Smooth Bore Ring Gages

SHEFFIELD

.3750 CLASS XX MASTER PLAIN BORE RING GAGE ONSIZE 3/8 9.525 mm .375 - AR1913AG1

.3145 MASTER PLAIN BORE RING GAGE .3125 +.0020 OVERSIZE 5/16 8 mm - AR1910AG1

.6865 MASTER PLAIN BORE RING GAGE .6875 -.0010 UNDERSIZE 11/16 17.437 mm - AR1923AG1

.8205 MASTER PLAIN BORE RING GAGE .8125 +.0080 OVERSIZE 13/16 21 mm - AR1912AG1

.3112 MASTER PLAIN BORE RING GAGE .3125 -.0013 UNDERSIZE 5/16 8 mm - AR1908AG1

.373 CL X MASTER PLAIN BORE RING GAGE .3750 -.0020 UNDERSIZE 3/8 9.474 mm .3730 - MB2567AJ1

.121 CLASS X MASTER PLAIN BORE RING GAGE .1250 -.0040 UNDERSIZE 1/8 3 mm .1210 - MB2577AJ1

.376 CL X MASTER PLAIN BORE RING GAGE .3750 +.0010 OVERSIZE 3/8 9.550 mm .3760 - MB2566AJ1

.374 CL XX MASTER PLAIN BORE RING GAGE .3750 -.0010 UNDERSIZE 3/8 9.500 mm .3740 - MB2563AJ1

.311 CLASS X MASTER PLAIN BORE RING GAGE .3125 -.0015 UNDERSIZE 5/16 8 mm .3110 - MB2564AJ1

BROWN & SHARPE

.8125 MASTER PLAIN BORE RING GAGE ONSIZE 13/16 20.638 mm - MB2555AG1

.874 CLASS X MASTER PLAIN BORE RING GAGE .8750 -.0010 UNDERSIZE 7/8 22 mm .8740 - MB2553AG1