HHIP #40 NMTB X 5/16″ END MILL HOLDER (3900-1701)

#40 NMTB X 5/16″ End Mill Holder ~ For milling machines with #40 standard taper spindles. ~ Hardened and precision ground. ~ Accepts single and double end mills. ~ Drawbar end is 5/8″-11. ~ 5/16″ bore. For milling machines with #40 standard taper spindles. Hardened and precision ground. Accepts single and double end mills. Drawbar end is 5/8″-11. 5/16″ bore.