3/4" X 1 1/8" Step Boring Bar

3/4" X 1 1/8" Step Boring Bar


3/4" X 1 1/8" Step Boring Bar..........Boring Head Not Included!

Perfect for 3" boring head.

3/4" Shank - Minimum Bore of 1.16 

Heat treated with black oxide coating.

Comes as shown with one TPGB-321 carbide insert, and one standard 4-40 Torx screw.

Can use any similar insert.



All tools made here in So. Oregon

Inserts are quality imports.

Extra inserts available on "CARBIDE INSERTS" page.

  • Return & Refund Policy

    Returns of unused items accepted within 30 days.

    Customer pays return shipping.

    Contact for RMA

  • Shipping Info

    Flat rate shipping rates:

    U.S. $7.00 

    International rates on request.

© 2018 Mesa Tool

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