Smooth Bore Ring Gages

2.4377 MASTER PLAIN BORE RING GAGE 2.4375 +.0002 OVERSIZE 2 7/16 62 mm SETTING - BR3269BT3

2.3655 CLASS XX MASTER PLAIN BORE RING GAGE 2.3750 -.0095 UNDERSIZE 2 3/8 60 mm - BR3263BT3

.4357 CLASS XX MASTER PLAIN BORE RING GAGE .4375 -.0018 UNDERSIZE 7/16 11 mm - JC1616BT3

.9373 CLASS X MASTER PLAIN BORE RING GAGE .9375 -.0002 UNDERSIZE 15/16 24 mm - JC1618BT3

.3755 CLASS X MASTER PLAIN BORE RING GAGE .3750 +.0005 OVERSIZE 3/8 9.538 mm - JC1619BT3

.7320 CL XX MASTER PLAIN BORE RING GAGE .7344 -.0024 47/64 18.593 mm .732 CHECK - JC1620BT3

.3773 CLASS XX MASTER PLAIN BORE RING GAGE .3750 +.0023 OVERSIZE 3/8 9.583 mm - JC1611BT3

.7490 CLASS XX MASTER PLAIN BORE RING GAGE .7500 -.0010 UNDERSIZE 3/4 19 mm .749 - JC1603BT3

.7180 CL XX MASTER PLAIN BORE RING GAGE .7188 -.0008 23/32 18.237 mm .718 CHECK - JC1605BT3

.5940 CL XX MASTER PLAIN BORE RING GAGE .5938 +.0002 OVERSIZE 19/32 15 mm .594 - JC1606BT3

.6245 CLASS X MASTER PLAIN BORE RING GAGE .6250 -.0005 UNDERSIZE 5/8 16 mm CHECK - JC1608BT3

.6875 CLASS Z MASTER PLAIN BORE RING GAGE ONSIZE 11/16 17.463 mm SETTING CHECK - JC1607BT3