DRILLCO DRL216N140C - 5/8"" - 11 Nitro Max Spiral Flute Tap"Brand Drillco Product SKU 216N140C Category Taps Size Fractional Material Cobalt Finish Coating Black Oxide Pack Quantity 1 Size 5 8 Overall Length "3 13 16""" 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