The Baer Heli Coil Tap is your go-to solution for restoring and reinforcing delicate or damaged internal threads with precision and confidence. Designed for metric applications, this Bottoming Tap (STI) works hand-in-hand with wire thread inserts to deliver durable, vibration-resistant threads that stand up to demanding use in automotive, machinery, and equipment maintenance.

• Precise metric threading — M26 x 1.5 taps engineered to create clean, accurate threads that mate perfectly with standard HeliCoil wire inserts.
• Bottoming tap design — reaches the full thread depth in blind holes, ensuring consistent engagement and reliable pull-out resistance when the insert is installed.
• Durable construction — built for repeated use in metalworking environments, delivering long-lasting performance and repeatable results.
• Versatile repair tool — ideal for repairing stripped or damaged threads in aluminum, steel, and other common metals, extending the life of critical components.
• Streamlined workflow — a single, high-quality tap that pairs with standard inserts to simplify repairs, minimize downtime, and restore original thread standards.

Who is this for? Machinists, automotive technicians, maintenance pros, and serious DIYers who value durable repairs, consistent thread quality, and professional-grade results. If you frequently repair threaded housings, engine components, or structural parts that rely on threaded fasteners, this tap delivers the precision and reliability you need.

Why choose a dedicated Heli Coil tap like this over improvised solutions? It delivers controlled chip evacuation, accurate thread depth, and compatibility with wire thread inserts, which translates to stronger, longer-lasting repairs with fewer reworks. Pair it with appropriate cutting oil and tapping guides, and you’ll experience smoother tapping, less walk-off, and cleaner threads that accept inserts evenly.