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