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16IR16WK20 - Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 16 |
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Description
Carmex Thread Turning Internal Insert - Right Hand - 16IR16WK20 is a high-quality internal threading insert designed to cut right-hand threads inside bores. Part of our industry-leading range, these laydown triangular inserts are engineered to cover the most common thread standards today, including BSW, BSF, BSP and BSB. Built to perform across basic to demanding applications, they’re a reliable choice for engineers, shop-floor technicians, buyers, tradespeople, and hobbyists alike.
- Wide thread-standard compatibility: Covers BSW, BSF, BSP, and BSB, allowing a single insert to handle multiple internal threading standards, reducing tool changes and simplifying inventory.
- Triangular laydown geometry for stable cutting: The laydown design promotes even wear and steady engagement, delivering consistent thread form and longer insert life across a range of jobs.
- Right-hand threading focus: Optimized for right-hand internal threads, providing dependable performance on bore threading tasks with minimal adjustment or rework.
This insert is designed to help you streamline setup, improve workflow, and achieve reliable, repeatable internal threads. Whether you’re manufacturing, repairing, or prototyping, the Carmex internal insert offers confidence-inspiring performance that supports consistent results from first cut to final pass.
Part Numbers
- Protool Part Number
- 16IR16WK20
- 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.
