M4 M6 M8 內螺紋 六角鍵 套筒螺帽

深圳市金邦五金電子有限公司 main products include motorcycle handlebars, collars, synchronous wheels, 304 316 Nylon Locking Hex Flange Nut,pulleys, knobs, horn nails, heat sinks, M4 M6 M8 Female Screw Allen Key Sleeve Barrel Nut ,Carbon Steel Surface Plain Square Weld Nut,anti-theft screws, Wholesales Countersunk Head HEX socket Screws and Bolts,anti-theft nuts, non-standard screws, non-standard nuts, and customized hardware parts,Contact information: 電子郵件：jazz@jbsy-china.com 電話:+86 189 2643 8760，廠家直銷量大優惠。歡迎蒞臨指導與合作！