• 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