Boring Head Set, 3MT

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 G8689 or 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. Reviews There are no reviews yet. Be the first to review “Boring Head Set, 3MT” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.