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- DIN ANSI BS GB carriage/mushroom head square neck bolt
- Material: steel, Low Carbon Steel
- Grades: 4.8/8.8
- Dia: 5mm~20mm,1/4″~3/4″
- Length: 8mm~200mm,5/16″~8″
- Packing: bulk, small box, polybag and tool kits
- Finishes: plated, nickel-plated, copper-plated, silvered, dacrotized, various ruspect, phosphated (black), mechanically galvanized and CR3
- Customized specifications are welcome



