Smooth Bore Ring Gages

.4070 CL XX MASTER PLAIN BORE RING GAGE .4063 +.0007 13/32 10.338 mm .407 - JP0021AU1

.3435 CLASS X MASTER PLAIN BORE RING GAGE .3438 -.0003 UNDERSIZE 11/32 8.725 mm - JP0038AU1

DUNDICK

.3108 CLASS X MASTER PLAIN BORE RING GAGE .3125 -.0017 UNDERSIZE 5/16 8 mm - JP0037AU1

WESTPORT

.2790 CLASS X MASTER PLAIN BORE RING GAGE .2813 -.0023 UNDERSIZE 9/32 7 mm .279 - JP0026AU1

1.6055 MASTER PLAIN BORE RING GAGE 1.6094 -.0039 OVERSIZE 1 39/64 40.780 mm - MB4236AP1

3.055 MASTER PLAIN BORE RING GAGE 3.0625 -.0075 3 1/16 77.597 mm 3.0550 - MB4234AP1

2.2555 MASTER PLAIN BORE RING GAGE 2.2500 +.0055 OVERSIZE 2 1/4 57.290 mm - MB4193AP1

2.0628 MASTER PLAIN BORE RING GAGE 2.0625 +.0003 OVERSIZE 2 1/16 52.395 mm - MB4189AP1

FEDERAL

39.4820 CL XX MASTER PLAIN BORE RING GAGE 39.500 -.018 39.5 mm 1.5544 39.482 - MB4190AP1

2.545 MASTER PLAIN BORE RING GAGE 2.5469 -.0019 2 35/64 64.643 mm 2.5450 - MB4191AP1

FEDERAL

2.12500 CLASS XX MASTER PLAIN BORE RING GAGE ONSIZE 2 1/8 54 mm 2.1250 - MB4188AP1

2.1130 MASTER PLAIN BORE RING GAGE 2.1094 +.0036 2 7/64 53.670 mm 2.113 - MB4186AP1