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16EL20ABUTBMA - Carmex Thread Turning External Insert - American Butress - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | American Butress |
| Pitch | 20 |
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Description
Carmex Thread Turning External Insert – American Butress – Left Hand (16EL20ABUTBMA) is a precision cutting insert designed for external thread turning. As part of Carmex’s globally recognized thread turning insert range, it offers versatility across a wide array of thread standards and applications, from basic to demanding tasks.
- Broad compatibility with thread standards: Designed to cover the majority of thread standards in use today, reducing tool changes and keeping production moving.
- Left-hand external threading design: Optimized specifically for left-hand thread turning on external operations, delivering consistent and predictable results.
- Laydown triangular geometry for versatile use: The laydown triangular shape provides reliable engagement across a wide range of threading tasks, from simple chores to more challenging applications.
This combination helps you streamline setup, minimize downtime, and achieve reliable, repeatable thread quality across jobs, making it a dependable choice for shops that need one tool solution for multiple threading standards.
Part Numbers
- Protool Part Number
- 16EL20ABUTBMA
- 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 External Inserts - American Buttress - Right/Left Hand
View full collection →You are viewing 16EL20ABUTBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16EL12ABUTBMA | External | Left Hand | American Butress | 12 | 16 | BMA | £12.06 per item · pack of 5 | 5 days | Sold in packs of 5 |
| 16EL16ABUTBMA | External | Left Hand | American Butress | 16 | 16 | BMA | £12.06 per item · pack of 5 | In Stock | Sold in packs of 5 |
| 16EL20ABUTBMA Viewing | External | Left Hand | American Butress | 20 | 16 | BMA | £9.25 per item · pack of 5 | 5 days | Sold in packs of 5 |
| 16ER10ABUTBMA | External | Right Hand | American Butress | 10 | 16 | BMA | £12.06 per item · pack of 2 | In Stock | Sold in packs of 2 |
| 16ER12ABUTBMA | External | Right Hand | American Butress | 12 | 16 | BMA | £12.06 per item · pack of 2 | In Stock | Sold in packs of 2 |
| 16ER16ABUTBMA | External | Right Hand | American Butress | 16 | 16 | BMA | £12.06 per item · pack of 2 | In Stock | Sold in packs of 2 |
| 16ER20ABUTBMA | External | Right Hand | American Butress | 20 | 16 | BMA | £9.25 per item · pack of 2 | 5 days | Sold in packs of 2 |
| 22EL6ABUTBMA | External | Left Hand | American Butress | 6 | 22 | BMA | £17.78 per item · pack of 5 | 5 days | Sold in packs of 5 |
| 22EL8ABUTBMA | External | Left Hand | American Butress | 8 | 22 | BMA | £13.66 per item · pack of 5 | 5 days | Sold in packs of 5 |
| 22ER6ABUTBMA | External | Right Hand | American Butress | 6 | 22 | BMA | £13.66 per item · pack of 2 | 5 days | Sold in packs of 2 |
| 22ER8ABUTBMA | External | 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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