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08UIR/L12WBXC - Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Neutral
| Thread Type | Internal |
| Thread Direction | Neutral |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 12 |
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Description
Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) is a versatile internal threading insert designed to handle multiple thread standards with a single tool. Part of Carmex’s industry-leading thread turning range, this laydown triangular insert delivers reliable, repeatable internal threads across common standards.
Designed for engineers, buyers, tradespeople, hobbyists, and workshop operators, it supports a wide range of applications—from straightforward thread cuts to more demanding threading tasks—helping you keep projects moving efficiently.
- Broad thread compatibility: A single internal insert supports BSW, BSF, BSP and BSB standards, reducing tool changes and downtime in mixed-thread work.
- Stable laydown triangular geometry: Triangle-shaped insert with a secure seating profile provides consistent engagement, smooth chip flow, and clean thread forms.
- Proven reliability across workloads: The insert is part of an industry‑leading line trusted worldwide for performance from simple to challenging threading tasks.
With Carmex's Thread Turning Internal Insert, you gain a dependable tool that simplifies setup, accelerates your threading workflow, and helps you achieve accurate, repeatable results with fewer passes. This makes it a practical choice for production shops and DIY projects alike, improving overall efficiency and throughput.
Part Numbers
- Protool Part Number
- 08UIR/L12WBXC
- Brand
- Carmex
- Category
- Thread Turning
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.

