| 材質と仕上げ | S45C、端面焼入れ（硬度35HRC～）・研磨、、三価クロメート処理 |
|---|
| 型式 | M | L | H±0.01 | L1 | B |
C (約) |
|---|---|---|---|---|---|---|
| SPM-M3 | M3 | 7 | 2 | 5 | 6 | 6.9 |
| SPM-M4 | M4 | 8.8 | 2.8 | 6 | 7 | 8.1 |
| SPM-M5 | M5 | 10.5 | 3.5 | 7 | 8 | 9.2 |
| SPM-M6 | M6 | 12 | 4 | 8 | 10 | 11.5 |
| SPM-M8 | M8 | 15 | 5 | 10 | 13 | 15 |
| SPM-M10 | M10 | 20 | 6 | 14 | 17 | 19.6 |
| SPM-M12 | M12 | 23 | 7 | 16 | 19 | 21.9 |
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