Brand:LG
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| TYPE | Description | Material | Quality | Surface |
| 1 | Parallel pins | Stainless steel | A1 | |
| 2 | Parallel pins unhardened, machined | Free-cutting steel | 9 SMn Pb 28 K | plain |
| 3 | Parallel pins hardened, ground hardened, ground | Steel hardened | plain | |
| 4 | Parallel pins hardened, ground hardened, ground | Steel hardened | plain | |
| 5 | Parallel pins unhardened | Free-cutting steel | plain | |
| 6 | Parallel pins with internal thread hardened, ground hardened, ground | Steel hardened | plain |
Standard:British standards (BS), China national standards (GB), the USA standards (ANSI), Japan standards (JIS), Germany standards (DIN)
