Drill America DWTSMT23X1.5 m23 x 1.5 High Speed Steel Plug Tap

In this review the Drill America DWTSMT23X1.5 plug tap is evaluated for machinists and hobbyists who need a reliable tool for cutting or repairing threads, especially in thru holes. The bottom line: it is a sharp, well machined high speed steel hand tap that cuts clean threads in softer metals like aluminum and works under light power or by hand, offering good value for a single-piece tap when a quick replacement or a one-off job is needed.

Key Features

• Plug style design: Optimized for thru holes so it starts and forms threads quickly in straight applications without needing a starter taper.
• High Speed Steel construction: Provides a balance of toughness and sharpness for hand use and light machine tapping while maintaining cutting edge quality.
• Uncoated finish: The raw substrate gives versatile performance across common materials and avoids coating issues in interrupted cuts.
• Single-piece pack: Supplied as one plug tap, making it easy to replace an individual worn or damaged tap without buying a full set.
• Suitable for re-threading: Can be used to restore damaged or jammed threads as well as to cut new threads in repair work.

Who It's For

The DWTSMT23X1.5 plug tap is aimed at workshop users who need a dependable hand tap for general machine work, CNC tapping support, or field repairs, particularly on cast aluminum steering racks and similar parts where customers report good cutting performance. It is best for those who already have tap wrenches and occasionally need to replace a single tap rather than purchase a full set.

Users who regularly tap hard steels, require extended tool life under heavy load, or need an entire taper/plug/bottoming kit for progressive threading should consider a matched set or different grades/coatings designed for heavy production work.

Pros & Cons

Pros

• Sharp cutting edge and good initial cut quality, especially in aluminum and mild steel.
• High Speed Steel offers versatility for both hand tapping and light machine use.
• Uncoated tool avoids compromise with certain materials and keeps cost low for a single replacement tap.

Cons

• Some customers report durability issues and occasional breakage under heavier use, so it may not be ideal for high-volume or hard-material tapping.

Specifications

Brand	Drill America
Series	DWT High Speed Steel hand taps
Style	Plug tap (generally for thru holes)
Thread size	m23 x 1.5
Quantity	Pack of 1
Finish	Uncoated high speed steel

Our Verdict

The Drill America DWTSMT23X1.5 plug tap is a good-value, sharp high speed steel tap for hobbyists and shops doing occasional tapping or repair work in aluminum and mild steels. It is best purchased when a single replacement tap is needed, but users who need long tool life under heavy or repeated loads should consider a more robust grade or a full set for progressive threading.

Frequently Asked Questions

Is this tap suitable for aluminum?
Yes, customers report clean cuts and good performance on cast aluminum components.

Can it be used in a drill press or CNC?
It is designed for hand use and light power tapping; for heavy CNC or production work choose taps rated for that duty.

Does the tap come coated?
No, this is an uncoated high speed steel tap intended for general-purpose use.