Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - Metric - M36 x 3

The Baer Heli Coil Tap is the dedicated bottoming tap you reach for impeccable thread repairs and reinforcements with metric precision. Built to endure demanding workshop use, this STI bottoming tap is designed to work in harmony with Heli-Coil wire thread inserts, delivering strong, true threads that restore original strength and reliability in damaged components.

What makes this tap stand out

• Bottoming geometry for full-depth threads: reach the full depth of blind holes and ensure consistent engagement when installing wire thread inserts.
• Metric accuracy M36 x 3: precise thread form that matches standard inserts for reliable, repeatable repairs.
• STI-compatible design: engineered to integrate smoothly into established tapping and insertion workflows, reducing setup time and missed starts.
• Durable construction: crafted for longevity in tough materials and high-cycle environments, so one tool handles many jobs.
• Hex shank for secure handling: easy to grip with standard tapping tools, giving you precise control and minimal slippage during use.
• Optimized for thread inserts: when paired with Heli-Coil wire thread inserts, it creates reinforced, vibration-resistant threads that resist pull-out and wear in critical applications.

Ideal applications

This tap is the smart choice for automotive maintenance, machinery repair, and fabrication projects where damaged or stripped threads need restoration with precision. Use it to repair threaded holes in steel, cast iron, and compatible alloys, or to establish robust threads for new insert installations in demanding environments.

How it helps you get better results

• Fewer callbacks thanks to reliable, reinforced threads that stand up to repeated assembly and disassembly.
• Cleaner starts and finished threads due to the bottoming action, which minimizes run-out and ensures accurate alignment for inserts.
• Reduced downtime with a single, purpose-built tool that supports a complete repair workflow—from hole prepping to insert installation.

To maximize performance, pair the Baer Heli Coil Tap with the appropriate Heli-Coil wire thread insert and follow standard cutting oil lubrication and tapping best practices. Align the tap carefully, apply steady pressure, and back off periodically to clear chips for a clean, accurate thread every time.