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Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 11IRB24UNBMA

Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 11IRB24UNBMA

SKU:11IRB24UNBMA

The Carmex Thread Turning Internal Insert (model 11IRB24UNBMA) is a precision cutting insert designed for internal threading on UN standards (UNC, UNF, UNEF, UNS). Optimized for right-hand thread... Read more ↓
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Thread TypeInternal
Thread DirectionRight Hand
Thread FormUN (UNC UNF UNEF UNS)
Pitch24
Insert Size11
GradeBMA
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£10.55
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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The Carmex Thread Turning Internal Insert (model 11IRB24UNBMA) is a precision cutting insert designed for internal threading on UN standards (UNC, UNF, UNEF, UNS). Optimized for right-hand threads, this laydown triangular insert provides a versatile solution for machinists, engineers, and workshop professionals seeking consistent results across a broad range of applications.

  • Broad UN thread compatibility: Works with UNC, UNF, UNEF, and UNS threads—eliminating the need for multiple inserts and speeding up setup.
  • Right-hand threading optimized: Specifically designed for right-hand threads, delivering predictable engagement and clean cuts in standard machining operations.
  • Industry-leading quality and versatility: Recognized worldwide for high quality and the ability to handle both basic and demanding threading tasks with a single insert.

By choosing this internal insert, you gain a flexible, ready-to-use solution for internal threading that reduces setup time and tool changes, improves threaded accuracy, and supports a wide range of UN thread standards. Its robust design and universal compatibility help you complete more jobs with fewer inserts, delivering reliable, repeatable results for both simple and complex projects.

Thread Type Internal
Thread Direction Right Hand
Thread Form UN (UNC UNF UNEF UNS)
Pitch 24
Insert Size 11
Grade BMA

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.

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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
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Full Range: Carmex Thread Turning Internal Inserts - BType - Unified - Right Hand

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You are viewing 11IRB24UNBMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
11IRB12UNBMA InternalRight HandUN (UNC UNF UNEF UNS)1211BMA£8.10 5 days
11IRB14UNBMA InternalRight HandUN (UNC UNF UNEF UNS)1411BMA£8.10 5 days
11IRB16UNBMA InternalRight HandUN (UNC UNF UNEF UNS)1611BMA£10.55 5 days
11IRB18UNBMA InternalRight HandUN (UNC UNF UNEF UNS)1811BMA£8.10 5 days
11IRB20UNBMA InternalRight HandUN (UNC UNF UNEF UNS)2011BMA£10.55 In Stock
11IRB24UNBMA ViewingInternalRight HandUN (UNC UNF UNEF UNS)2411BMA£10.55 5 days
11IRB28UNBMA InternalRight HandUN (UNC UNF UNEF UNS)2811BMA£8.10 5 days
11IRB32UNBMA InternalRight HandUN (UNC UNF UNEF UNS)3211BMA£8.10 5 days
16IRB10UNBMA InternalRight HandUN (UNC UNF UNEF UNS)1016BMA£9.50 5 days
16IRB12UNBMA InternalRight HandUN (UNC UNF UNEF UNS)1216BMA£9.50 5 days
16IRB14UNBMA InternalRight HandUN (UNC UNF UNEF UNS)1416BMA£9.50 5 days
16IRB16UNBMA InternalRight HandUN (UNC UNF UNEF UNS)1616BMA£9.50 5 days
16IRB18UNBMA InternalRight HandUN (UNC UNF UNEF UNS)1816BMA£9.50 5 days
16IRB20UNBMA InternalRight HandUN (UNC UNF UNEF UNS)2016BMA£9.50 5 days
16IRB24UNBMA InternalRight HandUN (UNC UNF UNEF UNS)2416BMA£9.50 5 days
16IRB8UNBMA InternalRight HandUN (UNC UNF UNEF UNS)816BMA£9.50 5 days