2205/2507/321 stainless steel flat washer flat washer DIN125 screw GB97.1 flat washer

1. It has high strength, good impact toughness and good overall and local resistance to stress corrosion
2. The yield strength can reach 400-550MPa, which is twice that of ordinary austenitic stainless steel
3. The surface is smooth, concentric and circular
4. Large bearing surface with bolt