Hex Socket Cap Screw,Flange Head Bolt, Mix Size M1.6-M4 Black Grade12.9 Steel Allen Hexagon Hex Socket Cap Head Screw Bolt Nut Washer Set Assortment Kit(Color:Set B 650pcs) (Color : Set D 2100pcs, S

Items DescriptionMaterial：grade12.9 steelMaterial：Alloy SteelHigh quality material,durable.Smooth and flat,stable structure,easy to install.Clear threads,no burrs,anti-slip design.Package includeSet A:total 400pcsscrew200pcs + nut200pcsSet B:total 650pcsscrew 650pcsSet C:total1140pcs + 4pcs hex key(free)screw 380pcs + nut 380pcs + washer 380pcs + hex key 4pcsSet D:total 2100pcs + 4pcs hex key(free)screw 700pcs + nut 700pcs + washer 700pcs + hex key 4pcs

• M3 M4M5-M16581 Brass Hex Hexagon Socket Cap Head Screws Bolt
• Material: Brass
• Metric thread diameter:M3(3mm)/ M4(4mm)/M5(5mm)/ M6(6mm)/ M8(8mm)/ M10(16581mm)
• Metric thread pitch:0.5mm(M3)/ 0.7mm(M4)/ 0.8mm(M5)/1(M6)/1.25mm(M8)/1.5mm(M16581)
• MULTIFUNCTIONAL IN DAILY LIFE: screws are widely used at home and office like furniture repair, application repair, homemade and home installation. When you need to repair your door or install your new book shelf, you cannot find a piece of spare screw that will drive you crazy.