... ), 304L, 316L, B8, B8M etc. Our mostly products are stainless steel standard fasteners, you can choose mainly materials between 200 ... , hex bolts & hex nuts, heavy nuts, nylon lock nuts, flat washers, spring washers etc. Other products include stainless steel round bars, angle ... construction, machine, chemical produce, traffic product, and environment engineering. stainless steel stud rod with nuts