Stainless Steel Fastener, Grado sa Materyal: 304, 304l, 316, 316TI, 327, 347L, 3107L, 3107L, S31254, AL6XN ECT. ASME B18.2.1 Hex Bolts ASME B18.2.2 Hex Nuts ASME B18.22.1, Stud Bolt, Hex Bolt, Hex Bolt with partial thread, Hex Bolt with full thread, Threaded Rod, U-Bolt, Hex Socket Cap Screw, Hex Nut, Flat Washer, Spring Washer./^ - Zhengzhou Huitong Pipeline Equipment Co., Ltd.