R8 Shank to 3MT Sleeve Fits Bridgeport MT3 Morse Taper Drill Chuck 6" Long
R8 shank to Morse Taper #3 (3MT). Long End Is The R8 Shank, Short End Is 3MT. Works Great On A Bridgeport Or Any Other Machine Tool With That Takes R8 Tooling. Thread: 7/16-20. Hardened and Ground.