DIN 7980 - Spring Lock Washers With Square Ends For Cheese Head Screws




Nominal
d1
d2
s
h
r
Mass (7.85 kg/dm3) per 1000 units,in kg ≈
For thread size
min.
max.
max.
  
Limit Deviations
min.
max.
3
3.1
3.4
5.6
1
±0.1
2
2.36
0.2
0.105
M3
3.5
3.6
3.9
6.1
1
±0.1
2
2.36
0.2
0.114
M3.5
4
4.1
4.4
7
1.2
±0.1
2.4
2.83
0.2
0.195
M4
5
5.1
5.4
8.8
1.6
±0.1
3.2
3.78
0.2
0.37
M5
6
6.1
6.5
9.9
1.6
±0.1
3.2
3.78
0.3
0.425
M6
8
8.1
8.5
12.7
2
±0.1
4
4.72
0.5
1.05
M8
10
10.2
10.7
16
2.5
±0.15
5
5.9
0.8
1.96
M10
12
12.2
12.7
18
2.5
±0.15
5
5.9
0.8
2.28
M12
14
14.2
14.7
21.1
3
±0.2
6
7.1
1
3.8
M14
16
16.2
17
24.4
3.5
±0.2
7
8.25
1
5.94
M16
18
18.2
19
26.4
3.5
±0.2
7
8.25
1
6.6
M18
20
20.2
21.2
30.6
4.5
±0.2
9
10.6
1
12.3
M20
22
22.5
23.5
32.9
4.5
±0.2
9
10.6
1
13.6
M22
24
24.5
25.5
35.9
5
±0.2
10
11.8
1.6
18.1
M24
27
27.5
28.5
38.9
5
±0.2
10
11.8
1.6
20.6
M27
30
30.5
31.7
44.1
6
±0.2
12
14.2
1.6
32
M30
33
33.5
34.7
47.1
6
±0.2
12
14.2
1.6
35
M33
36
36.5
37.7
52.2
7
±0.25
14
16.5
1.6
52.5
M36
42
42.5
43.7
60.2
8
±0.25
16
18.9
2
80
M42
48
49
50.5
67
8
±0.25
16
18.9
2
90
M48

Tags: DIN 7980 Spring Lock Washers

General Material:Stainless Steel,Nickel Alloy,Silicon Bronze,Aluminium Bronze,Brass,Naval Brass,Coppe,Copper-Nickel,Aluminum Alloy,Titanium,Alloy Steel,Such as C1008,C1018,C1022,C1035,C1045,40cr,SCM435,35crmoA,42crmoA,AISI4140SS304/A2-70,SS316/A4-80,SS310s,SS309,SS321,SS410,SS317,SS904L,17-4 PH/630,Duplex 2205,Duplex 31803,Nitronic 40,Nitronic 50,Nitronic 60,Nickel Alloy,Hastelloy C276,Inconel 600,Inconel 601,Inconel 625,Inconel 718,Inconel X750,Inconel 800H,Inconel 825,Monel 400,Monel 405,Monel K-500,MP35N,Nickel 200,Nickel 201,Waspaloy)C65500,C64200,C61400,C63000,C63200,C46200,H59,H62,H67,C46400,C11000,90/10 C70600,70/30 C71500,6061-T6,2024-T4,Ti-6Al-4V Grade 5,ASTM B348 Grade 2,ASTM B348 Grade 7,651/S63198
General Surface Finish:Blackoxide,Zinc,Dacromet 500/Dacromet 320,Non-electrolytically Deposited Zinc Flake,Hot-dip Galvanization,Phosphating,Passviation