Smooth Bore Ring Gages

.4065 MASTER PLAIN BORE RING GAGE .4063 +.0002 OVERSIZE 13/32 10.325 mm CHECK - BT3606AC4

.4998 CARBIDE MASTER PLAIN BORE RING GAGE .5000 -.0002 UNDERSIZE 1/2 12.695 mm - BT3614AC4

1.2595 MASTER PLAIN BORE RING GAGE 1.2500 +.0095 OVERSIZE 1 1/4 32 mm CHECK - BT3613AC4

.5001 MASTER PLAIN BORE RING GAGE .5000 +.0001 OVERSIZE 1/2 12.703 mm CHECK - BT3612AC4

.1572 CLASS XX MASTER PLAIN BORE RING GAGE .1563 +.0009 OVERSIZE 5/32 4 mm CHECK - BT3611AC4

.1574 CLASS XX MASTER PLAIN BORE RING GAGE .1563 +.0011 OVERSIZE 5/32 4 mm CHECK - BT3618AC4

.2420 CLASS X MASTER PLAIN BORE RING GAGE .2500 -.0080 UNDERSIZE 1/4 6 mm .242 - BT3620AC4

.3745 CL XX CARBIDE MASTER PLAIN BORE RING GAGE .3750 -.0005 3/8 9.512 mm CHECK - BT3619AC4

.3110 CLASS X MASTER PLAIN BORE RING GAGE .3125 -.0015 UNDERSIZE 5/16 8 mm .311 - BT3603AC4

.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