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Baer Heli Coil Tap - Wire Thread Insert - Spiral Flute Tap (STI) - Metric - M10 x 1
| Thread Form | Metric |
| Size | M10 |
| Pitch | 1 |
| Lead | Spiral Flute Tap (STI) |
| Thread Direction | Right Hand |
| Tolerance | 4H |
Learn more about Klarna
Meet the Baer Heli Coil Tap — the dedicated STI tool you need for precise thread repairs and reliable reinforcements. Crafted for durability and engineered to perfection, this spiral flute tap is designed to create clean, accurate threads that perfectly accept Baer/Heli-Coil wire thread inserts in a wide range of materials.
Why this tap stands out
- Precision-engineered for Heli-Coil inserts — specifically sized for the M10 x 1 thread, ensuring a flawless match with the corresponding wire thread insert and a secure, vibration-resistant hold.
- Spiral flute design for efficient chip evacuation — for smoother cutting, reduced heat buildup, and cleaner threads in hard-to-reach pockets or deep blind holes.
- High-speed steel (HSS) construction with proven wear resistance and long life, built to withstand repetitive tapping in metal alloys without sacrificing edge sharpness.
- Durable geometry with consistent pitch — the STI geometry delivers repeatable results, minimizes cross-threading, and helps you achieve true, straight threads every time.
- Versatile performance across common substrates — perform reliable thread repairs in aluminum, steel, and other common machining materials where threaded fasteners are critical.
Use cases and practical applications
This tap is ideal for technicians, machinists, and DIY enthusiasts who need a dependable solution for extracting or reinforcing damaged threads. Use it to:
- Repair stripped M10 x 1 threads in engine blocks, transmission housings, and machinery housings.
- Prepare clean, accurate tap holes for new Heli-Coil inserts in fatigue-prone mounting points.
- Restore threads in aluminum castings or steel components where a robust, reusable fastener is required.
How it helps you work smarter
With the Baer Heli Coil Tap, you gain predictable performance start to finish. The spiral flute cuts efficiently, so you experience fewer deflections, less manual effort, and a smoother tapping process. The compatible M10 x 1 specification ensures you’re not chasing the right insert misalignment or mismatched threads—leading to faster repairs and durable, reusable threaded joints.
Key considerations for best results
- Follow standard Heli-Coil installation procedures: drill the correct pilot hole, tap to the precise M10 x 1 specification, insert the wire thread coil, and break off the tang as directed.
- Choose compatible tooling and lubricants to reduce heat and extend tap life, especially when working with harder alloys.
- From repair to reinforcement, this tap is built to deliver reliable, repeatable results across multiple jobs.
In the box — Baer Heli Coil Tap designed for M10 x 1 thread applications, built on a robust HSS platform for enduring performance.

| Thread Form | Metric |
| Size | M10 |
| Pitch | 1 |
| Lead | Spiral Flute Tap (STI) |
| Thread Direction | Right Hand |
| Tolerance | 4H |
| Tap Diameter (D1) | 11.3 |
| Flute Length (L2) | 25 |
| Overall Length (L1) | 85 |
| Shank Diameter (D2) | 8 |
| Square Drive | 6.3 |
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Baer Heli Coil Tap - Wire Thread Insert - Spiral Point Tap (STI) - Metric
View full collection →You are viewing BAER-B3717. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Tap Diameter (D1) | Flute Length (L2) | Overall Length (L1) | Shank Diameter (D2) | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| BAER-B3705 | M3 | 0.5 | 3.6 | 13 | 53 | 4 | £17.88 | 5 days | |
| BAER-B3706 | M3.5 | 0.6 | 4.3 | 13 | 53 | 4.5 | £25.22 | 5 days | |
| BAER-B3707 | M4 | 0.7 | 4.9 | 16 | 58 | 5 | £19.83 | In Stock | |
| BAER-B3708 | M5 | 0.8 | 6 | 19 | 66 | 6.3 | £19.83 | 5 days | |
| BAER-B3709 | M6 | 1 | 7.3 | 22 | 72 | 8 | £19.83 | 5 days | |
| BAER-B3710 | M7 | 1 | 8.3 | 22 | 72 | 9 | £26.18 | 5 days | |
| BAER-B3711 | M8 | 1.25 | 9.6 | 24 | 80 | 10 | £26.18 | 5 days | |
| BAER-B3712 | M8 | 1 | 9.3 | 24 | 80 | 10 | £31.70 | 5 days | |
| BAER-B3715 | M10 | 1.5 | 11.9 | 29 | 89 | 9 | £30.56 | 5 days | |
| BAER-B3717 Viewing | M10 | 1 | 11.3 | 25 | 85 | 8 | £38.23 | 5 days | |
| BAER-B3720 | M12 | 1.75 | 14.3 | 30 | 95 | 11.2 | £34.14 | 5 days | |
| BAER-B3721 | M12 | 1.5 | 14 | 30 | 95 | 11.2 | £48.44 | 5 days | |
| BAER-B3722 | M12 | 1.25 | 13.6 | 30 | 95 | 11.2 | £48.44 | 5 days | |
| BAER-B3727 | M14 | 2 | 16.6 | 32 | 102 | 12.5 | £63.42 | 5 days | |
| BAER-B3728 | M14 | 1.5 | 16 | 32 | 102 | 12.5 | £56.92 | 5 days | |
| BAER-B3729 | M14 | 1.25 | 15.6 | 32 | 102 | 12.5 | £48.44 | 5 days | |
| BAER-B3733 | M16 | 2 | 18.6 | 37 | 112 | 14 | £69.57 | 5 days |
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