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Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand - 16IR12WK20

16IR12WK20 - Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand

SKU:16IR12WK20

Carmex Thread Turning Internal Insert – Right Hand, designed for internal threading across multiple standards, is a versatile tool for machinists, engineers, and shop floor teams. Compatible with... Read more ↓
N
S
Thread TypeInternal
Thread DirectionRight Hand
Thread FormW (BSW BSF BSP BSB)
Pitch12
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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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Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

Carmex Thread Turning Internal Insert – Right Hand, designed for internal threading across multiple standards, is a versatile tool for machinists, engineers, and shop floor teams. Compatible with BSW, BSF, BSP, and BSB thread types, it fits a wide range of operations while maintaining dependable performance across diverse materials and applications.

These high-quality laydown triangular inserts are built to handle a broad spectrum of tasks—from basic to the most demanding threads—delivering dependable wear performance and consistent results you can trust.

  • Wide thread standard compatibility: Cuts BSW, BSF, BSP, and BSB internal threads with a single insert, reducing tool changes and simplifying inventory management.
  • Stable laydown triangular geometry: Robust geometry provides steady cutting action, minimizes vibration, and delivers clean, accurate threads across varying materials and feeds.
  • Right-hand threading optimized: Engineered for predictable, consistent performance on right-hand threads, ensuring smooth integration with standard CNC or manual setups.

This insert helps streamline production by reducing tool swaps, improving cycle times, and delivering reliable thread quality across jobs. Its versatile compatibility and durable design support faster setups, fewer reworks, and steady performance from simple repairs to more demanding manufacturing tasks.

Part Numbers

Protool Part Number
16IR12WK20
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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