DIN 7980 spring washer for cylinder head bolts, zinc-plated

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Long description
Flat-ended spring washer especially for cylinder head screws or hexagon socket head screws, made of spring steel, DIN 7980.
Product
Unit

Inside diameter

d1

Outside diameter

d2

Thickness

s

Designed for thread

Surface treatment

Material

DIN Standard

Weight per 100 pieces

Each
3.1 mm
5.6 mm
1 mm
M3
Zinc-plated
Steel
7980
0.01 KG
Each
4.1 mm
7 mm
1.2 mm
M4
Zinc-plated
Steel
7980
0.02 KG
Each
5.1 mm
8.8 mm
1.6 mm
M5
Zinc-plated
Steel
7980
Each
6.1 mm
9.9 mm
1.6 mm
M6
Zinc-plated
Steel
7980
Each
8.1 mm
12.7 mm
2 mm
M8
Zinc-plated
Steel
7980
Each
10.2 mm
16 mm
2.5 mm
M10
Zinc-plated
Steel
7980
Each
12.2 mm
18 mm
2.5 mm
M12
Zinc-plated
Steel
7980
Each
14.2 mm
21.1 mm
3 mm
M14
Zinc-plated
Steel
7980
Each
16.2 mm
24.4 mm
3.5 mm
M16
Zinc-plated
Steel
7980
Each
18.2 mm
26.4 mm
3.5 mm
M18
Zinc-plated
Steel
7980
0.66 KG
Each
20.2 mm
30.6 mm
4.5 mm
M20
Zinc-plated
Steel
7980
1.23 KG
Each
20.2 mm
30.6 mm
4.5 mm
M20
Zinc-plated
Steel
7980
1.23 KG