	2	2.3
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 18
M 20

Dimensions in mm - source BS 4168 8
Publication date: 08/1982
d thread size	P	b ref.	dk max=nom	dk min	k max	α+2°	t max=nom	s nom
M 3	0.5	18	6	5.82	1.84	90°	1.05	2
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 20