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16IR20ABUTBMA - Carmex Thread Turning Internal Insert - American Butress - Right Hand
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | American Butress |
| Pitch | 20 |
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Description
Our Carmex Thread Turning Internal Insert (American Butress - Right Hand - 16IR20ABUTBMA) is a trusted, industry-leading solution for producing clean, reliable internal threads. This laydown triangular insert is designed to cover a broad range of thread standards, delivering consistent results across many common applications.
Designed for engineers, machinists, and fabricators who value versatility and predictability, this insert supports quick setup and dependable performance across different materials and thread forms.
- Broad compatibility across thread standards: Designed to cover a majority of thread standards with a single tool, reducing setup time and simplifying tool inventory.
- Durable laydown triangular insert design: Stable cutting action with efficient chip control, helping to extend tool life and maintain consistent thread quality.
- Versatile for basic to demanding applications: From simple threading tasks to the most challenging forms, it delivers reliable results across a wide range of materials and thread geometries.
This insert helps you streamline threading operations by reducing tool changes, promoting consistent thread forms, and delivering dependable results project after project. With its broad compatibility and enduring design, you can count on steady performance that keeps production moving and rework to a minimum.
Part Numbers
- Protool Part Number
- 16IR20ABUTBMA
- 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 - American Buttress - Right/Left Hand
View full collection →You are viewing 16IR20ABUTBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 11IR16ABUTBMA | Internal | Right Hand | American Butress | 16 | 11 | BMA | £10.28 per item · pack of 2 | In Stock | Sold in packs of 2 |
| 11IR20ABUTBMA | Internal | Right Hand | American Butress | 20 | 11 | BMA | £10.28 per item · pack of 2 | 5 days | Sold in packs of 2 |
| 16IL10ABUTBMA | Internal | Left Hand | American Butress | 10 | 16 | BMA | £9.25 per item · pack of 5 | 5 days | Sold in packs of 5 |
| 16IL12ABUTBMA | Internal | Left Hand | American Butress | 12 | 16 | BMA | £12.06 per item · pack of 5 | In Stock | Sold in packs of 5 |
| 16IL16ABUTBMA | Internal | Left Hand | American Butress | 16 | 16 | BMA | £9.25 per item · pack of 5 | 5 days | Sold in packs of 5 |
| 16IL20ABUTBMA | Internal | Left Hand | American Butress | 20 | 16 | BMA | £9.25 per item · pack of 5 | 5 days | Sold in packs of 5 |
| 16IR10ABUTBMA | Internal | Right Hand | American Butress | 10 | 16 | BMA | £12.06 per item · pack of 2 | In Stock | Sold in packs of 2 |
| 16IR12ABUTBMA | Internal | Right Hand | American Butress | 12 | 16 | BMA | £12.06 per item · pack of 2 | In Stock | Sold in packs of 2 |
| 16IR16ABUTBMA | Internal | Right Hand | American Butress | 16 | 16 | BMA | £12.06 per item · pack of 2 | In Stock | Sold in packs of 2 |
| 16IR20ABUTBMA Viewing | Internal | Right Hand | American Butress | 20 | 16 | BMA | £9.25 per item · pack of 2 | 5 days | Sold in packs of 2 |
| 22IL6ABUTBMA | Internal | Left Hand | American Butress | 6 | 22 | BMA | £13.66 per item · pack of 5 | 5 days | Sold in packs of 5 |
| 22IL8ABUTBMA | Internal | Left Hand | American Butress | 8 | 22 | BMA | £13.66 per item · pack of 5 | 5 days | Sold in packs of 5 |
| 22IR6ABUTBMA | Internal | Right Hand | American Butress | 6 | 22 | BMA | £17.78 per item · pack of 2 | 5 days | Sold in packs of 2 |
| 22IR8ABUTBMA | Internal | Right Hand | American Butress | 8 | 22 | BMA | £17.78 per item · pack of 2 | In Stock | Sold in packs of 2 |
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