Spiral Flute Tap- 1/2"-13 UNC Derails this step drill bit is

this step drill bit is optimized for use with Impact Drivers and Impact Wrenches as well as the latest range of VersaDrive® Premium Magnet Drills

you don't need hoses and compressors

a durable material that provides sharp cutting action and extends the tool’s lifespan

Designed for easy attachment and removal

graduated taper gage

Spiral Flute Tap- 1/2"-13 UNC Derails this step drill bit isDescription VersaDrive Spiral Flute Taps are designed for tapping deep & blind holes. They can also be adapted for use in a reversible Magnet Drill, or even used with any standard Hand Tap wrench. 1 2" 13 UNC, 3 5 32" Long, 27 64" Tap Hole Size