Special OD Master

These Masters are maintained within close tolerance and high degree of accuracy of form variation by using proper manufacturing techniques and skill. Master setting Disc are ideal for setting bore measuring instruments .

Category: I.D/O.D masters

Features:

Blank Design as per I.S. 4349-1987.
Material : En31 (SAE52100)
O.D. Masters above diameter 100mm & up to 250mm will be with total length of 30 mm.
Certificate of Calibration will be provided with each gauge Traceable to National Standard of Lengths.
Calibrated at 20 degree centigrade Under Standard Room Conditions.
Subzero treated @-80 degree centigrade for Dimensional Stability.
Actual Size will be etched on Master Ring.