Hss straight flute tap details
Triumph ThunderTap Straight Flute Hand Taps HSS Bronze Oxide 7/8-14 NF Bottoming (071117)
Triumph 071117 ThunderTap Straight Flute Hand Taps HSS Bronze Oxide 7/8-14 NF Bottoming is a precision hand tap designed for cutting or restoring National Fine (NF) threads at the bottom of blind holes. Made from high-speed steel (HSS) with a bronze oxide finish, this bottoming tap provides long-lasting durability, smooth performance, and professional-grade accuracy for industrial and maintenance applications.
High-speed steel (HSS) construction for superior strength and wear resistance.
Straight flute design ensures efficient chip removal and precise threading.
Bronze oxide coating improves corrosion resistance and reduces friction during use.
Bottoming tap style allows full thread depth in blind holes.
Exclusive MAX LIFE™ cold curing glue ensures fresh grains and longer tool life.
Cyclone Technology with high-tech ceramic blend enhances performance and durability.
Exclusive flap geometry for consistent and precise cutting.
Patented Turbofan™ cooling keeps the workpiece cooler for extended tool life.
Fast material removal with high consistency and efficiency.
Comfortable vibration-free operation for improved user experience.
Fe-free formulation reduces contamination risk and maintains quality.
Specifically designed for 7/8-14 NF threads to maintain precision and consistency.
Efficiently cuts or restores National Fine threads in blind holes and components.
Durable construction extends tool life and minimizes wear.
Ensures accurate alignment and consistent threading results.
Ideal for professional, industrial, and maintenance applications.
Provides reliable performance with reduced vibration and user fatigue.
Technical Specifications:
Type: Straight Flute Hand Tap
Material: High-Speed Steel (HSS)
Thread Size: 7/8-14 NF
Coating/Finish: Bronze Oxide
Tap Style: Bottoming Tap
Applications: Cutting or restoring NF threads in blind holes on fasteners and components
Product identification
- Brand: Triumph
- Model / MPN: 71117
Straight flute hand tap: see the listed specifications for this model.





