Standard has been withdrawn without replacement
DIN 137 A | steel | spring steel | bright | Cr(VI) - free
Note: Norm has been withdrawn without replacement | see alternatives under washers with locking functions
Note: Norm has been withdrawn without replacement | see alternatives under washers with locking functions
Cr(VI) Note:
Cr(VI)-free
Form:
Round
Risk hydrogen embrittlement:
Material:
Spring steel
Surface:
bright
Product type:
Resilient washer, spring washers
Product group:
Washers
RoHS conformal:
Material:
Spring steel
Fastening and assembly technology: Products and services
Böllhoff bulletin: Changeover to Cr6+-free protective zinc layers for fasteners
The Manual of fastening Technology: 8th edition
