1.Phillips pan head bolts screw lock flat washers, (not including head).2.The cross recessed pan head mechanical screw is made of carbon steel cold forging. The surface is blackened and the corrosion resistance is better.3.The fastener is mainly used for the installation and connection of furniture, steel frame, mechanical equipment, electrical appliances, etc., and has strong connection strength. Specifications: Threaded Size: Threaded Length: Threaded Pitch: Drive Type: Phillips Head Style: Pan Head Material: Main Color Package Quantity: