Smooth Bore Ring Gages

.1780 CL X MASTER PLAIN BORE RING GAGE .1875 -.0095 UNDERSIZE 3/16 4.521 mm .178 - AS1451RD

.2993 CLASS X MASTER PLAIN BORE RING GAGE .2969 +.0024 UNDERSIZE 19/64 7.602 mm - AS1446RD

.2998 CLASS X MASTER PLAIN BORE RING GAGE .2969 +.0029 UNDERSIZE 19/64 7.615 mm - AS1450RD

.1873 MASTER PLAIN BORE RING GAGE .1875 -.0002 UNDERSIZE 3/16 4.757 mm - AS1460RD

.1780 CL X MASTER PLAIN BORE RING GAGE .1875 -.0095 UNDERSIZE 3/16 4.521 mm .178 - AS1445RD

.3670 MASTER PLAIN BORE RING GAGE .3750 -.0080 UNDERSIZE 3/8 9.322 mm .367 - AS1449RD

.1760 CL X MASTER PLAIN BORE RING GAGE .1875 -.0115 UNDERSIZE 3/16 4.470 mm .176 - AS1453RD

.3070 MASTER PLAIN BORE RING GAGE .3125 -.0055 UNDERSIZE 5/16 7.798 mm .307 - AS1444RD

.1780 CL X MASTER PLAIN BORE RING GAGE .1875 -.0095 UNDERSIZE 3/16 4.521 mm .178 - AS1448RD

.1863 CLASS X MASTER PLAIN BORE RING GAGE .1875 -.0012 UNDERSIZE 3/16 4.732 mm - AS1458RD

LOCKE

.1873 MASTER PLAIN BORE RING GAGE .1875 -.0002 UNDERSIZE 3/16 4.757 mm - AS1443RD

MITUTOYO .35005 MASTER PLAIN BORE RING GAGE .3438 +.0062 9 mm 177-179 - AS1389RD