Drill America 1-1/4ft-7 Carbon Steel Tap Set (Set of 3) - Re-threading

In this review the Drill America 1-1/4'-7 Carbon Steel Tap Set (DWT Series) is evaluated for mechanics and hobbyists who need a straightforward hand tap set for re-threading and light threading tasks. The bottom line: this set is best for repairing damaged threads and working mild steel or aluminum by hand, offering a simple three-tap progression that helps reach full threads in most through and blind holes. The reviewer found it useful for re-threading seized fasteners and general shop work where a basic, uncoated carbon steel tap set is acceptable.

Key Features

• Three-style set: Includes taper, plug and bottoming taps so the user can start, follow and finish a thread without needing multiple purchases.
• Carbon steel construction: The material cuts well in mild steels and aluminum and delivers a sharp initial edge for hand tapping and light power tapping.
• Straight flute design: Straight flutes collect chips in the flute and are well suited to shallow cuts and typical shop re-threading tasks.
• Uncoated finish: The lack of coating means predictable performance with common lubricants and simpler sharpening or rehabbing in the workshop.
• Re-threading focus: Specifically intended to restore damaged or jammed threads, making it a practical repair kit for maintenance work.

Who It's For

The Drill America DWT set is aimed at home mechanics, machine-shop hobbyists and maintenance technicians who frequently need to re-thread seized or damaged fasteners and work with mild steels or aluminum. It is suited for hand-use or low-speed power tapping where a basic, economical tool set is desirable.

Those who should look elsewhere include high-production shops cutting hardened alloys, or users who need coated taps for extended tool life and fewer breakages under repeated heavy use. For very fine tolerances or hardened materials, a higher-grade, coated carbide or HSS tap would be a better match.

Pros & Cons

Pros

• Good value for a three-piece hand tap progression that covers starting to bottoming threads.
• Sharp initial cutting edges work well on aluminum and mild steel in most re-threading jobs.
• Straight flute geometry makes chip evacuation predictable in typical shop conditions.

Cons

• Carbon steel construction and uncoated finish mean less durability than premium coated taps; some users report breakage under repeated aggressive use.

Specifications

Brand	Drill America
Series	DWT Series
Size	1-1/4'-7
Material	Carbon steel
Set contains	1 taper tap, 1 plug tap, 1 bottoming tap
Flute style	Straight flute
Coating	Uncoated

Our Verdict

The Drill America 1-1/4'-7 Carbon Steel Tap Set is a practical, budget-friendly option for repairing and re-threading jobs in mild steel and aluminum. It is especially good for hand tapping and occasional shop repairs, offering solid value where extreme durability is not required.

Frequently Asked Questions

Can these taps be used in aluminum?
Yes. Customers report the set works well for aluminum, where the sharp carbon steel cutting edges perform effectively.

Are the taps coated for longer life?
No. These are uncoated carbon steel taps, which keeps cost down but reduces durability compared with coated or higher-grade materials.

Does the set include bottoming capability?
Yes. The set contains a taper, a plug and a bottoming tap so you can generate threads to the bottom of holes.