1080Pcs M2 M3 M4 Hex Socket Cap Head Screw Carbon Steel 12.9 Grade Bolt Nut Assortment Kit 4-30mm

Specification: Model: MXCH8;  Screw Drive Type: Hex Socket;  Screw Head Type: Cap Head;  Material: Carbon Steel 12.9 Grade;  Color: Black;  Size: M2 M3 M4;  Box Size (L*W*D): 19.5*13*3.6CM;  Features: - With 4, 6, 8, 10, 12, 14, 16, 18, 20, 30mm lengths for option, choose the appropriate length you need.  - Made of carbon steel, extremely high hardness, makes them good at resisting abrasion and retaining shape. They can withstand significant force before deforming.  - Black appearance, dark color will fit well in different occasions.  - Socket cap screws are commonly used in machine parts, die fixturing, and clamping. The socket head enables driving where there is not sufficient space for wrenches or sockets.  - Widely used for industry, equipment, quadcopter, DIY crafts, home repairing and so on.  Package Included: Type Length Quantity;  M2 Screw 4mm 20Pcs;  M2 Screw 6mm 20Pcs;  M2 Screw 8mm 20Pcs;  M2 Screw 10mm 20Pcs;  M2 Screw 12mm 20Pcs;  M2 Screw 16mm 20Pcs;  M2 Screw 20mm 20