15X FASTER THAN HAND TAPPING - VersaDrive Spiral Flute Taps are designed for tapping deep & blind holes Can also be adapted for use in a reversible Magnet Drill, or even used with any standard Hand Tap wrench.
Specially Hardened, High Grade Tool Steel with Ground Flutes for high accuracy & long life; GoldMax low-friction Titanium coating to stop heat burn out; High Strength, Non-slip Shank Design.