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

16IL6STACMEBMA - Carmex Thread Turning Internal Insert - Stub Acme - Left Hand

SKU:16IL6STACMEBMA

The Carmex Thread Turning Internal Insert — Stub Acme, Left Hand is a precision cutting insert for internal threading of stub Acme left-hand threads. As part of Carmex’s globally recognized threa... Read more ↓
P
M
K
S
H
Thread TypeInternal
Thread DirectionLeft Hand
Thread FormStub Acme
Pitch6
View all specifications ↓
Download Cutting Data
£12.06
per item · pack of 5
Prices shown ex. VAT
In Stock— only 5 left
Sold in packs of 5
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

Description

The Carmex Thread Turning Internal Insert — Stub Acme, Left Hand is a precision cutting insert for internal threading of stub Acme left-hand threads. As part of Carmex’s globally recognized thread turning range, this high-quality laydown triangular insert is designed to cover the majority of thread standards available today, providing a versatile solution for a wide range of jobs—from basic threading tasks to the most demanding applications.

Its laydown geometry and robust design promote stable cutting and predictable results, helping machinists, engineers and maintenance teams complete accurate thread forms with fewer tool changes. This insert is built to support consistent performance across diverse materials and production environments.

  • Wide thread compatibility: Designed to cover a majority of thread standards, reducing tool changes and simplifying stocking so you can tackle a broad set of internal threading tasks with one insert family.
  • Stable laydown geometry: The laydown triangular shape seats securely in the tool setup, delivering consistent engagement and cleaner thread forms across a range of materials.
  • Long tool life: Engineered for extended cutting life across common thread standards, helping minimize downtime and maximize productive output.

By choosing the Carmex Thread Turning Internal Insert for Stub Acme Left-Hand threads, you gain a versatile, dependable solution that simplifies internal threading tasks. The broad compatibility reduces tool changes and inventory, while the stable cutting action and durable design support consistent thread quality and reduced rework. Whether on a high-volume production line or a maintenance bench, this insert helps you finish threads accurately and efficiently, improving overall workflow and results.

Part Numbers

Protool Part Number
16IL6STACMEBMA
Brand
Carmex
Category
Thread Turning
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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

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

View full collection →

You are viewing 16IL6STACMEBMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
16IL10STACMEBMA InternalLeft HandStub Acme1016BMA£12.06 per item · pack of 5In Stock
Sold in packs of 5
16IL12STACMEBMA InternalLeft HandStub Acme1216BMA£12.06 per item · pack of 55 days
Sold in packs of 5
16IL14STACMEBMA InternalLeft HandStub Acme1416BMA£9.25 per item · pack of 55 days
Sold in packs of 5
16IL16STACMEBMA InternalLeft HandStub Acme1616BMA£9.25 per item · pack of 55 days
Sold in packs of 5
16IL6STACMEBMA ViewingInternalLeft HandStub Acme616BMA£12.06 per item · pack of 5In Stock
Sold in packs of 5
16IL8STACMEBMA InternalLeft HandStub Acme816BMA£12.06 per item · pack of 5In Stock
Sold in packs of 5
16IR10STACMEBMA InternalRight HandStub Acme1016BMA£12.06 per item · pack of 2In Stock
Sold in packs of 2
16IR12STACMEBMA InternalRight HandStub Acme1216BMA£12.06 per item · pack of 2In Stock
Sold in packs of 2
16IR14STACMEBMA InternalRight HandStub Acme1416BMA£12.06 per item · pack of 2In Stock
Sold in packs of 2
16IR16STACMEBMA InternalRight HandStub Acme1616BMA£12.06 per item · pack of 25 days
Sold in packs of 2
16IR8STACMEBMA InternalRight HandStub Acme816BMA£12.06 per item · pack of 25 days
Sold in packs of 2
22IL4STACMEBMA InternalLeft HandStub Acme422BMA£13.66 per item · pack of 55 days
Sold in packs of 5
22IL5STACMEBMA InternalLeft HandStub Acme522BMA£13.66 per item · pack of 5In Stock
Sold in packs of 5
22IR4STACMEBMA InternalRight HandStub Acme422BMA£17.78 per item · pack of 25 days
Sold in packs of 2
22IR5STACMEBMA InternalRight HandStub Acme522BMA£17.78 per item · pack of 2In Stock
Sold in packs of 2
27IL3STACMEBMA InternalLeft HandStub Acme327BMA£19.37 per item · pack of 5In Stock
Sold in packs of 5
27IL4STACMEBMA InternalLeft HandStub Acme427BMA£19.37 per item · pack of 5In Stock
Sold in packs of 5
27IR3STACMEBMA InternalRight HandStub Acme327BMA£19.37 per item · pack of 25 days
Sold in packs of 2
27IR4STACMEBMA InternalRight HandStub Acme427BMA£25.22 per item · pack of 25 days
Sold in packs of 2

Complete Your Project

Tooling and consumables that work with this product.
All 16 →