Bolt, Nut, Customized Fastener manufacturer / supplier in China, offering Anti-Corrosion Nylok PTFE Coating 1- 8un ASTM A194 2h Heavy Hex Nut, Factory Sale A193 B7 Bolt Blue Coating 1/2 5/8 Unc A194 2h Heavy Hex Nut, Hot Forged Plain Oil M36 M48 B18.2.4.6m A194 2h Heavy Hex Nut and so on.
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