Smooth Bore Ring Gages

.3890 CL XX MASTER PLAIN BORE RING GAGE .3906 -.0016 OVERSIZE 25/64 10 mm .389 - JC1612BT3

.7515 CLASS Z MASTER PLAIN BORE RING GAGE .7500 +.0015 OVERSIZE 3/4 19 mm CHECK - JC1615BT3

.4390 CLASS XX MASTER PLAIN BORE RING GAGE .4375 +.0015 OVERSIZE 7/16 11 mm .439 - JC1613BT3

6.0070 CL X MASTER PLAIN BORE RING GAGE 6.0000 +.0070 6.0 152.578 mm 6.007 CHECK - DW26560BS3

5.5000 CLASS XX MASTER PLAIN BORE RING GAGE ONSIZE 5 1/2 139.700 mm 5.500 CHECK - DW26557BS3

6.0060 CL X MASTER PLAIN BORE RING GAGE 6.0000 +.0060 6.0 152.552 mm 6.006 CHECK - DW26559BS3

2.0059 CLASS XX MASTER PLAIN BORE RING GAGE 2.0000 +.0059 OVERSIZE 2.0 51 mm - DW26553BS3

.4965 CLASS XX MASTER PLAIN BORE RING GAGE .5000 -.0035 UNDERSIZE 1/2 12.611 mm - DW26548BR3

1.1730 CL X MASTER PLAIN BORE RING GAGE 1.1719 +.0011 1 11/64 29.794 mm 1.173 - DW26546BR3

.4970 CL X MASTER PLAIN BORE RING GAGE .5000 -.0030 UNDERSIZE 1/2 12.624 mm .497 - DW26547BR3

1.2480 CL X MASTER PLAIN BORE RING GAGE 1.2500 -.0020 1 1/4 31.699 mm 1.248 - DW26545BR3

RINGMASTER .3750 MASTER PLAIN BORE RING GAGE ONSIZE 3/8 9.525 mm .375 CHECK - DW26544BR3