Button Head Socket Cap Screws - Bolts Nuts Set Washer Assortment Kit - For Road Bicycle - 50 / M4-0.7X20/25/30/35/40Mm

Material - Constructed with 304 stainless steel material with whitewashed 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.