Product Details:• Color: Black• Material: Carbon Steel• Screw Size: M4-0.7x8(Thread Dia x Pitch x Length)• Head Diameter: 7.22mm/0.28"• Head Height: 4mm/0.16"• Hex Width: 3mm• Package Content: 50pcs x Hex Socket Head Cap ScrewsMaterial - The hex socket cap screws bolts are made of carbon steel, it has high hardness, good wear resistance, strong and durable. It has good corrosion resistance and can be used for a long time.Feature - These hex socket head machine screws are coarse threads, full thread, and very smooth, and accurate. Uniform force, located in the center of the head with no offset, not easy to slip.Application - Suitable for indoor and outdoor, such as cars, bicycles, communication equipment, and ship assemblyNotice - This socket head cap screws bolts are packed in a box.
eBay