China Zinc Plated/Galvanized Carriage Bolts/Mushroom Head Square Neck Carraige Bolts (Grade 2 Grade5), Find details about China Hardware, Carriage Bolt from Zinc Plated/Galvanized Carriage Bolts/Mushroom Head Square Neck Carraige Bolts (Grade 2 Grade5)
SYSTEM | SIZE | LENGTH | GRADE | FINISH | SPECIFICATION |
METRIC | M5-M20 | 10-300mm | 4.8,6.8,8.8 | PLAIN BLACK ZP, YZP HDG GALVANIZED DACROMET Customized | |
INCH | 1/4"-3/4" | 5/16"-12" | SAE J429- Gr.2,5 |