This socket head screw has a standard head with even force and good fastening effect.These hex bolts have deep threads, a smooth pitch, a clear texture, and a high degree of occlusion.It is made of pure copper and is not easy to rot and dampen. The exterior is smooth and easy to oxidize.These countersunk socket head screws are very hard and do not deform easily.This flat head socket head cap screw can fasten components, industrial and structural fasteners.Item Type: Flat hexagonal screwhead diameter: about 5.78 mmHead thickness: about 2 mmTotal length: about 8mmColour: goldMaterial: brassPackage Contents:50 * screwsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.