Smooth Bore Ring Gages

.5130 CLASS X MASTER PLAIN BORE RING GAGE .5156 -.0026 OVERSIZE 33/64 13 mm .513 - JC2850AC4

.3930 CL X MASTER PLAIN BORE RING GAGE .3906 +.0024 UNDERSIZE 25/64 10 mm .393 - JC2849AC4

.6693 MASTER PLAIN BORE RING GAGE .6719 -.0026 OVERSIZE 43/64 17 mm INSPECTION - JC2857AC4

.4376 MASTER PLAIN BORE RING GAGE .4375 +.0001 OVERSIZE 7/16 11 mm CHECK - JC2848AC4

.4550 CL XX MASTER PLAIN BORE RING GAGE .4531 +.0019 29/64 11.557 mm .455 CHECK - JC2856AC4

.4365 CLASS X MASTER PLAIN BORE RING GAGE .4375 -.0010 UNDERSIZE 7/16 11 mm - JC2847AC4

.15768 MASTER PLAIN BORE RING GAGE .1563 +.0014 OVERSIZE 5/32 4 mm INSPECTION - JC2855AC4

.1907 MASTER PLAIN BORE RING GAGE .1875 +.0032 OVERSIZE 3/16 5 mm INSPECTION - JC2846AC4

.1256 CLASS XX MASTER PLAIN BORE RING GAGE .1250 +.0006 OVERSIZE 1/8 3 mm CHECK - JC2845AC4

.0470 CLASS XX MASTER PLAIN BORE RING GAGE .0469 +.0001 UNDERSIZE 3/64 1 mm .047 - JC2861AC4

.5003 MASTER PLAIN BORE RING GAGE .5000 +.0003 OVERSIZE 1/2 12.708 mm INSPECTION - JC2860AC4

.4994 CL X CARBIDE MASTER PLAIN BORE RING GAGE .5000 -.0006 1/2 12.685 mm CHECK - JC2859AC4