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Baer Heli Coil Tap - Wire Thread Insert - Spiral Point Tap (STI) - Metric - M10 x 1.5
| Thread Form | Metric |
| Size | M10 |
| Pitch | 1.5 |
| Lead | Spiral Point Tap (STI) |
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Description
The Baer Heli Coil Tap is your go-to tool for precise thread repairs and reliable insert installations. Engineered for the metric M10 x 1.5 format, this Spiral Point Tap (STI) delivers clean, straight threads that perfectly accept Heli-Coil wire thread inserts. Built to endure demanding shop conditions, it’s a trusted companion for automotive, machinery, and metalworking projects where threaded strength matters most.
- Spiral Point (STI) design: Forces chips forward for smoother cutting and reduced snagging, especially in through-holes and hard materials.
- HSS with HSSE grade construction: Optimized wear resistance and heat tolerance for repeated use and long tool life.
- Precise M10 x 1.5 geometry: Matches standard insert kits, ensuring consistent thread fit and reliable performance when reinforced with coils.
- Through-hole compatibility: Creates accurate female threads ready for insert installation, restoring original thread strength without parts replacement.
- Industrial-grade reliability: Designed for professional shops and serious DIYers who demand durable tooling that maintains accuracy over time.
Use cases include repairing stripped or damaged threads in engine blocks, transmission housings, valve covers, aluminum frames, and metal enclosures. When a standard tap won’t restore integrity, this Heli Coil Tap helps you rebuild the engagement area so a Heli-Coil insert can reclaim torque specs and long-term durability. It’s the smart choice for projects where threaded components must withstand repeated assembly cycles and harsh operating conditions.
Practical tips for best results: lubricate with a suitable cutting fluid to reduce heat and friction, ensure proper alignment to avoid thread miscasts, and pair with the compatible Heli-Coil insert system for a complete reinforcement solution. With the Baer Heli Coil Tap, you’re equipping your workshop with a precise, durable tool that returns damaged threads to like-new strength.

Part Numbers
- Protool Part Number
- BAER-B3515
- Brand
- BAER
- Category
- Heli Coil Tap
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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 Taps - Wire Thread Insert - Spiral Point Tap (STI) - Metric
View full collection →You are viewing BAER-B3515. 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-B3505 | M3 | 0.5 | 3.6 | 13 | 53 | 4 | £17.55 | 5 days | |
| BAER-B3506 | M3.5 | 0.6 | 4.3 | 13 | 53 | 4.5 | £17.55 | 5 days | |
| BAER-B3507 | M4 | 0.7 | 4.9 | 16 | 58 | 5 | £18.69 | 5 days | |
| BAER-B3508 | M5 | 0.8 | 6 | 19 | 66 | 6.3 | £18.69 | 5 days | |
| BAER-B3509 | M6 | 1 | 7.3 | 22 | 72 | 8 | £18.69 | 5 days | |
| BAER-B3510 | M7 | 1 | 8.3 | 22 | 72 | 9 | £24.89 | 5 days | |
| BAER-B3511 | M8 | 1.25 | 9.6 | 24 | 80 | 10 | £26.84 | 5 days | |
| BAER-B3512 | M8 | 1 | 9.3 | 24 | 80 | 10 | £26.84 | 5 days | |
| BAER-B3515 Viewing | M10 | 1.5 | 11.9 | 29 | 89 | 9 | £31.70 | 5 days | |
| BAER-B3517 | M10 | 1 | 11.3 | 25 | 85 | 8 | £31.70 | 5 days | |
| BAER-B3520 | M12 | 1.75 | 14.3 | 30 | 95 | 11.2 | £34.14 | 5 days | |
| BAER-B3521 | M12 | 1.5 | 14 | 30 | 95 | 11.2 | £42.29 | 5 days | |
| BAER-B3522 | M12 | 1.25 | 13.6 | 30 | 95 | 11.2 | £42.29 | 5 days | |
| BAER-B3527 | M14 | 2 | 16.6 | 32 | 102 | 12.5 | £42.29 | 5 days | |
| BAER-B3528 | M14 | 1.5 | 16 | 32 | 102 | 12.5 | £47.16 | 5 days | |
| BAER-B3529 | M14 | 1.25 | 15.6 | 32 | 102 | 12.5 | £47.16 | 5 days | |
| BAER-B3533 | M16 | 2 | 18.6 | 37 | 112 | 14 | £63.42 | 5 days |
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