Fasteners Screws, Bolts, Tools manufacturer / supplier in China, offering Grade 8 GB6171 M8 (P1.0) Black Hexagon Nut Type 1 - Fine Carbon/Alloy Steel Fastener, GB849 DIN6319c Fastener-Fitting Black Oxide Carton Steel / Alloy Steel Spherical Washer Industrial Supplies, Grade 12 GB6170 M42 Black Hexagon Nut Type 1 - Carbon/Alloy Steel Fastener and so on.
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