Home / Milling / Mill Tooling / Arbor, Boring Head, CAT 40, 1-1/2″ 18TPI Arbor, Boring Head, CAT 40, 1-1/2″ 18TPI$30.00 Category: Mill Tooling Description Description Cat 40 Boring Head Arbor, 1-1/2″-18TPI Related products Holder, End Mill, Brown & Sharpe #7, 3/8″ $20.00 Read more Holder, End Mill, 30 NMTB, 5/8″ Beaver $30.00 Read more Holder, Boring Bar, 30 NMTB, 3/4″ Bars $79.00 Read more Arbor, Stub, Straight Shank 1″, 1-5/8″ $49.00 Read more