Quick view Widia SKU: SMT47893 Widia/GTD 3/8-18 NPT 4 Flute HSS Spiral Flute Tap 16285 (LOC3483A) Overall Length: 2.56" Shank Diameter: .5365" Material: Carbide Flutes: 4 MPN: 16285 EDP: 2864545 MSRP: Was: Price Now $29.95 25 In Stock Quantity Add to Your List