Smooth Bore Ring Gages

.5010 CL X MASTER PLAIN BORE RING GAGE .5000 +.0010 OVERSIZE 1/2 12.725 mm .501 - ST0071CP2

.6260 CLASS XX MASTER PLAIN BORE RING GAGE .6250 +.0010 OVERSIZE 5/8 16 mm .626 - ST0065CP2

.6260 CLASS X MASTER PLAIN BORE RING GAGE .6250 +.0010 OVERSIZE 5/8 16 mm .626 - ST0064CP2

19.325 CLASS XXX MASTER PLAIN BORE RING GAGE 19.000 +.325 OVERSIZE 19 mm .7608 - ST0063CP2

1.6254 MASTER PLAIN BORE RING GAGE 1.6250 +.0004 OVERSIZE 1 5/8 41.285 mm - ST0054CJ2

.8120 MASTER PLAIN BORE RING GAGE .8125 -.0005 UNDERSIZE 13/16 20.625 mm .812 - ST0062CP2

2.4000 MASTER PLAIN BORE RING GAGE 2.4063 -.0063 UNDERSIZE 2 13/32 61 mm 2.400 - RJ0040BB2

4.9186 MASTER PLAIN BORE RING GAGE 4.9219 -.0033 OVERSIZE 4 59/64 125 mm - RJ0030BB2

1.9061 CL X MASTER PLAIN BORE RING GAGE 1.9063 -.0002 1 29/32 48.415 mm - RJ0035BB2

4.5630 CL X MASTER PLAIN BORE RING GAGE 4.5625 +.0005 4 9/16 116 mm 4.563 - RJ0025BB2

2.39995 MASTER PLAIN BORE RING GAGE 2.4063 -.0063 UNDERSIZE 2 13/32 61 mm - RJ0039BB2

3.1000 CL XX MASTER PLAIN BORE RING GAGE 3.0938 +.0062 3 3/32 78.740 mm 3.100 - RJ0024BB2