Product Details: Color: Black Material: Carbon Steel Finish: Black Oxide Package Content: 520pcs x Button Hex Socket Cap Screw Bolt and Nut Assortment Kit Button Hex Socket Cap Screw: 10pcs x M3-0.5x8mm, 10pcs x M3-0.5x12mm, 10pcs x M3-0.5x16mm, 10pcs x M3-0.5x20mm, 45pcs x Flat Washers, 45pcs x Hex Nut, 10pcs x M4-0.7x8mm, 10pcs x M4-0.7x12mm, 10pcs x M4-0.7x16mm, 10pcs x M4-0.7x20mm, 45pcs x Flat Washers, 45pcs x Hex Nut, 10pcs x M5-0.8x8mm, 10pcs x M5-0.8x12mm, 10pcs x M5-0.8x16mm, 10pcs x M5-0.8x20mm, 45pcs x Flat Washers, 45pcs x Hex Nut, 10pcs x M6-1x8mm, 10pcs x M6-1x12mm, 10pcs x M6-1x16mm, 10pcs x M6-1x20mm, 45pcs x Flat Washers, 45pcs x Hex Nut, 3pcs x S2 Wrench, 1pcs x S3 Wrench, 1pcs x S4 Wrench, 1pcs x Tweezers Material - Constructed with carbon steel material with black oxide treatment, these button 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 cars, bicycles, communication equipment, and ship assembly.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.
