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Carmex Thread Turning Internal Insert - American Butress - Right Hand - 11IR20ABUTBMA

Carmex Thread Turning Internal Insert - American Butress - Right Hand - 11IR20ABUTBMA

SKU:11IR20ABUTBMA

The Carmex Thread Turning Internal Insert, American Butress, Right Hand, model 11IR20ABUTBMA, is a precision cutting tool designed for internal threading tasks. As part of our industry-leading ran... Read more ↓
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Thread TypeInternal
Thread DirectionRight Hand
Thread FormAmerican Butress
Pitch20
Insert Size11
GradeBMA
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£10.90
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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The Carmex Thread Turning Internal Insert, American Butress, Right Hand, model 11IR20ABUTBMA, is a precision cutting tool designed for internal threading tasks. As part of our industry-leading range of thread turning inserts, this laydown triangular insert delivers consistent, accurate thread forms across a broad set of standards.

Ideal for engineers, machinists, buyers, tradespeople, and hobbyists alike, it offers a reliable solution for everything from simple, routine threading to more demanding applications. Its design focuses on stable performance and easy integration into a wide variety of setups, so you can count on predictable results project after project.

  • Broad thread compatibility: Covers the majority of thread standards in use today, reducing tool changes and expanding versatility across diverse projects.
  • Stable laydown triangular geometry: Triangular insert design provides robust cutting engagement and smooth, predictable threading for clean, consistent results.
  • Versatile for basic to demanding applications: Handles a wide range of threading tasks—from simple to highly demanding—helping you standardize tooling and improve throughput.

This insert helps you streamline your threading workflow by unifying multiple standards in one tool, reducing setup time and downtime from tool changes. Its stable cutting action and broad applicability translate to more consistent thread quality, faster completion of jobs, and fewer reworks—supporting higher productivity across shop floors and assembly lines.

Thread Type Internal
Thread Direction Right Hand
Thread Form American Butress
Pitch 20
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 interested in providing a good service making us the customer feel valued.
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first place we look
honest about stock and prices are competitive.
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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.
Jeremy

Full Range: Carmex Thread Turning Internal Inserts - American Buttress - Right/Left Hand

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You are viewing 11IR20ABUTBMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
11IR16ABUTBMA InternalRight HandAmerican Butress1611BMA£10.90 In Stock
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22IL6ABUTBMA InternalLeft HandAmerican Butress622BMA£16.09 5 days
22IL8ABUTBMA InternalLeft HandAmerican Butress822BMA£16.09 5 days
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