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BaerCoil Thread Insert UNF - No6 x 40 - 2 X D
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Description
BaerCoil UNF thread insert No6 x 40 – 2xD is a high‑strength stainless steel threaded insert designed to create durable internal threads in metal parts. Built from AISI 304 stainless steel and cold‑form swaged to a rhombic cross‑section, it delivers reliable engagement with efficient use of space.
- Size/Thread: UNF internal thread, No6 x 40; installation depth of 2xD recommended.
- Material: Austenitic chromium‑nickel stainless steel (AISI 304); tensile strength ≥ 1400 N/mm2.
- Cross‑Section: Rhombic profile produced by cold‑form swaging for maximum thread contact and space utilization.
- Performance: Superior wear resistance, reduced thread abrasion, and improved surface finish with enhanced corrosion and heat resistance.
- Design Advantage: Optimized for reliable, long‑lasting thread engagement in demanding environments compared with standard screw connections.
BaerCoil inserts are engineered to deliver durable, repeatable threads that resist stripping under vibration and high loads. The rhombic cross‑section distributes load more evenly, supporting accurate torque transmission and extended service life. Crafted from corrosion‑resistant stainless steel, they perform well in humid, oily, or elevated‑temperature settings while maintaining a clean, smooth thread surface. This makes the No6 x 40 insert ideal for repair or reinforcement in metal assemblies where durability and reliability matter, and where space efficiency is at a premium.
Part Numbers
- Protool Part Number
- BAER-1-B8291-2
- Brand
- BAER
- Category
- Wire Thread Inserts
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: BaerCoil Thread Inserts - UNF Type S Free Running
View full collection →You are viewing BAER-1-B8291-2. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Length | Price | Stock | Order |
|---|---|---|---|---|---|---|
| BAER-1-B8287-1 | No2 | 64 | 1 X D | £1.27 | 5 days | |
| BAER-1-B8287-15 | No2 | 64 | 1.5 X D | £1.38 | 5 days | |
| BAER-1-B8287-2 | No2 | 64 | 2 X D | £1.43 | 5 days | |
| BAER-1-B8287-25 | No2 | 64 | 2.5 X D | £3.13 | 5 days | |
| BAER-1-B8287-3 | No2 | 64 | 3 X D | £3.50 | 5 days | |
| BAER-1-B8288-1 | No3 | 56 | 1 X D | £0.42 | 5 days | |
| BAER-1-B8288-15 | No3 | 56 | 1.5 X D | £0.48 | 5 days | |
| BAER-1-B8288-2 | No3 | 56 | 2 X D | £0.48 | 5 days | |
| BAER-1-B8288-3 | No3 | 56 | 3 X D | £1.75 | 5 days | |
| BAER-1-B8290-1 | No4 | 48 | 1 X D | £0.37 | 5 days | |
| BAER-1-B8290-15 | No4 | 48 | 1.5 X D | £0.42 | 5 days | |
| BAER-1-B8290-2 | No4 | 48 | 2 X D | £0.42 | 5 days | |
| BAER-1-B8290-25 | No4 | 48 | 2.5 X D | £0.53 | 5 days | |
| BAER-1-B8290-3 | No4 | 48 | 3 X D | £1.17 | 5 days | |
| BAER-1-B8289-1 | No5 | 44 | 1 X D | £0.74 | 5 days | |
| BAER-1-B8289-15 | No5 | 44 | 1.5 X D | £0.42 | 5 days | |
| BAER-1-B8289-2 | No5 | 44 | 2 X D | £1.91 | 5 days | |
| BAER-1-B8289-25 | No5 | 44 | 2.5 X D | £3.13 | 5 days | |
| BAER-1-B8289-3 | No5 | 44 | 3 X D | £3.50 | 5 days | |
| BAER-1-B8291-1 | No6 | 40 | 1 X D | £0.37 | 5 days | |
| BAER-1-B8291-15 | No6 | 40 | 1.5 X D | £0.37 | 5 days | |
| BAER-1-B8291-2 Viewing | No6 | 40 | 2 X D | £0.37 | 5 days | |
| BAER-1-B8291-25 | No6 | 40 | 2.5 X D | £0.48 | 5 days | |
| BAER-1-B8291-3 | No6 | 40 | 3 X D | £0.74 | 5 days | |
| BAER-1-B8292-1 | No8 | 36 | 1 X D | £0.37 | 5 days | |
| BAER-1-B8292-15 | No8 | 36 | 1.5 X D | £0.37 | 5 days | |
| BAER-1-B8292-2 | No8 | 36 | 2 X D | £0.37 | 5 days | |
| BAER-1-B8292-25 | No8 | 36 | 2.5 X D | £0.48 | 5 days | |
| BAER-1-B8292-3 | No8 | 36 | 3 X D | £1.22 | 5 days | |
| BAER-1-B8293-1 | No10 | 32 | 1 X D | £0.27 | 5 days | |
| BAER-1-B8293-15 | No10 | 32 | 1.5 X D | £0.27 | 5 days | |
| BAER-1-B8293-2 | No10 | 32 | 2 X D | £0.32 | 5 days | |
| BAER-1-B8293-25 | No10 | 32 | 2.5 X D | £0.37 | 5 days | |
| BAER-1-B8293-3 | No10 | 32 | 3 X D | £0.58 | 5 days | |
| BAER-1-B8225-1 | 1/4 | 28 | 1 X D | £0.32 | 5 days | |
| BAER-1-B8225-15 | 1/4 | 28 | 1.5 X D | £0.27 | 5 days | |
| BAER-1-B8225-2 | 1/4 | 28 | 2 X D | £0.32 | 5 days | |
| BAER-1-B8225-25 | 1/4 | 28 | 2.5 X D | £0.53 | 5 days | |
| BAER-1-B8225-3 | 1/4 | 28 | 3 X D | £0.74 | 5 days | |
| BAER-1-B8226-1 | 5/16 | 24 | 1 X D | £0.32 | 5 days | |
| BAER-1-B8226-15 | 5/16 | 24 | 1.5 X D | £0.37 | In Stock | |
| BAER-1-B8226-2 | 5/16 | 24 | 2 X D | £0.48 | 5 days | |
| BAER-1-B8226-25 | 5/16 | 24 | 2.5 X D | £0.64 | 5 days | |
| BAER-1-B8226-3 | 5/16 | 24 | 3 X D | £0.85 | 5 days | |
| BAER-1-B8227-1 | 3/8 | 24 | 1 X D | £0.48 | 5 days | |
| BAER-1-B8227-15 | 3/8 | 24 | 1.5 X D | £0.53 | 5 days | |
| BAER-1-B8227-2 | 3/8 | 24 | 2 X D | £0.64 | 5 days | |
| BAER-1-B8227-25 | 3/8 | 24 | 2.5 X D | £0.80 | 5 days | |
| BAER-1-B8227-3 | 3/8 | 24 | 3 X D | £1.59 | 5 days | |
| BAER-1-B8228-1 | 7/16 | 20 | 1 X D | £0.53 | 5 days | |
| BAER-1-B8228-15 | 7/16 | 20 | 1.5 X D | £0.64 | 5 days | |
| BAER-1-B8228-2 | 7/16 | 20 | 2 X D | £0.80 | 5 days | |
| BAER-1-B8228-25 | 7/16 | 20 | 2.5 X D | £1.01 | 5 days | |
| BAER-1-B8228-3 | 7/16 | 20 | 3 X D | £1.75 | 5 days | |
| BAER-1-B8229-1 | 1/2 | 20 | 1 X D | £0.58 | 5 days | |
| BAER-1-B8229-15 | 1/2 | 20 | 1.5 X D | £0.69 | 5 days | |
| BAER-1-B8229-2 | 1/2 | 20 | 2 X D | £0.80 | 5 days | |
| BAER-1-B8229-25 | 1/2 | 20 | 2.5 X D | £1.17 | 5 days | |
| BAER-1-B8229-3 | 1/2 | 20 | 3 X D | £1.80 | 5 days | |
| BAER-1-B8230-1 | 9/16 | 18 | 1 X D | £1.38 | 5 days | |
| BAER-1-B8230-15 | 9/16 | 18 | 1.5 X D | £1.43 | 5 days | |
| BAER-1-B8230-2 | 9/16 | 18 | 2 X D | £1.91 | 5 days | |
| BAER-1-B8230-25 | 9/16 | 18 | 2.5 X D | £2.33 | 5 days | |
| BAER-1-B8230-3 | 9/16 | 18 | 3 X D | £3.60 | 5 days | |
| BAER-1-B8231-1 | 5/8 | 18 | 1 X D | £1.54 | 5 days | |
| BAER-1-B8231-15 | 5/8 | 18 | 1.5 X D | £1.64 | 5 days | |
| BAER-1-B8231-2 | 5/8 | 18 | 2 X D | £2.17 | 5 days | |
| BAER-1-B8231-25 | 5/8 | 18 | 2.5 X D | £2.60 | 5 days | |
| BAER-1-B8231-3 | 5/8 | 18 | 3 X D | £4.03 | 5 days | |
| BAER-1-B8233-1 | 3/4 | 16 | 1 X D | £2.17 | 5 days | |
| BAER-1-B8233-15 | 3/4 | 16 | 1.5 X D | £3.02 | 5 days | |
| BAER-1-B8233-2 | 3/4 | 16 | 2 X D | £3.66 | 5 days | |
| BAER-1-B8233-25 | 3/4 | 16 | 2.5 X D | £4.40 | 5 days | |
| BAER-1-B8233-3 | 3/4 | 16 | 3 X D | £6.04 | 5 days | |
| BAER-1-B8235-1 | 7/8 | 14 | 1 X D | £3.55 | 5 days | |
| BAER-1-B8235-15 | 7/8 | 14 | 1.5 X D | £4.35 | 5 days | |
| BAER-1-B8235-2 | 7/8 | 14 | 2 X D | £7.47 | 5 days | |
| BAER-1-B8235-25 | 7/8 | 14 | 2.5 X D | £8.00 | 5 days | |
| BAER-1-B8235-3 | 7/8 | 14 | 3 X D | £11.18 | 5 days | |
| BAER-1-B8237-1 | 1 | 12 | 1 X D | £5.51 | 5 days | |
| BAER-1-B8237-15 | 1 | 12 | 1.5 X D | £6.52 | 5 days | |
| BAER-1-B8237-2 | 1 | 12 | 2 X D | £8.90 | 5 days | |
| BAER-1-B8237-25 | 1 | 12 | 2.5 X D | £11.82 | 5 days | |
| BAER-1-B8237-3 | 1 | 12 | 3 X D | £12.88 | 5 days | |
| BAER-1-B8238-15 | 1 1/8 | 12 | 1.5 X D | £18.66 | 5 days | |
| BAER-1-B8239-15 | 1 1/4 | 12 | 1.5 X D | £18.92 | 5 days | |
| BAER-1-B8240-15 | 1 3/8 | 12 | 1.5 X D | £45.90 | 5 days | |
| BAER-1-B8236-15 | 1 1/2 | 12 | 1.5 X D | £47.59 | 5 days |
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