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| 名称/Name | 规格型号/Specifications | 碳钢、合金钢机械性能 Carbon Steel、Alloy Steel Mechanical Performance |
不锈钢机械性能 Stainless Steel Mechanical Performance |
表面处理/Surface Finishing | 材质/Material |
| Square head bolt | M10 | 3.6 | A1 | Chrome | Mild Steel |
| M12 | 4.6 | A2 | Clean Zinc | Mid Steel | |
| （M14） | 4.8 | A3 | Yellow Zinc | Alloy Steel | |
| M16 | 5.6 | A4 | Black Phosphide | Nylon | |
| M18 | 5.8 | A5 | Dacromet | ABS | |
| M20 | 6.8 | Geomet | Aluminium Alloy | ||
| （M22） | 8.8 | Black Oxide | SUS | ||
| M24 | 9.8 | Plain And Oil | |||
| （M27） | 10.9 | Nickel Plated | |||
| M30 | 12.9 | E-coating | |||
| M36 | Vacuum | ||||
| M42 | |||||
| M48 |
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