Home / Milling / Mill Tooling / Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI View cart “Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8” 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 Universal Kwik Switch II 300 Series Tool Holders End Mill Holders MT2, End Mill Holders, 1″ $39.00 Add to cart Collet Chuck, 30 NMTB, Collets TG-100 Erickson $199.00 Add to cart Boring Head, Straight Shank 1″, Diameter 2-1/2″, Erickson Tenthset $85.00 Add to cart Quick Change Set,R-8, Enco Item # L5708 $295.00 Add to cart