5Pcs 5/16-18 X 4" Hex Head Bolts, 304 Stainless Steel Hex Head Screw, Black

Description: Material - Hexagonal bolts made of 304 stainless steel with black oxidation surface treatment not only have corrosion resistance, high strength and durability, but also have good wear resistance, low friction coefficient and beautiful appearance. Design - The stainless steel bolts have a hexagonal head shape and provide multiple contact points, making installation and removal more convenient and stable. The coarse thread can better resist shear and impact forces, reducing the risk of thread breakage. The full thread provides the bolt with a larger contact area and a stronger connection force. Easy to use - Hexagon head bolts are easy to install and remove, and you can choose the appropriate tool to operate according to the actual situation, such as an open-end wrench, plum wrench, socket wrench, etc. Widely Applicable - Hexagonal bolts are widely used in many industries such as construction, machinery manufacturing, automobiles, ships, aerospace, electronics, and home appliances due to their simple design and reliable performance. Specification : Material: 304 Stainless Steel Head thickness: 0.21" Head width across flats: 0.494" Screw length: 4" Thread diameter: 5/16" Surface treatment: Black Oxide Packaging: 5Pcs x Hex Head Bolts