ComdoxTM up calibre unsullied Steel Hex Socket Button Head Bolts : * Screws Type : Hex Socket Button Head screw * Size : M3 M4 M5 -LRB- Include M3 M4 M5 Nuts -RRB- * Material : 304 unsullied Steel * Package Quantity : 500Pcs ? . Designed with 304 unsullied steel material, the 304 unsullied steel material strength and offers white corrosion resistance in many an environments. . for use in confined areas where the head needs to be rush or below the surface. . component, developed and construction fasteners ? . widely in the home and office appliance, communication equipments, ship assembly and opposite machinery industry Package included : M3 * 8 -------------------------- 30Pcs M3 * 12 ------------------------ 30Pcs M3 * 16 ------------------------ 30Pcs M3 * 20 ------------------------ 30Pcs M3 Nuts ----------------------- 120Pcs M4 * 8 -------------------------- 20Pcs M4 * 12 ------------------------ 20Pcs M4 * 16 ------------------------ 20Pcs M4 * 20 ------------------------ 20Pcs M4 Nuts ----------------------- 80Pcs M5 * 8 -------------------------- 15Pcs M5 * 12 ------------------------ 15Pcs M5 * 16 ------------------------ 10Pcs M5 * 20 ------------------------ 10Pcs M5 Nuts ----------------------- 50Pcs Package Quantity : 440pcs. Hex Socket and nuts -LRB- + -2 % -RRB-. : Products contain little parts, please do not let children play, to prevent accidental swallowedComdox is a adult company of fasteners. We steel, untainted steel and brass screws, self tapping screws, self drilling screws, solid wall screws, hex nuts, hex bolts, rivets, anchors, nails, plain washers, spring washers, couplings and fixings. `` timbre products with very free-enterprise prices and competent services '' is the that we are working for and the identify to our success.