... (tri-drive), Torx, Philips Slotted recessHead :Pan HeadShanghai Detroit Precision Fasteners Co., Ltd, located in Shanghai, always keeping pace with ... main products including bolts, nuts, screws,washers, anchors, rivets, pins and special fasteners made of low and medium carbon steel ... of our fasteners.“Whenever you need fasteners, contact us ” Screw / Machine Screw / Slotted Pan Head Screws Din85