Best Spiral Point Taps for Through-Hole Tapping (2026)
We prioritized taps with spiral point (gun) geometry, HSS construction, common imperial sizes, user ratings, and overall value across single and multi-pack offerings
This roundup covers spiral point taps suited for through-hole tapping in metalworking and maintenance tasks, focusing on 2-flute high-speed steel (HSS) designs and common imperial thread sizes. Picks were chosen based on tooling compatibility, material and flute design (spiral point), user ratings, and overall value across multi-pack and individual options
Top Picks
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1
1/4"-20 HSS 2 Flute Spiral Point Tap (Pack of 12) DWT
HSS hand taps for cutting or re-threading threads in through holes and bottom-of-hole work. Useful for hand tapping and CNC tapping; uncoated substrate. One customer notes good functionality for redoing pistol grip threads
- high speed steel hand taps
- three start styles
- uncoated substrate
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2
12-24 HSS 2 Flute Spiral Point Tap (Pack of 12), DWT Series
High speed steel hand taps for creating or repairing threads; versatile for hand or machine tapping. Users note good cutting performance on aluminum and functional threading, with some reports of breakage during use
- high speed steel hand taps
- pack of 12
- three tap styles available
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3
DWTGT6X1/2-13 pulley gun tap, 1/2-13 x 6
Tap shoots chips ahead of cutting action to reduce loading and clogging. Suitable for through or blind holes and threading ductile materials like copper alloys and brass. One customer noted successful repair of worn lug nuts
- chip-breaking action
- through/blind hole compatibility
- ductile-material suitability