RPI SHOP Nut & Bolt Set 40 Pcs Set, M5 x 40mm Hex Head Screws, Hex Head bolt With Nut & Washer, Zinc-Coated (10 Pcs Each)  (Carbon Steel)

Hex bolts, also called hexagon screw head bolts, hex cap bolts, hex-cap screws, or machine bolts, are a very common choice when it comes to construction and repair. Hexagon screw head bolts come in a large variety of sizes and diameters. The best way to choose the right hex bolt is to find the bolt material that best suits your need ,Hex Nut are internally threaded and have a hex drive for nearly all general applications. It is most commonly used nut for wide range applications. Hex Nuts are used in any application with a mating male threaded machine bolt or screw. Can be used with any fastener with a machine screw thread. Hex Nuts are used with compatible sized bolts and washers,Flat washers are ideal for increasing the load bearing surface under a fastener's head by distributing the load through the washer. These washers help to prevent bolts or nuts from pulling through a surface,Split lock washers are made of hardened steel with a bent surface so that the deformation of the washers under stress will prevent bolt loosening.