Spring washers

DIN 137 A

Use of these spring washers is recommended for locking lightweight parts on smooth material.

 

DIN 137  B
Use of these spring washers is recommended for locking lightweight parts on smooth material where a stronger hold is needed.

Material
spring steel C 60S (C60)
EN 10132 - 1/4 (DIN 17222)

Hardness
HV 430 – 530       HRC  44 – 51

SPRING WASHERS FOR SCREWS AND BOLTS
- self finish  and oiled
Oiled products have a minimum resistance o 8 hours in the salt folg chamber.