- Type of head & size can be customized
- Please offer the drawing or just fill on below blank, then we will submit the best price for you soon


| Position | Description | Size (mm) | |
| A | bolt length | 長度標示 | |
| B | head height | 頭型高度 | |
| C | tooth length | 牙紋標示 | |
| D | head diameter | 頭型直徑 | |
| E | hex depth | 六角深度 | |
| F | hex size | 六角尺寸 | |
| G | screw diameter | 螺絲直徑 | |
| H | type of head | 螺絲頭型 | |














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