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Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - UNC - 1.3/8 x 6
| Thread Form | UNC |
| Size | 1.3/8 |
| Pitch | 6 |
| Lead | Bottoming Tap (STI) |
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Description
Meet the Baer Heli Coil Tap — a precision tool designed for impeccable thread repairs and reinforcements with Heli-Coil wire thread inserts. Engineered for durability and consistent performance, this Bottoming Tap (STI) delivers clean, full-depth UNC threads every time, specifically sized for 1-3/8 x 6 applications.
Why this Heli Coil Tap stands out
- Bottoming tap design ensures complete thread engagement to the full depth of the hole, which is essential when installing Heli-Coil inserts and when you need reliable, fatigue-resistant threads.
- Tailored for Heli-Coil wire thread inserts, providing precise alignment that minimizes insert binding and maximizes load-bearing capacity.
- UNC compatibility (1-3/8 x 6) covers a broad range of common repair and reinforcement scenarios in automotive, machinery, and equipment maintenance.
- Durable construction built to withstand repeated tapping in tough materials, helping you reduce downtime and extend tool life.
- Versatile for repairs, reinforcements, and new-thread applications where threaded holes must withstand vibration, pull-out, and heavy use.
Practical usage and best practices
- Prepare the hole to the correct insert size and verify depth to ensure the Heli-Coil insert seats properly.
- Lubricate and steady your taps, turning slowly clockwise to cut accurate threads without tearing.
- After tapping, clean away chips, install the corresponding Heli-Coil insert per manufacturer instructions, and test with a fastener to confirm fit and torque behavior.
Ideal for professionals and meticulous hobbyists
Whether you’re a pro mechanic restoring critical engine threads or a machinist reinforcing aerospace components, this Baer Heli Coil Tap is designed to deliver repeatable results. It’s the dependable choice for maintaining structural integrity in threaded holes, ensuring your repairs withstand vibration, temperature changes, and repeated assembly cycles.
Part Numbers
- Protool Part Number
- BAER-B3119
- 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 - Bottoming Tap (STI) - UNC
View full collection →You are viewing BAER-B3119. 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-B3100 | No. 2 | 56 | 2.8 | 10 | 48 | 3.15 | £14.97 | 5 days | |
| BAER-B3101 | No. 4 | 40 | 3.7 | 13 | 53 | 4 | £14.86 | 5 days | |
| BAER-B3102 | No. 5 | 40 | 4 | 13 | 53 | 4 | £14.86 | 5 days | |
| BAER-B3103 | No. 6 | 32 | 4.5 | 16 | 58 | 5 | £14.86 | 5 days | |
| BAER-B3104 | No. 8 | 32 | 5.2 | 17 | 62 | 5.6 | £14.86 | 5 days | |
| BAER-B3105 | No. 10 | 24 | 6.2 | 19 | 66 | 6.3 | £14.86 | 5 days | |
| BAER-B3106 | No. 12 | 24 | 6.9 | 19 | 66 | 7.1 | £14.86 | 5 days | |
| BAER-B3107 | 1/4 | 20 | 8 | 22 | 72 | 8 | £9.77 | 5 days | |
| BAER-B3108 | 5/16 | 18 | 9.8 | 24 | 80 | 10 | £10.84 | 5 days | |
| BAER-B3109 | 3/8 | 16 | 11.6 | 25 | 85 | 8 | £11.32 | 5 days | |
| BAER-B3110 | 7/16 | 14 | 13.5 | 30 | 95 | 11.2 | £15.01 | 5 days | |
| BAER-B3111 | 1/2 | 13 | 15.2 | 32 | 102 | 12.5 | £17.18 | 5 days | |
| BAER-B3112 | 9/16 | 12 | 17 | 37 | 112 | 14 | £28.80 | 5 days | |
| BAER-B3113 | 5/8 | 11 | 18.9 | 37 | 112 | 14 | £35.47 | 5 days | |
| BAER-B3114 | 3/4 | 10 | 22.4 | 38 | 118 | 16 | £43.07 | 5 days | |
| BAER-B3115 | 7/8 | 9 | 25.9 | 45 | 130 | 18 | £62.08 | 5 days | |
| BAER-B3116 | 1 | 8 | 29.5 | 48 | 138 | 20 | £62.08 | 5 days | |
| BAER-B3117 | 1.1/8 | 7 | 33.3 | 51 | 151 | 22.4 | £109.27 | 5 days | |
| BAER-B3118 | 1.1/4 | 7 | 36.5 | 57 | 162 | 25 | £131.14 | 5 days | |
| BAER-B3119 Viewing | 1.3/8 | 6 | 40.4 | 60 | 170 | 28 | £156.79 | 5 days | |
| BAER-B3120 | 1.1/2 | 6 | 43.6 | 67 | 187 | 31.5 | £210.03 | 5 days |
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