Timco 5.5 x 50mm Self Drilling Wing Tip Screw Zinc Plated Box Of 200

The Timco 5.5 x 50mm self-drilling wing tip screws are specifically designed to attach wood to metal (max 5mm). The self-tapping thread has wings that are designed to ream out the timber, so the screw can achieve max RPM without burning out. Features: Salt spray tested to 1,000 hours Wings break off when hitting the metal to permit the thread to self tap Self-tapping screw with a hexagonal head Zinc-plated steel for corrosion protection in indoor applications Flange head to distribute the load