Hss straight flute tap details
Triumph ThunderTap Straight Flute Hand Taps HSS Bronze Oxide 1-1/2-11-1/2 NPT Taper (071257)
Triumph 071257 ThunderTap Straight Flute Hand Taps HSS Bronze Oxide 1-1/2-11-1/2 NPT Taper are precision tools engineered for cutting or restoring internal threads in metal, plastic, and other materials. Made from durable high-speed steel (HSS) with a bronze oxide finish, these straight flute hand taps provide smooth cutting, excellent wear resistance, and reliable performance in both workshop and industrial applications. The taper tap design enables gradual threading, making it ideal for starting threads in blind holes while ensuring accurate thread alignment.
High-speed steel (HSS) construction for long-lasting durability.
Bronze oxide finish reduces friction and enhances corrosion resistance.
Straight flute design allows efficient chip removal and smooth threading.
Taper tap configuration ensures gradual threading for precise thread starts.
Precision-ground threads for consistent and accurate internal thread cutting.
Compatible with standard hand tap wrenches for easy operation.
Efficiently cuts or restores internal threads in bolts, nuts, and fittings.
Minimizes tool wear and reduces the risk of tap breakage.
Maintains precise thread alignment for strong and reliable connections.
Durable design withstands repeated use in industrial and workshop environments.
Ensures smooth and fast threading, saving time and effort.
Technical Specifications:
Tap Type: Straight Flute Hand Tap
Material: High-Speed Steel (HSS)
Size: 1-1/2-11-1/2 NPT
Tap Style: Taper
Finish: Bronze Oxide
Application: Cutting or restoring internal threads in metal and plastic materials; ideal for starting threads in blind holes
Product identification
- Brand: Triumph
- Model / MPN: 71257
Straight flute hand tap: see the listed specifications for this model.





