Please log in here to access all benefits, including promotional discounts and faster checkouts.

Carmex Thread Turning Internal Insert - American Butress - Right Hand - 11IR16ABUTBMA

Carmex Thread Turning Internal Insert - American Butress - Right Hand - 11IR16ABUTBMA

SKU:11IR16ABUTBMA

The Carmex Thread Turning Internal Insert – American Buttress, Right Hand, model 11IR16ABUTBMA, is a precision tool for internal bore threading. As part of Carmex’s industry-leading range, it is ... Read more ↓
P
M
K
S
H
Thread TypeInternal
Thread DirectionRight Hand
Thread FormAmerican Butress
Pitch16
Insert Size11
GradeBMA
Download Cutting Data
£10.90
Prices shown ex. VAT
In Stock
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

The Carmex Thread Turning Internal Insert – American Buttress, Right Hand, model 11IR16ABUTBMA, is a precision tool for internal bore threading. As part of Carmex’s industry-leading range, it is designed to deliver dependable performance across a broad range of thread standards and is suitable for both simple and more demanding jobs.

  • Broad compatibility with internal thread standards: The insert is designed to cover the majority of common internal thread standards in use today, reducing tool changes and downtime.
  • Versatile performance from basic to demanding work: Whether you’re performing quick maintenance threads or finishing intricate internal threads, this insert delivers reliable results with consistent finishes.
  • Durable, precision geometry for smooth finishes: Engineered to produce clean, accurate threads with reduced cutting forces and longer service life between changes.

With a single insert capable of handling most thread standards and a design optimized for reliability, you can speed up internal threading tasks, cut setup and changeover time, and achieve consistent, high-quality threads across a range of materials. This makes the Carmex 11IR16ABUTBMA a practical choice for engineers, buyers, tradespeople, hobbyists, and maintenance professionals who value predictable performance and reduced downtime.

Thread Type Internal
Thread Direction Right Hand
Thread Form American Butress
Pitch 16
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.

★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
Bill
★★★★★
first place we look
honest about stock and prices are competitive.
Phil
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
Graham
★★★★★
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

View full collection →

You are viewing 11IR16ABUTBMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
11IR16ABUTBMA ViewingInternalRight HandAmerican Butress1611BMA£10.90 In Stock
11IR20ABUTBMA InternalRight HandAmerican Butress2011BMA£10.90 5 days
16IL10ABUTBMA InternalLeft HandAmerican Butress1016BMA£10.90 5 days
16IL12ABUTBMA InternalLeft HandAmerican Butress1216BMA£10.72 In Stock
16IL16ABUTBMA InternalLeft HandAmerican Butress1616BMA£10.90 5 days
16IL20ABUTBMA InternalLeft HandAmerican Butress2016BMA£10.90 5 days
16IR10ABUTBMA InternalRight HandAmerican Butress1016BMA£10.72 In Stock
16IR12ABUTBMA InternalRight HandAmerican Butress1216BMA£10.72 In Stock
16IR16ABUTBMA InternalRight HandAmerican Butress1616BMA£10.72 In Stock
16IR20ABUTBMA InternalRight HandAmerican Butress2016BMA£10.90 5 days
22IL6ABUTBMA InternalLeft HandAmerican Butress622BMA£16.09 5 days
22IL8ABUTBMA InternalLeft HandAmerican Butress822BMA£16.09 5 days
22IR6ABUTBMA InternalRight HandAmerican Butress622BMA£15.80 5 days
22IR8ABUTBMA InternalRight HandAmerican Butress822BMA£15.80 In Stock