Product Details:
Color: Black
Material: Carbon Steel
Thread Type: Full Thread
Package Content: 380 Pcs x Hex Socket Cap Screw Bolt Nut Washer Assortment Kit + Tools:
20pcs x M4-0.7x5mm, 20pcs x M4-0.7x6mm, 20pcs x M4-0.7x8mm, 20pcs x M4-0.7x10mm, 20pcs x M4-0.7x12mm, 15pcs x M4-0.7x16mm, 15pcs x M4-0.7x20mm, 50pcs x M4-0.7 Hex Nuts, 100pcs x M4 Flat Washers, 100pcs x M4 Spring Washers.

Material - Constructed with carbon steel material with blackening treatment, these hex socket cap screws bolts nuts assortment kit of stronger durability, have a bright appearance, are not easier to deform or corrode, and have a long service life than other surface finishes.

Feature - The button socket head cap screw is designed with an inner hex drive style and pan head, providing a higher torque and clamping force, as well as offering a wider bearing surface and high tensile strength.

Application - Good replacement parts and construction fasteners for use in most machinery industries, automotive industries, electronics industries, manufacturing applications, die fixtures, and clamps, household appliances, DIY projects, marine and bicycle, etc.

Notice - The screw bolt kits are packed in a durable box, to avoid making a mess, the box is clearly labeled so that you can quickly identify the size you need by the label.