Smooth Bore Ring Gages

.3220 CLASS X MASTER PLAIN BORE RING GAGE .3125 +.0095 OVERSIZE 5/16 8 mm .322 - JC2810AC4

.6270 CLASS X MASTER PLAIN BORE RING GAGE .6250 +.0020 OVERSIZE 5/8 16 mm .627 - JC2819AC4

.1783 CL X CARBIDE MASTER PLAIN BORE RING GAGE .1875 -.0092 3/16 4.529 mm CHECK - JC2818AC4

.1894 CL X CARBIDE MASTER PLAIN BORE RING GAGE .1875 +.0019 OVERSIZE 3/16 5 mm - JC2816AC4

.3220 CLASS X MASTER PLAIN BORE RING GAGE .3125 +.0095 OVERSIZE 5/16 8 mm .322 - JC2809AC4

.3132 CL XX CARBIDE MASTER PLAIN BORE RING GAGE .3125 +.0007 OVERSIZE 5/16 8 mm - JC2804AC4

.6036 CLASS X MASTER PLAIN BORE RING GAGE .5938 +.0098 OVERSIZE 19/32 15.331 mm - JC2817AC4

.1740 CL XX MASTER PLAIN BORE RING GAGE .1719 +.0021 11/64 4.420 mm .174 CHECK - JC2815AC4

.5503 CLASS XX MASTER PLAIN BORE RING GAGE .5469 +.0034 UNDERSIZE 35/64 14 mm - JC2808AC4

.6590 CL XX MASTER PLAIN BORE RING GAGE .6563 +.0027 21/32 16.739 mm .659 CHECK - JC2803AC4

.1860 CL X MASTER PLAIN BORE RING GAGE .1875 -.0015 UNDERSIZE 3/16 4.724 mm .186 - JC2813AC4

.6650 CLASS X MASTER PLAIN BORE RING GAGE .6563 +.0087 OVERSIZE 21/32 17 mm .665 - JC2807AC4