Smooth Bore Ring Gages

.4371 CLASS X MASTER PLAIN BORE RING GAGE .4375 -.0004 UNDERSIZE 7/16 11 mm - JC2888AC4

.6551 MASTER PLAIN BORE RING GAGE .6563 -.0012 UNDERSIZE 21/32 16.640 mm CHECK - JC2887AC4

.6270 MASTER PLAIN BORE RING GAGE .6250 +.0020 OVERSIZE 5/8 16 mm .627 CHECK - JC2886AC4

.7478 CLASS XX MASTER PLAIN BORE RING GAGE .7500 -.0022 UNDERSIZE 3/4 19 mm - JC2885AC4

.1873 CARBIDE MASTER PLAIN BORE RING GAGE .1875 -.0002 UNDERSIZE 3/16 4.757 mm - JC2884AC4

.18505 CLASS X MASTER PLAIN BORE RING GAGE .1875 -.0025 UNDERSIZE 3/16 4.700 mm - JC2883AC4

RITE-O

.1863 CL XX CARBIDE MASTER PLAIN BORE RING GAGE .1875 -.0012 3/16 4.732 mm CHECK - JC2882AC4

.8850 CL XX MASTER PLAIN BORE RING GAGE .8750 +.0100 OVERSIZE 7/8 22.479 mm .885 - BT3667AC4

1.8950 CL X MASTER PLAIN BORE RING GAGE 1.9063 -.0113 1 29/32 48 mm 1.895 CHECK - BT3664AC4

1.1400 CL X MASTER PLAIN BORE RING GAGE 1.1406 -.0006 1 9/64 29 mm 1.140 CHECK - BT3677AC4

1.2597 MASTER PLAIN BORE RING GAGE 1.2500 +.0097 OVERSIZE 1 1/4 32 mm CHECK - BT3666AC4

.8870 CL XX MASTER PLAIN BORE RING GAGE .8906 -.0036 57/64 22.530 mm .887 CHECK - BT3673AC4