... Head Chipboard Screw 1.Material: C1008 2.Surface treatment: zinc plated,Cr3+Cr6+Zinc 3.Size:Various 4.Packing:bulk Pozi Flat Head ... Chipboard Screw Product Feature:1. Standard: GB, DIN,ANSI, BS, JIS2 ... ’s need: America, Europe, Asia, and so on. Pozi Flat Head Chipboard Screw