【8 Different Sizes】: 60pcs M3*10mm; 60pcs M3*12mm; 50pcs M3.5*16mm; 30pcs M4*10mm; 12mm. 【High Quality Material】: These Phillips head screws plates are made of high quality carbon steel, rust-proof and wear-resistant. wear-resistant, non-slip, easy to clean. install and durable. 【High Quality Design 【Sharp Thread】 Our self-drilling screws have a smooth thread surface, transparent threads and no burrs. Self-tapping screws flat heads have good fastening properties when mounting on bolts, wood to wood, ceilings, etc., and are not easy to slip during installation. p> 【Easy to Use】 【Usage】 This screw is a self-drilling screw and can be drilled directly during use. With the 210-piece screw package, you always have enough screws. 【Wide application】These self-drilling screws are suitable for wood, furniture, household appliances, toys, etc. electronics, fixed outdoor objects, computers, etc. other electronic devices, small household appliances, etc.