China Hex Head Nuts manufacturer PipesTec supplies Hex Head Nuts, made of ASTM A194 2H, featured with black surface finished, ANSI/ASME B18.2.1 standard.
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.