0S1599 CATERPILLAR 0S-1599: 1/2-20  Thread 69.85mm Long Bolt | Cat® Hex Head Bolt (Joint Group, Drive Train)

Bolt Length (mm): 69.85
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): 38.1
Material: Steel
Thread: Fine
Material Description: SAE J429 Grade 8. Head Marking - 6 radial lines (150 ksi Ultimate Tensile Strength)
Head Height (mm): 9.525
Thread Size (mm): .500
Hole Thread Pitch: 20
Drive (mm): 19.05
Finish: Phosphate and Oil Coated
Grade: 8
Locking Feature: 0
Overall Length (mm): 69.85