Thread Size (dia x pitch) (mm): M20X2.5

Bolt Length (mm): 330

Head Height (mm): 13

Bolt Type: Hex Head

Coating: Zinc Flake

Drive (mm): 30

Material: STEEL

Grip Length (mm): 265

Thread: Coarse

Material Description: ISO 898-1 Class 10.9. Head Marking - 10.9 (1040 MPa Ultimate Tensile Strength)

Head Width - 5 (mm): 30

Head Height - 4 (mm): 13

Grip Length - 2 (mm): 265

Finish Notes: Caterpillar is changing from Zinc Plating to a Zinc Flake finish for many bolts. The new coating improves corrosion protection to 720 hours. Until stock of the current plating is depleted, you may receive either finish due to the exhaust process.

Finish: Zinc Flake

Total Bolt Length - 3 (mm): 330

Color Notes: Bolts sizes M6 through M12 with the new Zinc Flake finish will be black. Bolts sizes M14 through M36 with the new Zinc Flake finish will be gray. Until stock of the current finish is depleted, you may receive either the current or new bolt color.