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1/2″ X 7/8″ Step Boring Bar w/TPGB

1/2″ X 7/8″ Step Boring Bar w/TPGB


Perfect for boring head1/2″ Shank – Minimum Bore of .925Heat 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.


MADE IN USA..... Boring Head Not Included!


Product Video

  • 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.

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