• Item: M4 M5 M6 Dowel Pin / Bearing needle / Roller / Parallel Pin
• Pin Diameter: 4mm / 5mm / 6mm Option
• Length: 4mm-120mm option
  
• 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