1156433 CATERPILLAR 115-6433: M10 ID Steel Flat Washer | Cat® A Hard Washer designed for M10 fastener prevents the fastener from sinking into the material and distributes the load more evenly.

Material: HARDENED STEEL
Washer Type: Flat
Outside Diameter (mm): 48
Inside Diameter (mm): 38
Fits Bolt Sizes (mm): M10
Thickness (mm): 2.05
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): 11
Outer Diameter (mm): 50
Thickness - 3 (mm): 6
Hardened: Yes
Outside Diameter (OD) - 2 (mm): 50
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.
Inside Diameter (ID) - 1 (mm): 11
Finish: Zinc Flake