Smooth Bore Ring Gages

.6251 CLASS XX MASTER PLAIN BORE RING GAGE .6250 +.0001 OVERSIZE 5/8 16 mm CHECK - BT3551AC4

.6289 CLASS X MASTER PLAIN BORE RING GAGE .6250 +.0039 OVERSIZE 5/8 16 mm CHECK - BT3550AC4

.5160 CL X MASTER PLAIN BORE RING GAGE .5156 +.0004 UNDERSIZE 33/64 13 mm .516 - BT3560AC4

.7650 CL X MASTER PLAIN BORE RING GAGE .7656 -.0006 49/64 19.431 mm .765 CHECK - BT3559AC4

.7900 CL XX MASTER PLAIN BORE RING GAGE .7813 +.0087 OVERSIZE 25/32 20 mm .790 - BT3558AC4

.7310 CL X MASTER PLAIN BORE RING GAGE .7344 -.0034 47/64 18.567 mm .731 CHECK - BT3548AC4

.5503 CLASS XX MASTER PLAIN BORE RING GAGE .5469 +.0034 UNDERSIZE 35/64 14 mm - BT3557AC4

.5906 MASTER PLAIN BORE RING GAGE .5938 -.0032 UNDERSIZE 19/32 15 mm INSPECTION - BT3547AC4

.5420 CL XX MASTER PLAIN BORE RING GAGE .5313 +.0107 17/32 13.767 mm .542 CHECK - BT3556AC4

.6254 MASTER PLAIN BORE RING GAGE .6250 +.0004 OVERSIZE 5/8 16 mm INSPECTION - BT3546AC4

.7700 CL XX MASTER PLAIN BORE RING GAGE .7813 -.0113 25/32 19.558 mm .770 CHECK - BT3555AC4

.7195 CLASS X MASTER PLAIN BORE RING GAGE .7188 +.0007 OVERSIZE 23/32 18.275 mm - BT3545AC4