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Carmex Thread Turning Internal Insert - Stub Acme - Left Hand - 27IL3STACMEBMA

Carmex Thread Turning Internal Insert - Stub Acme - Left Hand - 27IL3STACMEBMA

SKU:27IL3STACMEBMA

The Carmex Thread Turning Internal Insert - Stub Acme - Left Hand is a high-quality internal threading insert designed for stub Acme left-hand threads. It sits in our industry-leading range of th... Read more ↓
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Thread TypeInternal
Thread DirectionLeft Hand
Thread FormStub Acme
Pitch3
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£19.37
Prices shown ex. VAT
In Stock
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Free delivery over £50 ex VAT
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14-day returns
30+ years expertise
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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 high-quality internal threading insert designed for stub Acme left-hand threads. It sits in our industry-leading range of thread turning inserts and uses a laydown triangular geometry to cover a wide array of thread standards, enabling efficient interior threading across many applications.

Engineers, machinists, and shop technicians will value its versatility for everything from basic repairs to demanding production runs, delivering consistent thread profiles with minimal setup.

  • Broad thread-standard compatibility: The laydown triangular design provides coverage for a wide range of thread standards, reducing tool changes and keeping production moving.
  • Durable, reliable performance: Built for longevity, it maintains consistent thread geometry across both simple tasks and more challenging operations.
  • Left-hand Stub Acme specialization: Specifically engineered for left-hand Stub Acme internal threads, ensuring accurate engagement and reliable results in interior machining.

This insert helps streamline your threading workflow by handling multiple standards with a single tool, reducing inventory and downtime. Its dependable performance supports on-time production and repeatable results, while its dedicated design for left-hand Stub Acme internal threads gives you confidence in challenging interior operations. In short, it enables you to complete more jobs faster, with fewer tool changes and consistent results across varied applications.

Part Numbers

Protool Part Number
27IL3STACMEBMA
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 27IL3STACMEBMA. Click any other SKU to view its full details.

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

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