Hex socket head cap screws are precision threaded fasteners with an internal socket drive (also called allen hex drive) for installing in areas with limited side clearance. The internal hex drive requires an Allen wrench. They are known for their efficient application performance and endurance widely used for different kinds of furnitures like cribs, bunk beds, tables, cots, cabinets, chairs and so on. They are also ideal for joining wood, boards, workbench, and kitchen worktops.Package Included:25pcs Barrel Nuts5pcs M6 x 40mm Hex Socket Cap Bolt5pcs M6 x 50mm Hex Socket Cap Bolt5pcs M6 x 60mm Hex Socket Cap Bolt5pcs M6 x 70mm Hex Socket Cap Bolt5pcs M6 x 80mm Hex Socket Cap BoltSpecification: Color: GoldenDrive Type: Inner HexagonHead Style: Flat / Round HeadMaterial: High hardness carbon steel, galvanized