Spiral-Pointed taps, or Machine Taps, were originated to solve the problem of tap breakage in through hole tapping. Ideal for threading a wide variety of ductile materials, copper and copper alloys, brass and non-metallics. HSS Spiral Point Tap, #6-32, 2 Flutes HSS, Spiral Pointed, Size: 632, Limit H3, Number of Flutes 2.