- Includes boring head, 3MT shank, and 9-piece boring bar set
- 2″ diameter boring head holds 1/2″ shank boring bars
- The boring head offsets up to 5/8″, dial is graduated in 0.001″
- Minimum bore diameter is 5/16″
- Maximum bore depth is 3″
The carbide tipped 9-piece boring bar set includes three different length boring bars each for minimum bores of 5/16″, 7/16″, and 9/16″. The bore depth ranges from 3/4″ to 3″. The heat treated, alloy steel shanks are held to 0.000 to -0.0005″ from the nominal diameter.
The drawbar thread is 3/8″-16.
Note: If you have a Grizzly G8689or Micro-Mark 82573 mini mills with the 3 Morse taper spindle, that has a metric threaded drawbar, you will need our 3/8″-16 threaded drawbar P/N 1637 to use this boring head.
