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

Carmex Thread Turning Internal Insert - MJ - Right Hand - 11IR1.25MJBMA

Carmex Thread Turning Internal Insert - MJ - Right Hand - 11IR1.25MJBMA

SKU:11IR1.25MJBMA

The Carmex Thread Turning Internal Insert (MJ - Right Hand - 11IR1.25MJBMA) is a precision tool for internal threading that fits standard turning setups. Part of Carmex’s industry-leading thread ... Read more ↓
P
M
K
S
H
Thread TypeInternal
Thread DirectionRight Hand
Thread FormMJ
Pitch1.25
Insert Size11
GradeBMA
Download Cutting Data
£11.80
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 (MJ - Right Hand - 11IR1.25MJBMA) is a precision tool for internal threading that fits standard turning setups. Part of Carmex’s industry-leading thread turning family, this insert is renowned worldwide for reliability and broad compatibility with the majority of thread standards using a single laydown triangular design, capable of handling everything from basic to demanding applications.

  • Broad thread-standards compatibility: Covers the majority of thread standards with a single insert, reducing tool changes and simplifying inventory.
  • Triangular laydown geometry for stability and finish: The laydown triangular shape provides a stable cutting edge and consistent results across a wide range of threading tasks.
  • Right-hand internal threading design: Specifically engineered for internal thread turning on right-hand threads, enabling clean, accurate holes and dependable performance.

Together, this insert helps streamline your workflow: fewer tool changes thanks to broad compatibility, stable cutting for consistent thread quality, and a dedicated internal threading design that delivers reliable results in both production runs and prototypes.

Thread Type Internal
Thread Direction Right Hand
Thread Form MJ
Pitch 1.25
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 - MJ - Right Hand

View full collection →

You are viewing 11IR1.25MJBMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
11IR0.5MJBMA InternalRight HandMJ0.511BMA£14.18 5 days
11IR0.75MJBMA InternalRight HandMJ0.7511BMA£14.18 5 days
11IR0.7MJBMA InternalRight HandMJ0.711BMA£14.18 5 days
11IR0.8MJBMA InternalRight HandMJ0.811BMA£14.18 5 days
11IR1.0MJBMA InternalRight HandMJ111BMA£11.80 In Stock
11IR1.25MJBMA ViewingInternalRight HandMJ1.2511BMA£11.80 In Stock
11IR1.5MJBMA InternalRight HandMJ1.511BMA£11.80 In Stock
11IR2.0MJBMA InternalRight HandMJ211BMA£11.80 In Stock
16IR0.75MJBMA InternalRight HandMJ0.7516BMA£14.18 5 days
16IR0.8MJBMA InternalRight HandMJ0.816BMA£14.18 5 days
16IR1.0MJBMA InternalRight HandMJ116BMA£10.72 In Stock
16IR1.25MJBMA InternalRight HandMJ1.2516BMA£10.72 In Stock
16IR1.5MJBMA InternalRight HandMJ1.516BMA£10.72 5 days
16IR1.75MJBMA InternalRight HandMJ1.7516BMA£14.18 5 days
16IR2.0MJBMA InternalRight HandMJ216BMA£10.72 In Stock
16IR3.0MJBMA InternalRight HandMJ316BMA£14.18 5 days