Washer Type: Flat Washer

Material: HARDENED STEEL,Hardened Steel

Coating: Zinc Phosphate and Oil

Inside Diameter (mm): 17.5

Material Description: Hardened Steel

Outside Diameter (mm): 30

Thickness (mm): 3.5

Fits Bolt Sizes (mm): M16

Inner Diameter (mm): 17.5

Outer Diameter (mm): 30

Thickness - 3 (mm): 3.5

Hardened: Yes

Outside Diameter (OD) - 2 (mm): 30.00

Inside Diameter (ID) - 1 (mm): 17.50

Finish: Phosphate and Oil Coated