... fasteners, high strength fasteners, stainless steel fasteners, and high strength fasteners for steel struc We can produce common fasteners, high strength fasteners, stainless steel fasteners,and high strength fasteners for ... , GB, ASTM, ANSI, JIS, AS, BS, and so onProduct information Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon ...