China Hexagon Nut, Hex Head Nut Manufacturer PipesTec Provides ASTM A194 2H Hex Head Nuts, Heavy Type Fasteners, Zinc Coated, 1 1/8 Inch, ANSI B18.2.2.
China stud bolt manufacturer PipesTec supplies ANSI B18.1.1 PTFE Coated Stud Bolts, Xylan Coated Stud Bolts made from ASTM A193 B7.