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Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16ER44UNJK20

Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16ER44UNJK20

SKU:16ER44UNJK20

Carmex Thread Turning External Insert 16ER44UNJK20 is a high-performance cutting tool designed for external thread turning across a broad range of materials. Its laydown triangular geometry deliv... Read more ↓
N
S
Thread TypeExternal
Thread DirectionRight Hand
Thread FormUNJ (UNJC UNJF UNJEF UNJS)
Pitch44
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£12.83
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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.
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

Carmex Thread Turning External Insert 16ER44UNJK20 is a high-performance cutting tool designed for external thread turning across a broad range of materials. Its laydown triangular geometry delivers stable, precise thread profiles and smooth finishes, even in tougher materials. This right-hand insert supports the UNJ thread family (UNJC, UNJF, UNJEF, UNJS) and is ready for both straightforward and demanding production tasks.

  • Broad UNJ compatibility: Covers UNJC, UNJF, UNJEF, and UNJS profiles, enabling you to tackle most external thread turning challenges with a single insert and reducing tool changes and inventory.
  • Triangular laydown geometry for stability: Provides a stable cutting action that minimizes rubbing and heat, delivering consistent thread forms and smooth surface finishes for reliable results.
  • Right-hand orientation with durable carbide: Optimized for right-hand threading and built from wear‑resistant carbide to maintain sharpness and performance under heavy feeds and demanding materials.

Using this insert helps streamline production by delivering repeatable thread quality, extending tool life, and reducing downtime. The broad UNJ compatibility simplifies stocking and setup, while the robust geometry and carbide construction support dependable performance across a wide range of materials and applications. In short, it helps you finish projects faster with confidence and consistently good results.

Part Numbers

Protool Part Number
16ER44UNJK20
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.

Complete Your Project

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