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, 30 NMTB Beaver 3/8″ $30.00 Read more Arbor, Horizontal Milling, 50 NMTB, 1-1/2″ x 5/16″ Keyway $95.00 Read more Holder, End Mill, Brown & Sharpe #7, 3/16″ $20.00 Read more Holder, End Mill, Jarno $14.95 Read more