309020-0020 Versadrive Spiral Flute Tap 5/16 x 18 UNC

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.

Features:

• 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