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Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - Metric - M8 x 1.25
| Thread Form | Metric |
| Size | M8 |
| Pitch | 1.25 |
| Lead | Bottoming Tap (STI) |
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Description
Baer Heli Coil Tap - Wire Thread Insert - Bottoming Tap (STI) - Metric - M8 x 1.25 is the precision tool you reach for when threads must be repaired, reinforced, or created with unwavering reliability. Engineered to pair with Heli-Coil wire thread inserts, this metric bottoming tap delivers consistently clean, true threads that stand up to repeated assembly and vibration in demanding environments.
Why this tap matters for your projects
- Bottoming design for full-depth engagement: Designed to cut threads all the way to the bottom of blind holes, ensuring a complete seating area for inserts and fasteners.
- Accurate, repeatable thread formation: Tight flute geometry and precise pitch produce uniform thread profiles, reducing cross-threading and installation frustration.
- Durable, high-quality construction: Crafted for longevity under tough shop conditions, delivering reliable performance project after project.
- Metric precision: M8 x 1.25 is a common standard for many reinforcement inserts and fasteners, making this tap a versatile choice across automotive, machinery, and fabrication work.
- Repair and reinforcement in one step: Ideal for restoring stripped threads and creating a solid seat for wire thread inserts, helping components regain original strength and service life.
- User-friendly in multiple setups: Suitable for hand tapping with a tap wrench or machine tapping on a drill press or mill, with appropriate cutting oil to maximize tool life.
Applications include repairing damaged threads in metal housings, engine-related components, brackets, and other assemblies where durable, high-strength threads are essential. By using the Baer Heli Coil Tap, you can reopen worn threads and prepare for a reliable insert install, avoiding premature wear and costly part replacements.
Practical tips for best results: ensure the workpiece is securely clamped, align the tap square to the hole, apply a light, steady cutting oil, and advance gradually to maintain thread integrity. After tapping, clean the hole thoroughly before inserting the Heli-Coil to achieve optimal engagement and load distribution.
Part Numbers
- Protool Part Number
- BAER-B3011-1
- 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) - Metric
View full collection →You are viewing BAER-B3011-1. 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 | 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 Viewing | 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 | £115.83 | 5 days | |
| BAER-B3050 | M27 | 3 | 30.9 | 51 | 151 | 22.4 | £115.83 | 5 days | |
| BAER-B3051 | M27 | 2 | 29.6 | 37 | 127 | 20 | £115.83 | 5 days | |
| BAER-B3052 | M27 | 1.5 | 29 | 37 | 127 | 20 | £115.83 | 5 days | |
| BAER-B3053 | M28 | 1.5 | 30 | 37 | 127 | 20 | £115.83 | 5 days | |
| BAER-B3054-1 | M30 | 3.5 | 34.6 | 57 | 162 | 25 | £151.96 | 5 days | |
| BAER-B3055 | M30 | 2 | 32.6 | 37 | 137 | 22.4 | £151.96 | 5 days | |
| BAER-B3056 | M30 | 1.5 | 32 | 37 | 137 | 22.4 | £151.96 | 5 days | |
| BAER-B3057 | M33 | 3.5 | 37.6 | 57 | 162 | 25 | £157.63 | 5 days | |
| BAER-B3058 | M33 | 2 | 35.6 | 37 | 144 | 25 | £157.63 | 5 days | |
| BAER-B3060 | M36 | 4 | 41.2 | 60 | 170 | 28 | £175.72 | 5 days | |
| BAER-B3061 | M36 | 3 | 39.9 | 60 | 170 | 28 | £175.72 | 5 days | |
| BAER-B3062 | M36 | 2 | 38.6 | 39 | 150 | 28 | £175.72 | 5 days | |
| BAER-B3063 | M36 | 1.5 | 38 | 39 | 150 | 28 | £175.72 | 5 days | |
| BAER-B3064-1 | M39 | 4 | 44.2 | 67 | 187 | 31.5 | £269.70 | 5 days | |
| BAER-B3065-1 | M39 | 3 | 42.9 | 39 | 149 | 28 | £229.77 | 5 days |
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