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Spinning machinery general parts
Hex. Soc. HD H.T. Bolt
| Specification | Thead Nominal (M) | Nominal Length (mm) | Strength Grade Surface Treatment | Surface Treatment | Hexagonal Length Across Flats |
| Customized 8.8, 10.9, 12.9 grade internal and external hexagonal bolts | Customizable | Customizable | 8.8 | Oxidation blackening | Customizable |
| Customized extra large internal and external hexagonal bolts | Non-standard | Non-standard | 8.8 | Oxidation blackening | Non-standard |
| M6*16-150 | M6 | National standard | 8.8 | Oxidation blackening | National standard |
| M8*20-200 | M8 | National standard | 8.8 | Oxidation blackening | National standard |
| M10*20-200 | M10 | National standard | 8.8 | Oxidation blackening | National standard |
| M12*20-200 | M12 | National standard | 8.8 | Oxidation blackening | National standard |
| M14*30-300 | M14 | National standard | 8.8 | Oxidation blackening | National standard |
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