Imperial 70264 High Speed Steel Taper Tap, 1/2"-20 Paint Buckets working time is about 2

working time is about 2 hours on a full charge and low mode

"Drylok" Masonry Waterproofer Paint

Adhesion Strength: Low Strength

Dry seal taper threads

With manual cut-off

Imperial 70264 High Speed Steel Taper Tap, 1/2"-20 Paint Buckets working time is about 2Highlights: Material: High Speed Steel Number of Flutes: 4 SAE Fractional Size: 1 2" 20 Overall Length: 3. 3750" Pitch Diameter Limits: H3 Shank Type: Straight w square Square Length: 0. 4375" Square Size: 0. 2750" System of Measurement: Fractional Tap Style: Taper Thread Length: 1. 6563" Taper Taps have 8 to 10 threads chamfered for easy thread starting in tough materials High speed tungsten steel taps out perform ordinary taps for production tapping