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Carmex Thread Turning External Insert - American Butress - Right Hand - 11ER20ABUTK20

Carmex Thread Turning External Insert - American Butress - Right Hand - 11ER20ABUTK20

SKU:11ER20ABUTK20

The Carmex Thread Turning External Insert – American Butress – Right Hand – 11ER20ABUTK20 is a versatile external threading insert designed for a wide range of applications. This right‑hand, layd... Read more ↓
N
S
Thread TypeExternal
Thread DirectionRight Hand
Thread FormAmerican Butress
Pitch20
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£10.95
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
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The Carmex Thread Turning External Insert – American Butress – Right Hand – 11ER20ABUTK20 is a versatile external threading insert designed for a wide range of applications. This right‑hand, laydown triangular insert is built to deliver dependable performance across multiple thread standards, making it a practical choice for professional shops and hands‑on work alike.

These high‑quality laydown triangular inserts are designed to cover the majority of thread standards in use today, providing a flexible solution for many turning operations—from basic to the most demanding ones.

  • Broad thread-standards compatibility: Designed to cover the majority of thread standards, reducing tool changes and inventory while keeping production moving.
  • Efficient, clean threading geometry: Laydown triangular geometry enables stable cutting action for consistent thread profiles and smooth finishes across a wide range of applications.
  • Easy setup and reliable performance: Right-hand external insert orientation simplifies mounting and delivers predictable results with minimal setup, helping you finish jobs faster.

This insert helps streamline workflows, reduce downtime, and deliver consistent thread quality from first cut to completion. Its broad compatibility and user‑friendly orientation make it a dependable choice for production environments, job shops, and DIY projects alike.

Part Numbers

Protool Part Number
11ER20ABUTK20
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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