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Baer Heli Coil Tap - Wire Thread Insert - Spiral Point Tap (STI) - Metric - M8 x 1.25
| Thread Form | Metric |
| Size | M8 |
| Pitch | 1.25 |
| Lead | Spiral Point Tap (STI) |
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Description
Baer Heli Coil Tap — the precision tool designed to restore damaged threads and reinforce critical holes with Heli-Coil wire thread inserts. This Spiral Point Tap (STI) is engineered for durability and exactness, delivering clean, true threads for reliable, long-lasting repairs in metric M8 x 1.25 applications.
Engineered for durability and precision
From the first cut to the final pass, this tap maintains tight tolerances and smooth engagement. The STI geometry guides chips forward, reducing clogging and ensuring consistent thread formation in a range of metals. The result is a repair that feels like original hardware, not a temporary fix.
Key benefits that matter in real-world use
- Accurate M8 x 1.25 thread profile tailored for Heli-Coil inserts, enabling a secure, load-bearing repair.
- Spiral point action improves thread start and minimizes buildup, speeding up repair work in busy shops.
- Rugged construction designed for repeated use in automotive, machinery, and maintenance environments.
- Drive compatibility with standard tapping wrenches and drills for straightforward integration into existing workflows.
Ideal use cases
Use this Heli Coil Tap for restoring stripped or damaged threads in engine blocks, cylinder heads, transmission housings, aluminum housings, and other metric components where high-strength threads are pivotal. It’s particularly valuable when you rely on Heli-Coil inserts to recover thread life without oversized repairs or replacements.
How it helps you work smarter
By creating clean, correctly sized threads that precisely accept wire thread inserts, this tool minimizes downtime and rework. It reduces the risk of cross-threading and thread loss during assembly, providing consistent outcomes across multiple repairs.
Invest in the Baer Heli Coil Tap for a dependable, professional-grade solution to thread repair and reinforcement, engineered for durability and built to deliver lasting performance in your workshop.
Part Numbers
- Protool Part Number
- BAER-B3511
- 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-B3511. 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 Viewing | 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 | 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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