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Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - UNC - No. 6 x 32
| Thread Form | UNC |
| Size | No. 6 |
| Pitch | 32 |
| Lead | Bottoming Tap (STI) |
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Description

The Baer Heli Coil Tap is the go-to bottoming tap for impeccable thread repairs and reinforcements. Built to deliver precise, full-depth internal threads, this tool is tailored for installing wire thread inserts (Heli-Coil) with consistency you can count on in demanding environments.
- Internal thread size: UNC 6-32 — specifically sized for standard small-fastener applications and a wide range of inserts.
- Bottoming tap design: engineered to reach the final thread depth in blind holes, ensuring every insert seat is locked in with solid engagement.
- Heli-Coil insert compatibility: creates the ideal foundation for reinforced threads that resist pull-out and vibration, extending component life.
- Durable, precise construction: crafted for repeatable tapping performance, delivering clean, burr-free threads and long tool life in metalwork projects.
- Versatile applications: ideal for automotive, machinery maintenance, electronics enclosures, and any project requiring reliable, repairable threads.
What you’ll achieve
With the Baer Heli Coil Tap, you’ll restore damaged threads or prepare a hole for a high-strength insert, reducing downtime and eliminating the need for costly repairs. The result is secure fastener engagement, improved load distribution, and components that stand up to repeated assembly and disassembly.
Usage snapshot
- Identify the correct No. 6-32 insert size for your application.
- Tap to the required depth using the bottoming geometry to ensure complete thread engagement.
- Install the Heli-Coil insert per standard instructions and verify with a test screw.
Designed for professionals who demand accuracy and durability, the Baer Heli Coil Tap empowers you to repair, reinforce, and extend the life of critical threaded connections with confidence.
Part Numbers
- Protool Part Number
- BAER-B3103
- 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-B3103. 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 Viewing | 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 | 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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