Home / Milling / Mill Tooling / Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI View cart “Boring Head, Straight Shank 1″, Diameter 2-1/2″, Erickson Tenthset” has been added to your cart. Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI$30.00 1 in stock Add to cart Category: Mill Tooling Description Description 30 NMTB Boring Head Arbor, 1-1/2″-18TPI Related products Collet Chuck, 30 NMTB, Collets TG-100 Erickson $199.00 Add to cart Boring Head, No Shank, Diameter 1-3/4″, Erickson Tenthset $25.00 Add to cart Boring Head, R-8, Diameter 2-1/2″, 1/2″ Bars Everede $149.00 Add to cart Collet Chuck, Brown & Sharpe #9, B &S Uses Z Collets $49.00 Add to cart