Home / Milling / Mill Tooling / Arbor, Stub, 40 NMTB, 1″ x 1/4″ Key View cart “Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8” has been added to your cart. Arbor, Stub, 40 NMTB, 1″ x 1/4″ Key$95.00 1 in stock Add to cart Category: Mill Tooling Description Description 40 NMTB 1″ Stub Arbor, 1/4″ Key, 3″ Long Related products Boring Head, R-8, Bridgeport, Diameter 3″, 5/8″ Bars Item # L61043A $149.00 Add to cart Universal Kwik Switch II 300 Series Tool Holders End Mill Holders MT2, End Mill Holders, 1″ $39.00 Add to cart Collet Chuck, 30 Taper w/ Collet 1/4”, 3/8, 1/2, 5/8, 3/4, 1” by 1/8ths $80.00 Add to cart Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI (A) $25.00 Add to cart