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Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - Metric - M3.5 x 0.6
SKU:BAER-B3006-1
The Baer Heli Coil Tap is the dedicated bottoming tap (STI) you reach for when you need dependable, field-tested thread repairs and reinforcements. Designed specifically for metric M3.5 x 0.6 hol...
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Specification
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| Thread Form | Metric |
| Size | M3.5 |
| Pitch | 0.6 |
| Lead | Bottoming Tap (STI) |
| Thread Direction | Right Hand |
| Tolerance | 4H |
£10.84
Prices shown ex. VAT
5 days estimated lead time
— subject to availability
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Learn more about Klarna
- Precise bottoming action for full-thread depth, ensuring inserts sit flush and secure
- Robust, corrosion-resistant construction that stands up to repeated use in harsh environments
- Optimized flute geometry for clean cutting and efficient chip evacuation in a variety base materials
- Metric M3.5 x 0.6 sizing tailored for common small-assembly repairs in automotive, electronics, and machinery
- Consistent thread quality that reduces cross-threading risk and improves fastener torque accuracy
- Repairing stripped internal threads in aluminum housings, sensor mounts, or lightweight engine components
- Reinforcing critical threaded bosses where repeated assembly takes place, restoring original load-bearing capacity
- Preparing holes for reliable Heli-Coil insert installation, delivering durable, serviceable threads
The Baer Heli Coil Tap enables quick, repeatable thread restoration with results you can trust. By delivering clean, true threads at the full depth, it minimizes rework and extends the life of critical fasteners in both repair and production environments. Whether you’re a professional shop technician or a dedicated maker, this tool helps you achieve consistent, professional-grade repairs without compromise.
Pro tips for optimal results- Use a suitable cutting oil to reduce heat and extend tool life
- Inspect hole size and alignment before tapping to prevent misthreading
- Clean chips frequently and back off occasionally to avoid built-up material in the thread
- After tapping, install the appropriate Heli-Coil insert to restore full strength and load capacity
| Thread Form | Metric |
| Size | M3.5 |
| Pitch | 0.6 |
| Lead | Bottoming Tap (STI) |
| Thread Direction | Right Hand |
| Tolerance | 4H |
| Tap Diameter (D1) | 4.3 |
| Flute Length (L2) | 13 |
| Overall Length (L1) | 53 |
| Shank Diameter (D2) | 4.5 |
| Square Drive | 3.55 |
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.
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Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Full Range: Baer Heli Coil Taps - Wire Thread Insert - Bottoming Tap (STI) - Metric
View full collection →You are viewing BAER-B3006-1. 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-B3001-1 | M2 | 0.4 | 2.5 | 9.5 | 44.5 | 2.8 | £11.28 | 5 days | |
| BAER-B3003-1 | M2.5 | 0.45 | 3.1 | 11 | 48 | 3.15 | £11.28 | 5 days | |
| BAER-B3005-1 | M3 | 0.5 | 3.6 | 13 | 53 | 4 | £9.92 | 5 days | |
| BAER-B3006-1 Viewing | M3.5 | 0.6 | 4.3 | 13 | 53 | 4.5 | £10.84 | 5 days | |
| BAER-B3007-1 | M4 | 0.7 | 4.9 | 16 | 58 | 5 | £9.92 | 5 days | |
| BAER-B3008-1 | M5 | 0.8 | 6 | 19 | 66 | 6.3 | £9.92 | 5 days | |
| BAER-B3009-1 | M6 | 1 | 7.3 | 22 | 72 | 8 | £9.92 | 5 days | |
| BAER-B3010-1 | M7 | 1 | 8.3 | 22 | 72 | 9 | £12.27 | In Stock | |
| BAER-B3011-1 | M8 | 1.25 | 9.6 | 24 | 80 | 10 | £12.27 | 5 days | |
| BAER-B3012-1 | M8 | 1 | 9.3 | 24 | 80 | 10 | £12.27 | 5 days | |
| BAER-B3013-1 | M9 | 1.25 | 10.6 | 25 | 85 | 8 | £15.19 | 5 days | |
| BAER-B3015-1 | M10 | 1.5 | 11.9 | 29 | 89 | 9 | £15.19 | 5 days | |
| BAER-B3016-1 | M10 | 1.25 | 11.6 | 25 | 85 | 8 | £15.19 | 5 days | |
| BAER-B3017-1 | M10 | 1 | 11.3 | 25 | 85 | 8 | £15.19 | 5 days | |
| BAER-B3018-1 | M11 | 1.5 | 12.9 | 29 | 89 | 9 | £17.07 | 5 days | |
| BAER-B3020-1 | M12 | 1.75 | 14.3 | 30 | 95 | 11.2 | £17.07 | 5 days | |
| BAER-B3021-1 | M12 | 1.5 | 14 | 30 | 95 | 11.2 | £20.83 | 5 days | |
| BAER-B3022-1 | M12 | 1.25 | 13.6 | 30 | 95 | 11.2 | £20.83 | 5 days | |
| BAER-B3023-1 | M12 | 1 | 13.3 | 30 | 95 | 11.2 | £21.97 | 5 days | |
| BAER-B3027-1 | M14 | 2 | 16.6 | 32 | 102 | 12.5 | £23.74 | 5 days | |
| BAER-B3028-1 | M14 | 1.5 | 16 | 32 | 102 | 12.5 | £23.74 | 5 days | |
| BAER-B3029-1 | M14 | 1.25 | 15.6 | 32 | 102 | 12.5 | £23.74 | 5 days | |
| BAER-B3030-1 | M14 | 1 | 15.3 | 32 | 102 | 12.5 | £23.74 | 5 days | |
| BAER-B3033-1 | M16 | 2 | 18.6 | 37 | 112 | 14 | £29.01 | 5 days | |
| BAER-B3034-1 | M16 | 1.5 | 18 | 29 | 104 | 14 | £29.01 | 5 days | |
| BAER-B3035-1 | M18 | 2.5 | 21.3 | 38 | 118 | 16 | £41.30 | 5 days | |
| BAER-B3036-1 | M18 | 2 | 20.6 | 29 | 104 | 14 | £41.30 | 5 days | |
| BAER-B3037-1 | M18 | 1.5 | 20 | 29 | 104 | 14 | £41.30 | 5 days | |
| BAER-B3038-1 | M20 | 2.5 | 23.3 | 38 | 118 | 16 | £45.87 | 5 days | |
| BAER-B3039-1 | M20 | 2 | 22.6 | 33 | 113 | 16 | £45.87 | 5 days | |
| BAER-B3040-1 | M20 | 1.5 | 22 | 33 | 113 | 16 | £45.87 | 5 days | |
| BAER-B3041-1 | M22 | 2.5 | 25.3 | 45 | 130 | 18 | £52.83 | 5 days | |
| BAER-B3042-1 | M22 | 2 | 24.6 | 35 | 120 | 18 | £52.83 | 5 days | |
| BAER-B3043-1 | M22 | 1.5 | 24 | 35 | 120 | 18 | £52.83 | 5 days | |
| BAER-B3044-1 | M24 | 3 | 27.9 | 48 | 138 | 20 | £62.57 | 5 days | |
| BAER-B3045-1 | M24 | 2 | 26.6 | 37 | 127 | 20 | £62.57 | 5 days | |
| BAER-B3046-1 | M24 | 1.5 | 26 | 35 | 120 | 18 | £62.57 | 5 days | |
| BAER-B3049 | M26 | 1.5 | 28 | 37 | 127 | 20 | £113.67 | 5 days | |
| BAER-B3050 | M27 | 3 | 30.9 | 51 | 151 | 22.4 | £113.67 | 5 days | |
| BAER-B3051 | M27 | 2 | 29.6 | 37 | 127 | 20 | £113.67 | 5 days | |
| BAER-B3052 | M27 | 1.5 | 29 | 37 | 127 | 20 | £113.67 | 5 days | |
| BAER-B3053 | M28 | 1.5 | 30 | 37 | 127 | 20 | £113.67 | 5 days | |
| BAER-B3054-1 | M30 | 3.5 | 34.6 | 57 | 162 | 25 | £149.14 | 5 days | |
| BAER-B3055 | M30 | 2 | 32.6 | 37 | 137 | 22.4 | £149.14 | 5 days | |
| BAER-B3056 | M30 | 1.5 | 32 | 37 | 137 | 22.4 | £149.14 | 5 days | |
| BAER-B3057 | M33 | 3.5 | 37.6 | 57 | 162 | 25 | £154.72 | 5 days | |
| BAER-B3058 | M33 | 2 | 35.6 | 37 | 144 | 25 | £154.72 | 5 days | |
| BAER-B3060 | M36 | 4 | 41.2 | 60 | 170 | 28 | £172.46 | 5 days | |
| BAER-B3061 | M36 | 3 | 39.9 | 60 | 170 | 28 | £172.46 | 5 days | |
| BAER-B3062 | M36 | 2 | 38.6 | 39 | 150 | 28 | £172.46 | 5 days | |
| BAER-B3063 | M36 | 1.5 | 38 | 39 | 150 | 28 | £172.46 | 5 days | |
| BAER-B3064-1 | M39 | 4 | 44.2 | 67 | 187 | 31.5 | £264.70 | 5 days | |
| BAER-B3065-1 | M39 | 3 | 42.9 | 39 | 149 | 28 | £225.50 | 5 days |
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