Washer

Finish Notes: Caterpillar is changing from Zinc Plating to a Zinc Flake finish for many washers. The new coating improves corrosion protection to 720 hours. Until stock of the current finish is depleted, you may receive either finish due to the exhaust process.
Outside Diameter (OD) - 2 (mm): 30
Inside Diameter (mm): 13.5
Outside Diameter (mm): 30
Inside Diameter (ID) - 1 (mm): 13.5
Thickness - 3 (mm): 4
Finish: Zinc Flake
Hardened: Yes
Material: HARDENED STEEL
Washer Type: FLAT WASHER
Fits Bolt Sizes (mm): M12
Material Description: Hardened Steel
Coating: Zinc flake offers medium to high corrosion protection and repeatable assembly performance via built in lubrication. Salt spray resistance of 720 hours to red rust. Coating color - black (M12 and smaller), grey (larger than M12).
Inner Diameter (mm): 13.5
Outer Diameter (mm): 30
Thickness (mm): 4