Class6.8 Grade 2 Steel Bolts DIN931 DIN933 Grade 8 Hex Bolts
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Carbon steel Class4.8 6.8 8.8 / Grade 2 5 8 Hot Dip Galvanized DIN931 DIN933 Hex bolts Product name Carbon steel Class4.8 6.8 8.8 / Grade 2 5 8 Hot Dip Galvanized DIN931 DIN933 Hex bolts Standard DIN & ANSI & JIS & IFI Thread unc,unf,metric, thread ......
Shanghai New Lasting Co., Ltd.
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Hexagon Cup Head Bolt Long Square Neck Gal With ISO4032 HDG Finish
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...Bolt Long Square Neck Gal With ISO4032 HEX NUTS Carriage Bolt HDG Process flow Cold forging Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ thread rolling ➨make heat treatment(if need) ➨ Finish ➨ Packing Hot forging Cutting material ➨ hot forging ➨ turning ➨ shrink diameter(half thread) ➨thread rolling ➨ make heat treatment(if need) ➨ Finish ➨ Packing Product Grade Class4.8 Class5.8 Class6......
Jiaxing City Qunbang Hardware Co., Ltd
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