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.
Drive (mm): 24
Material: STEEL
Grip Length (mm): 176
Thread: Coarse
Material Description: Cat Class 11.9. Head Marking - 11.9 (1170 MPa Ultimate Tensile Strength)