Description

Wirox coating provides a high level of surface hardness to give greater resistance to damage whilst possessing anti-corrosion resistance greater than yellow zinc. Flange Head with Reinforced Neck Single Thread with Ground Serrations for Fast Accurate Driving Zinc-Plated Blue-Passivated Hardened Steel Construction WIROX Coated Partially Threaded No Splitting When Close to Edge Deeper Recess for Stronger Bit Hold Screw Point Takes Immediate Hold