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Item: M7 M7.5 M8 M8.5 M9 M9.5 M10 Dowel Pin / Bearing needle / Roller / Parallel Pin
- Material: Bearing Steel
- System of Measurement: Metric
- Treatment Process: Quenching Treatment
- Hardness: 58 - 62 degrees
- Tolerance: diameter tolerance minus 0-0.01 mm, length tolerance minus 0.2-0.35 mm