0S1618 CATERPILLAR 0S-1618: 5/16-18" Threaded External Hexagonal Bolt | Cat® External Hexagonal Bolt of 25.40mm Shaft Length

Bolt Length (mm): 25.4
Bolt Type: Hex Head
Coating: Zinc Phosphate + Oil offers corrosion protection up to the point of assembly (recommend painting for external applications). Salt spray resistance of 72 hours to red rust. Coating color - dark grey to black.
Grip Length (mm): 3.17
Material: Steel
Thread: Coarse
Material Description: SAE J429 Grade 8. Head Marking - 6 radial lines (150 ksi Ultimate Tensile Strength)
Head Height (mm): 5.953125
Thread Size (mm): .312
Hole Thread Pitch: 18
Drive (mm): 12.7
Finish: Phosphate and Oil Coated
Grade: 8
Locking Feature: 0
Overall Length (mm): 25.4