Smooth Bore Ring Gages

.6215 CLASS XX MASTER PLAIN BORE RING GAGE .6250 -.0035 UNDERSIZE 5/8 15.786 mm - JC2966BR3

.4670 CL X MASTER PLAIN BORE RING GAGE .4688 -.0018 UNDERSIZE 15/32 12 mm .467 - JC2973BR3

.4990 CL X MASTER PLAIN BORE RING GAGE .5000 -.0010 UNDERSIZE 1/2 12.675 mm .499 - JC2965BR3

.5875 CLASS XX MASTER PLAIN BORE RING GAGE .5938 -.0063 UNDERSIZE 19/32 15 mm - JC2964BR3

.5855 CLASS XX MASTER PLAIN BORE RING GAGE .5938 -.0083 UNDERSIZE 19/32 15 mm - JC2963BR3

SHEFFIELD

.5896 CLASS XX MASTER PLAIN BORE RING GAGE .5938 -.0042 UNDERSIZE 19/32 15 mm - JC2962BR3

.4190 MASTER PLAIN BORE RING GAGE .4219 -.0029 OVERSIZE 27/64 10.643 mm .419 - JC2961BR3

.3175 CL XX CARBIDE MASTER PLAIN BORE RING GAGE .3125 +.0050 OVERSIZE 5/16 8 mm - JC2960BR3

.3145 CL XXX CARBIDE MASTER PLAIN BORE RING GAGE .3125 +.0020 OVERSIZE 5/16 8 mm - JC2959BR3

1.74635 CL X MASTER PLAIN BORE RING GAGE 1.7500 -.0036 UNDERSIZE 1 3/4 44.357 mm - JC2953BR3

.3150 CL XX CARBIDE MASTER PLAIN BORE RING GAGE .3125 +.0025 5/16 8 mm .315 - JC2958BR3

.2585 CLASS X MASTER PLAIN BORE RING GAGE .2500 +.0085 OVERSIZE 1/4 6.566 mm - JC2956BR3