Screw, Nut, Bolt manufacturer / supplier in China, offering China Fastener Factory Wholesale Supplier A194 2h Nut 20e Nut/ASTM A193 B7 Stud Bolt and Hex Nut/Heavy Nut/2h Hexagon Nut, M6 M8 M10 M14 45 Degree 90 Degree Metric Grease Fitting, Nipple Grease Hydraulic Carbon Steel Lubricating Grease Nipples 4mm 6mm 8mm 10mm 1/8 Straight and so on.