"T" on bottom 1-7/32" x 2" x 3/8 thick 4. Bottom of holder to center line (boring bar)= 1-1/4 5.
1/4 tool bit square hole on each end... Straight (90') & angle (45') 6. The item "ARMSTRONG LATHE BORING BAR & HOLDER 3/8-1/2-3/4 SIZES EC SUPER DEAL" is in sale since Friday, December 30, 2016. This item is in the category "Business & Industrial\Manufacturing & Metalworking\Metalworking Tooling\Equipment Specific Tooling\Lathe". The seller is "jimscleve" and is located in Cleveland, Ohio. This item can be shipped to United States.