I.D/O.D Special Type of Masters.

Features:

• Material : OHNS , En 31 Alloy steel.
• Blank Design as per Customer drawing.
• Gauge Accuracy control as close as possible
• Are ground and precision lapped after a heat treatment process which includes subzero stabilization cycle to ensure dimensional stability.
• Calibration under standard room temperature at 20 degree  celsius on carl zeiss,Horizontal Metro scope which is traceable to National Standards.