0S1973 CATERPILLAR 0S-1973: 7/8 - 9 UNJC - 2A Thread Hex Head Bolt | Cat® Hex Head Bolt for wheel and brake attachments ensuring secure and reliable fastening in machinery systems

Bolt Length (mm): 50.8
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): 9.53
Material: Steel
Thread: Coarse
Material Description: Head Marking - 7 radial lines (170 ksi Ultimate Tensile Strength)
Head Height (mm): 16.66875
Thread Size (mm): .875
Hole Thread Pitch: 9
Drive (mm): 33.3375
Finish: Phosphate and Oil Coated
Grade: 11.9
Locking Feature: 0
Hardened Notes: High strength bolt
Overall Length (mm): 50.8