Package Include: M12 x 120mm Hex bolt (DIN933) + M12 Hex Nuts(DIN934) + M12 Big Washers + M12 Lock Washers
Hex Drive Size: 19mm; Package: 4 Sets
They are commonly used for machinery and construction projects because of its sturdy structure. It's very suitable for applications with relatively large locking forces. Hex bolts can be used alone with a pre-threaded hole.
Material: 304 Stainless Steel 18-8 that you will probably see in your pans and cookery tools. It's used for a wide variety of home and commercial applications. Because of its slightly higher strength and wear resistance than type 316, it's also used for nuts, bolts, screws and other fasteners.