Round Flat Washer
Flat washer used between hex nut and hex head bolt, machine screw, rod or other fixing components.
Flat washer material: Steel or stailess steel
Size: Diameter from 3mm to 80mm
Standard:
- DIN 125A
- DIN 7980
- JIS B 1256 – 1978
- GB/T 97.1 – 1985
- ISO 7089 – 2000
- ASME/ANSI B 18.22.1-1981
- BS 3410 – 1961
- UNI 1734
- IFI 542 – 1982