LATHE ALIGNMENT TEST BAR MT-3 Lathe Alignment MT3 Test Bar  :Heat treated to a hardness of 58 +/- 2 HRC. :Mounting Shank size - MT 3 (MORSE TAPER No. 3) :Re-align the tail-stock on your lathe to eliminate that slight taper  when turning over a long distance. :Manufactured from AISI - EN42 SPRING STEEL GRADE alloy steel.  :Useful for alignment test between centers as well as in Morse taper  spindles :Accuracy within 1 micron. Max.run-out :0.0001". Overall length :  335 mm (13.3/16") ------------------------------------------------------------------------------------------------------------------------------ Other Sizes Test Bars Also on SALE  We made customized tools as per requirements. Thx