Smooth Bore Ring Gages

.6252 CLASS XX MASTER PLAIN BORE RING GAGE .6250 +.0002 OVERSIZE 5/8 16 mm CHECK - BT3527AC4

.5140 CL XX MASTER PLAIN BORE RING GAGE .5156 -.0016 OVERSIZE 33/64 13 mm .514 - BT3531AC4

.6230 CLASS X MASTER PLAIN BORE RING GAGE .6250 -.0020 UNDERSIZE 5/8 16 mm .623 - BT3526AC4

.7813 CLASS X MASTER PLAIN BORE RING GAGE ONSIZE 25/32 20 mm INSPECTION CHECK - BT3525AC4

.5500 CL XX MASTER PLAIN BORE RING GAGE .5469 +.0031 UNDERSIZE 35/64 14 mm .550 - BT3530AC4

.5950 MASTER PLAIN BORE RING GAGE .5938 +.0012 OVERSIZE 19/32 15 mm .595 CHECK - BT3524AC4

.62525 MASTER PLAIN BORE RING GAGE .6250 +.0002 OVERSIZE 5/8 16 mm INSPECTION - BT3529AC4

.5300 CL Y MASTER PLAIN BORE RING GAGE .5313 -.0013 17/32 13.462 mm .530 CHECK - BT3523AC4

.5239 CLASS X MASTER PLAIN BORE RING GAGE .5313 -.0074 UNDERSIZE 17/32 13.307 mm - BT3522AC4

THE SHEFFIELD CORP.

.7195 CLASS X MASTER PLAIN BORE RING GAGE .7188 +.0007 OVERSIZE 23/32 18.275 mm - BT3521AC4

.2400 CLASS X MASTER PLAIN BORE RING GAGE .2500 -.0100 UNDERSIZE 1/4 6 mm .240 - AJ0519AC4

.3540 CL XX MASTER PLAIN BORE RING GAGE .3438 +.0102 11/32 9 mm .354 CHECK - AJ0518AC4