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Carmex Thread Turning Internal Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 11IRB16UNJBMA

Carmex Thread Turning Internal Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 11IRB16UNJBMA

SKU:11IRB16UNJBMA

The Carmex Thread Turning Internal Insert is a precision cutting tool designed for clean, accurate internal threads on UNJ standards. With a right-hand orientation and a laydown triangular geomet... Read more ↓
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Thread TypeInternal
Thread DirectionRight Hand
Thread FormUNJ (UNJC UNJF UNJEF UNJS)
Pitch16
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£10.28
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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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 is a precision cutting tool designed for clean, accurate internal threads on UNJ standards. With a right-hand orientation and a laydown triangular geometry, it covers UNJC, UNJF, UNJEF, and UNJS forms, making it a versatile choice for production, repair, and engineering tasks—from simple pilot threads to the most demanding jobs.

  • Broad UNJ compatibility: Designed to support UNJC, UNJF, UNJEF, and UNJS thread forms, this insert reduces the need for multiple tooling setups and simplifies inventory while delivering consistent results across common UNJ sizes.
  • Laydown triangular geometry for stability: The laydown triangular design promotes a stable, low-vibration cut with efficient chip control, helping achieve smoother finishes and longer tool life.
  • Versatile performance across applications: Suitable for a wide range of threading tasks—from basic to demanding—keeping production moving with reliable results and fewer tool changes.

This insert enables fast, repeatable UNJ internal threads with minimal rework, supporting tighter timelines and higher throughput. Its universal UNJ compatibility simplifies tooling procurement, while the robust geometry helps maintain consistent finishes even on tougher materials. In busy shops and job shops alike, it translates to reduced downtime, fewer setup changes, and improved overall threading performance.

Part Numbers

Protool Part Number
11IRB16UNJBMA
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 - BType - UNJ - Right Hand

View full collection →

You are viewing 11IRB16UNJBMA. Click any other SKU to view its full details.

Product SKUThread TypeThread DirectionThread FormPitchInsert SizeGradePriceStock Order
11IRB16UNJBMA ViewingInternalRight HandUNJ (UNJC UNJF UNJEF UNJS)1611BMA£10.28 5 days
11IRB18UNJBMA InternalRight HandUNJ (UNJC UNJF UNJEF UNJS)1811BMA£10.28 5 days
11IRB20UNJBMA InternalRight HandUNJ (UNJC UNJF UNJEF UNJS)2011BMA£10.28 5 days
11IRB24UNJBMA InternalRight HandUNJ (UNJC UNJF UNJEF UNJS)2411BMA£10.28 5 days
11IRB28UNJBMA InternalRight HandUNJ (UNJC UNJF UNJEF UNJS)2811BMA£10.28 5 days
11IRB32UNJBMA InternalRight HandUNJ (UNJC UNJF UNJEF UNJS)3211BMA£10.28 5 days

Complete Your Project

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