Smooth Bore Ring Gages

1.74635 CL XX MASTER PLAIN BORE RING GAGE 1.7500 -.0036 1 3/4 44.357 mm CHECK - BT3808AL4

.1250 MASTER PLAIN BORE RING GAGE ONSIZE 1/8 3 mm .125 INSPECTION CALIBRATION - BT3773AC4

.6254 MASTER PLAIN BORE RING GAGE .6250 +.0004 OVERSIZE 5/8 16 mm INSPECTION - BT3771AC4

.1245 MASTER PLAIN BORE RING GAGE .1250 -.0005 UNDERSIZE 1/8 3 mm INSPECTION - BT3767AC4

.2495 MASTER PLAIN BORE RING GAGE .2500 -.0005 UNDERSIZE 1/4 6.337 mm CHECK - BT3762AC4

1.74635 CL X MASTER PLAIN BORE RING GAGE 1.7500 -.0036 UNDERSIZE 1 3/4 44.357 mm - BT3813AL4

.1257 MASTER PLAIN BORE RING GAGE .1250 +.0007 OVERSIZE 1/8 3 mm INSPECTION - BT3770AC4

THE PIPE MACHINERY CO.

.3125 CLASS X MASTER PLAIN BORE RING GAGE ONSIZE 5/16 8 mm INSPECTION CHECK - BT3761AC4

4.2492 MASTER PLAIN BORE RING GAGE 4.2500 -.0008 UNDERSIZE 4 1/4 108 mm CHECK - JC3037AP1

2.7495 MASTER PLAIN BORE RING GAGE 2.7500 -.0005 UNDERSIZE 2 3/4 70 mm CHECK - JC3036AP1

2.1238 CLASS XX MASTER PLAIN BORE RING GAGE 2.1250 -.0012 UNDERSIZE 2 1/8 54 mm - JC2988BR3

1.7490 MASTER PLAIN BORE RING GAGE 1.7500 -.0010 UNDERSIZE 1 3/4 44.425 mm 1.749 - JC2987BR3