Smooth Bore Ring Gages

.4800 CLASS X MASTER PLAIN BORE RING GAGE .4688 +.0112 OVERSIZE 15/32 12 mm .480 - BT3602AC4

1.2285 CL Y MASTER PLAIN BORE RING GAGE 1.2188 +.0097 OVERSIZE 1 7/32 31.204 mm - BT3601AC4

.3030 CL X MASTER PLAIN BORE RING GAGE .3125 -.0095 UNDERSIZE 5/16 7.696 mm .303 - BT3609AC4

.3370 CL XX MASTER PLAIN BORE RING GAGE .3438 -.0068 11/32 8.560 mm .337 CHECK - BT3617AC4

.1469 CARBIDE MASTER PLAIN BORE RING GAGE .1563 -.0094 UNDERSIZE 5/32 3.731 mm - BT3608AC4

.3300 CL X MASTER PLAIN BORE RING GAGE .3281 +.0019 21/64 8.382 mm .330 CHECK - BT3616AC4

.2493 MASTER PLAIN BORE RING GAGE .2500 -.0007 UNDERSIZE 1/4 6.332 mm CHECK - BT3607AC4

.3126 MASTER PLAIN BORE RING GAGE .3125 +.0001 OVERSIZE 5/16 8 mm INSPECTION - AJ0557AC4

.2530 CL XX MASTER PLAIN BORE RING GAGE .2500 +.0030 OVERSIZE 1/4 6.426 mm .253 - AJ0556AC4

.3800 CL X MASTER PLAIN BORE RING GAGE .3750 +.0050 OVERSIZE 3/8 9.652 mm .380 - AJ0553AC4

.7295 CLASS X MASTER PLAIN BORE RING GAGE .7188 +.0107 OVERSIZE 23/32 18.529 mm - AJ0552AC4

.1253 CLASS X MASTER PLAIN BORE RING GAGE .1250 +.0003 OVERSIZE 1/8 3 mm CHECK - AJ0551AC4