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16EL40WBMA - Carmex Thread Turning External Insert - W (BSW BSF BSP BSB) - Left Hand

SKU:16EL40WBMA

Carmex Thread Turning External Insert – Left Hand (BSW BSF BSP BSB) – 16EL40WBMA is a versatile external threading insert crafted to cover the most common British thread standards. Its laydown tr... Read more ↓
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M
K
S
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Thread TypeExternal
Thread DirectionLeft Hand
Thread FormW (BSW BSF BSP BSB)
Pitch40
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£9.47
per item · pack of 5
Prices shown ex. VAT
5 days estimated lead time — subject to availability
Sold in packs of 5
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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Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

Carmex Thread Turning External Insert – Left Hand (BSW BSF BSP BSB) – 16EL40WBMA is a versatile external threading insert crafted to cover the most common British thread standards. Its laydown triangular geometry delivers stable cutting action and reliable results across a range of applications, from basic projects to more demanding machining tasks.

  • Broad thread-standards compatibility: Designed to work with BSW, BSF, BSP, and BSB external threads, reducing tool changes and downtime so you can complete more jobs in less time.
  • Durable laydown triangular geometry: Provides consistent thread profiles and even wear resistance, helping you achieve clean, accurate threads even on tougher materials.
  • Left-hand threading efficiency: Optimized for external left-hand threading, enabling smooth setups and reliable cutting performance in standard machining centers.

This insert offers a dependable, multi-application solution that simplifies stock planning and improves productivity. By handling multiple thread standards with one tool, it helps you maintain steady throughput, reduce rework, and deliver consistent results across a broad range of threading tasks.

Part Numbers

Protool Part Number
16EL40WBMA
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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