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Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Left Hand - 16IL14WK20

16IL14WK20 - Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Left Hand

SKU:16IL14WK20

The Carmex Thread Turning Internal Insert is a precision cutting insert designed for internal thread turning. It’s built to handle a wide range of thread standards, making it a versatile choice f... Read more ↓
N
S
Thread TypeInternal
Thread DirectionLeft Hand
Thread FormW (BSW BSF BSP BSB)
Pitch14
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£7.74
per item · pack of 10
Prices shown ex. VAT
5 days estimated lead time — subject to availability
Sold in packs of 10
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

The Carmex Thread Turning Internal Insert is a precision cutting insert designed for internal thread turning. It’s built to handle a wide range of thread standards, making it a versatile choice for engineers, machinists, and shops that value reliable results.

This W-series, left-hand insert features a laydown triangular geometry and the 16IL14WK20 configuration, enabling quick setup and consistent performance across BSW, BSF, BSP, and BSB internal threads.

  • Broad thread-standard compatibility: Covers BSW, BSF, BSP and BSB threads, enabling one insert to handle many projects and reduce tool changes.
  • Left-hand internal threading support: Specifically designed for left-handed threads, allowing you to complete internal threading tasks in a single setup.
  • Laydown triangular geometry: The triangular, laydown design provides stable seating and reliable cutting action across a range of applications.

By choosing this Carmex insert, you simplify tooling, cut setup time, and achieve consistent, dependable internal threads across standard sizes. The combination of left-hand capability and versatile geometry helps keep production moving, reducing downtime and improving overall workflow efficiency.

Part Numbers

Protool Part Number
16IL14WK20
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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