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(Non-preferred) dimensions in parentheses.

Unit:mm

Hexagon Socket Countersunk Head Cap Screws

DIN 7991 - 1986

Display drawing:

德标DIN 7991 - 1986 DIN7991 7991DIN Hexagon Socket Countersunk Head Cap Screws
Download CAD Model
Download CAD Model*

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
×

Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.
Screw Thread
d
M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24
P Pitch
α tol.(+2)
b L≤125
125＜L ≤ 200
L＞200
dk max=nominal size
min
ds max=nominal size
min
e min
k max
s Nominal Size
min
max
t max=nominal size
min
0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3
90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 60° 60°
12 14 16 18 22 26 30 34 38 42 46 50 54
/ / / 24 28 32 36 40 44 48 52 56 60
/ / / / / 45 49 53 57 61 65 69 73
6 8 10 12 16 20 24 27 30 33 36 36 39
5.7 7.64 9.64 11.57 15.57 19.48 23.48 26.48 29.48 32.38 35.38 35.38 38.38
3 4 5 6 8 10 12 14 16 18 20 22 24
2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67
2.3 2.87 3.44 4.58 5.72 6.86 9.15 11.43 11.43 13.72 13.72 16 16
1.7 2.3 2.8 3.3 4.4 5.5 6.5 7 7.5 8 8.5 13.1 14
2 2.5 3 4 5 6 8 10 10 12 12 14 14
2.02 2.52 3.02 4.02 5.02 6.02 8.025 10.025 10.025 12.032 12.032 14.032 14.032
2.1 2.6 3.1 4.12 5.14 6.14 8.175 10.175 10.175 12.212 12.212 14.212 14.212
1.2 1.8 2.3 2.5 3.5 4.4 4.6 4.8 5.3 5.5 5.9 8.8 10.3
0.95 1.55 2.05 2.25 3.2 4.1 4.3 4.5 5 5.2 5.6 8.44 9.87
Weight of per 1000 steel products(≈kg)
- - - - - - - - - - - - -
Length of Thread b
- - - - - - - - - - - - -
①,emin = 1.14 Smin

Alternative history

DIN 7991 - 1986 DIN EN ISO 10642 - 2004 DIN EN ISO 10642 - 2013 DIN EN ISO 10642 - 2020

Similar Standards

1 Hexagon socket countersunk head screws [ISO]
ISO 10642 - 1997 		Hexagon socket countersunk head screws

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2 Hexagon socket countersunk head screws [DIN EN ISO]
DIN EN ISO 10642 - 2013 		Hexagon socket countersunk head screws

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3 Hexagon Socket Countersunk Head Screws [ISO]
ISO 10642 - 2004 		Hexagon Socket Countersunk Head Screws

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4 Hexagon Socket Countersunk Head Screws With Reduced Loadability [ISO]
ISO 10642 - 2019 		Hexagon Socket Countersunk Head Screws With Reduced Loadability

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5 Hexagon Socket Countersunk Head Screws [DIN EN ISO]
DIN EN ISO 10642 - 2004 		Hexagon Socket Countersunk Head Screws

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6 Hexagon Socket Countersunk Head Screws [DIN EN ISO]
DIN EN ISO 10642 - 2020 		Hexagon Socket Countersunk Head Screws

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7 Hexagon Socket Countersunk Head Screws [GB]
GB /T 70.3 - 2008 		Hexagon Socket Countersunk Head Screws

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8 Hexagon socket countersunk head screws [GB]
GB /T 70.3 - 2000 		Hexagon socket countersunk head screws

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9 Metric hexagon socket countersunk head screws [ASME/ANSI]
ASME/ANSI B 18.3.5M - 1986 		Metric hexagon socket countersunk head screws
10 Hexagon Socket Flat Countersunk Head Cap Screws [Table 8] (ASTM F835 / F879) [ASME]
ASME B 18.3 - 2012 		Hexagon Socket Flat Countersunk Head Cap Screws [Table 8] (ASTM F835 / F879)
11 Metric Hexagon Socket Countersunk Head Cap Screws (ASTM F835M / F879M / A1-70) [ASME/ANSI]
ASME/ANSI B 18.3.5M - 1986 (R2008) 		Metric Hexagon Socket Countersunk Head Cap Screws (ASTM F835M / F879M / A1-70)
12 Metric hexagon socket countersunk head screws [ASME/ANSI]
ASME/ANSI B 18.3.5M - 1993 		Metric hexagon socket countersunk head screws
13 Metric Socket Countersunk Head Cap Screws [IFI]
IFI 535 - 1982 		Metric Socket Countersunk Head Cap Screws
14 Hexagon Socket Flat Countersunk Head Cap Screws [ASME]
ASME B 18.3 - 2003 (R2008) 		Hexagon Socket Flat Countersunk Head Cap Screws
15 Spline socket flat countersunk head cap screws [ASME/ANSI]
ASME/ANSI B 18.3 - 2003 		Spline socket flat countersunk head cap screws
16 Hexagon Socket Countersunk Head Screws - Unified Thread [BS]
BS 2470 - 1973 		Hexagon Socket Countersunk Head Screws - Unified Thread
17 Hexagon Socket Countersunk Head Screws [JIS]
JIS B 1194 - 2006 		Hexagon Socket Countersunk Head Screws
18 Hexagon Socket Countersunk Head Screws [NF]
NF E 25-146 - 2004 		Hexagon Socket Countersunk Head Screws
19 Hexagon Socket Countersunk Head Screws - ISO Metric Coarse Pitch Thread - Product Grade A [UNI]
UNI 5933 - 1988 		Hexagon Socket Countersunk Head Screws - ISO Metric Coarse Pitch Thread - Product Grade A
20 Metric Hexagon Socket Countersunk Head Screws [BS]
BS 4168-8 - 1982 		Metric Hexagon Socket Countersunk Head Screws
21 Hexagon Socket Countersunk Head Screws [CNS]
CNS 4558 - 1981 		Hexagon Socket Countersunk Head Screws
22 Countersunk Head Screws With Hexagon Socket [IS]
IS 6761 - 1994 (R2004) 		Countersunk Head Screws With Hexagon Socket