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 (in): 0.18
Material: Steel
Thread: Coarse
Material Description: ISO 898-1 Class 10.9. Head Marking – 10.9 (1040 MPa Ultimate Tensile Strength)