Product Name: Self-Tapping Screw Head Style: Flat Head Come with tip type, phillips head. Self tapping screws drill their own holes when they are screwed into materials such as wood, plastic and metal. Widely use in practically every industry. Main Color: Silver Material: Stainless Steel Thread Size: 3 x 9mm/0.12 x 0.35 inch (D*L) Thread Pitch: 1mm/0.04inch Total Length: 12mm/0.47inch Phillip Size: 1.5mm/0.06inch Screw Head Size: 5.5 x 2mm/ 0.21 x 0.08 inch (D*T) Weight: 50g/set Package Content: 200 x Self-Tapping Screw Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.