DRILLCO DRL216N132C - 1/2"" - 13 Nitro Max Spiral Flute Tap"Brand Drillco Product SKU 216N132C Category Taps Size Fractional Material Cobalt Finish Coating Black Oxide Pack Quantity 1 Size 1 2 Overall Length "3 3 8""" Flute Length Description Nitro Max ANSI ANSI taps are produced with a reduced neck to allow for longer reach improved coolant flow and easier chip evacuation. Manufactured from M35 Cobalt (HSS E) with a high vanadium content these taps offer higher heat resistance and red hardness over