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Carmex Thread Turning Internal Insert - NPT - Right Hand - 16IRB18NPTBMA
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
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The ones our customers buy most.Description
The Carmex Thread Turning Internal Insert - NPT - Right Hand - 16IRB18NPTBMA is part of Carmex’s industry-leading range of thread turning inserts. These high-quality laydown triangular inserts are designed to cover the majority of thread standards in use today, providing a reliable solution for a wide variety of internal threading tasks.
Designed for a broad audience—from engineers and buyers to tradespeople and hobbyists—this insert delivers dependable performance for both basic and demanding applications, in a compact, easy-to-use form.
- Broad compatibility with thread standards: Covers the majority of common thread standards in use today, reducing the need to stock multiple tools and simplifying your tooling inventory.
- Triangular laydown design for stability and precision: The laydown triangular geometry provides stable seating in the holder, smooth cutting action, and consistent thread profiles.
- Durable, reliable performance for daily use: Built to withstand routine shop-floor demands, delivering dependable results across a range of threading tasks and materials.
This insert helps streamline your threading workflow by offering one versatile solution that supports a wide range of applications, minimizes tool changes, and delivers consistent, repeatable results. It enables efficient setup, steady throughput, and confident production threading from prototype work to ongoing production runs.
Part Numbers
- Protool Part Number
- 16IRB18NPTBMA
- 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.
Full Range: Carmex Thread Turning Internal Inserts - BType - NPT - Right Hand
View full collection →You are viewing 16IRB18NPTBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 11IRB18NPTBMA | Internal | Right Hand | NPT | 18 | 11 | BMA | £10.55 | 5 days | |
| 16IRB11.5NPTBMA | Internal | Right Hand | NPT | 11.5 | 16 | BMA | £9.50 | 5 days | |
| 16IRB14NPTBMA | Internal | Right Hand | NPT | 14 | 16 | BMA | £9.50 | 5 days | |
| 16IRB18NPTBMA Viewing | Internal | Right Hand | NPT | 18 | 16 | BMA | £7.29 | 5 days | |
| 16IRB8NPTBMA | Internal | Right Hand | NPT | 8 | 16 | BMA | £9.50 | 5 days |
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