... , SUS304, SUS304L, SUS316, SUS316L, SUS321, SUS410, SUS430 2) Specification: hex socket cap screws 3) Production scope:a) Diameter: M4- M45(3 ... bolts, T bolts, fastener, threaded rods,carriage bolts, flange bolts, nuts, L bolts, hexagon sockets, stud bolts, highstrength bolts, U bolts ...