Smooth Bore Ring Gages

.3159 CLASS X MASTER PLAIN BORE RING GAGE .3125 +.0034 OVERSIZE 5/16 8 mm CHECK - JC2894AC4

.3125 CLASS X MASTER PLAIN BORE RING GAGE ONSIZE 5/16 8 mm INSPECTION CHECK - JC2901AC4

.5270 CL XX MASTER PLAIN BORE RING GAGE .5313 -.0043 17/32 13.386 mm .527 CHECK - JC2898AC4

.4950 CL X MASTER PLAIN BORE RING GAGE .5000 -.0050 UNDERSIZE 1/2 12.573 mm .495 - JC2895AC4

.1563 CARBIDE MASTER PLAIN BORE RING GAGE ONSIZE 5/32 4 mm INSPECTION CHECK - JC2891AC4

.5605 CLASS XX MASTER PLAIN BORE RING GAGE .5625 -.0020 UNDERSIZE 9/16 14.237 mm - JC2893AC4

.4974 CLASS X MASTER PLAIN BORE RING GAGE .5000 -.0026 UNDERSIZE 1/2 12.634 mm - JC2890AC4

.1994 CL X CARBIDE MASTER PLAIN BORE RING GAGE .2031 -.0037 OVERSIZE 13/64 5 mm - JC2889AC4

MITUTOYO .65005 MASTER PLAIN BORE RING GAGE .6563 -.0062 21/32 16.511 mm CHECK - JC2892AC4

.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