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Carmex Carbide Threading Insert - BSPT - TiAlN Coated - 21-11BSPT
| Application | Threading |
| Thread Form | BSPT |
| Internal or External | Internal & External |
| Insert Size | 21 |
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Description
The Carmex 21-11BSPT carbide threading insert is a precision cutting tool designed specifically for BSPT (British Standard Pipe Taper) threads. Built for engineers and machinists using CNC or manual turning, it delivers durable performance and dependable thread quality across demanding jobs.
- Thread Type: BSPT (British Standard Pipe Taper)
- Insert Type: 21-11BSPT
- Material: Premium-grade carbide for strength and longevity
- Coating: TiAlN coating for high heat resistance and extended tool life
- Application: Suitable for internal and external threading
- Compatibility: Fits standard tool holders for threading inserts
- Finish Quality: Produces accurate, clean, and consistent threads
- Brand Reliability: Manufactured by Carmex, a trusted name in threading solutions
With this insert, you can achieve robust, repeatable BSPT threads while reducing tool wear and downtime. The TiAlN coating handles elevated cutting temperatures, enabling higher feeds and deeper cuts without sacrificing thread accuracy. The insert's precision geometry and carbide hardness deliver crisp thread profiles on a range of materials, making it a dependable choice for both high-volume production and critical, precision work. Its compatibility with common tool holders simplifies integration into existing setups, ensuring you can upgrade your threading performance without overhauling your tooling inventory.
Part Numbers
- Protool Part Number
- 21-11BSPT
- Brand
- Carmex
- Category
- Thread Mill
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.
