DRILLCO DRL21PS136F - 9/16-18 Nitro Super High Performance Spiral Point TapBrand Drillco Product SKU 21PS136F Category Taps Size Fractional Material High Speed Steel Finish Coating Bright Pack Quantity 1 Size 9 16 Overall Length 3 19 32 Flute Length Description These taps are designed for machine tapping in a wide rane of material groups including difficult to machine materials such as stainless steel. The Nitro multi application tap improves thread quality and aids in chip evacuation eliminating bird nesting. They are