【Type】: Thread Cup Point Set Screw, all screw threads have clean reduce edges and no sharp edges. Cup-shaped tip cuts into surface, preventing ingredient from loosening, Design provides nice vibration resistance. can be pushed nonetheless additional to supply even more torque and gripping force. 【HIGH QUALITY】The 304 Stainless Steel materials elements power and provides nice corrosion resistance in bad environment. 【Wide Use】:Suitable for Door handle, faucet, gentle fixture, knobs, locks and toys, ,plumber and different small upkeep round the shop, storage or home; and all kinds of precision machinery, classified instruments, electronic products, family appliances, communication products. 【Package Included】M3*3mm--20pcsM3*4mm--20pcsM3*6mm--20pcsM4*4mm--20pcsM4*6mm--20pcsM5*5mm--20pcsM5*8mm--20pcsM6*6mm--20pcsM6*10mm--20pcsM8*8mm--20pcs