Home / Milling / Mill Tooling / Boring Heads / Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI$30.00 Category: Boring Heads Description Description 30 NMTB Boring Head Arbor, 1-1/2″-18TPI Related products Boring Head Set, 3″, R-8 (NEW) Import, Item # GE65NBH-203S $158.95 Read more Boring Head, R-8 shank, Diameter 3″, Import $99.00 Read more Boring Head, #742, Moore $225.00 Read more Boring Head, CAT 40, 3″ Diameter, Criterion, Item # L62340 $249.00 Read more