Easy to use, Can be applied using 5/16” socket for 10 and 12 gauge or appropriate driver bit in a power tool. Drill point will self drill into metal up to 6.0mm. Hex flanged head provides optimum holding power on flat surfaces and eliminates pull through. Zinc gold plated for internal use. APPLICATION: For structural steel framing, panelling, brackets work benches END USER: Builders, Metal Workers and DIYers FEATURES: Cold forged and roll formed, hex flanged head, fine thread with drill point, made from hardened wire and passsivated electroplated zinc finish