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Carmex Carbide Tiny Tools - Back Turning Tool (MXL) - Grade K20 - 4.1mm Min Diameter x 10mm Reach (Left Hand)
| Application | Back Turning (MXL) |
| Minimum Diameter | 4.1 |
| Reach (L1) | 10 |
| Radius (R) | 0.15 |
| Max Back Turn Depth (H) | 0.8 |
| L | 51 |
Learn more about Klarna
The Carmex Carbide Tiny Tools Back Turning Tool (MXL) is a precision cutting tool designed for small turning applications. Its specialized back-turning geometry enables accurate backside surfaces on tight workpieces, making it ideal for small parts, fixtures, and prototypes.
Made from premium-grade carbide (Grade K20), this tiny tool delivers exceptional durability, wear resistance, and dependable performance. Its compact profile—4.1 mm minimum diameter and 10 mm reach—and left-handed orientation help you access narrow features and achieve consistent results in challenging setups.
- Back-turning geometry for backside surfaces: Enables precise finishing on the rear faces of small workpieces, delivering smooth, accurate backside surfaces with minimal secondary operations.
- Premium Grade K20 carbide for long tool life: Hard, wear-resistant material that stands up to demanding small-turning tasks, reducing tool changes and downtime.
- Compact left-handed design with 4.1 mm min diameter and 10 mm reach: Fits tight bores and confined spaces, while the left-hand orientation improves cutting action and control on delicate backside work.
Designed to improve workflow and results, this tool provides reliable performance in tight spaces, helping you finish small components with repeatable precision and fewer interruptions. Its durable carbide construction, combined with a purpose-built back-turning geometry, makes it a trusted choice for engineers, machinists, and hobbyists working on fine-detail parts.
| Application | Back Turning (MXL) |
| Minimum Diameter | 4.1 |
| Reach (L1) | 10 |
| Radius (R) | 0.15 |
| Max Back Turn Depth (H) | 0.8 |
| L | 51 |
| B | 1.3 |
| F | 1.7 |
| Grade | K20 |
| Holder | SIM****H4 |
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 Carbide Tiny Tools - Back Turning - Grade K20 (MXR)
View full collection →You are viewing MXL4R0.15L10K20. Click any other SKU to view its full details.
| Product SKU | Minimum Diameter | Reach | Radius | Max Back Turn Depth | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MXR6R0.2L22K20 | 6.1 | 22 | 0.2 | 1.8 | K20 | SIM****H6 | £24.40 | 5 days | |
| MXR4R0.15L15K20 | 4.1 | 15 | 0.15 | 0.8 | K20 | SIM****H4 | £23.43 | 5 days | |
| MXR5R0.2L15K20 | 5.1 | 15 | 0.2 | 1 | K20 | SIM****H5 | £23.65 | 5 days | |
| MXR4R0.1L10K20 | 3.1 | 10 | 0.1 | 0.5 | K20 | SIM****H4 | £23.18 | 5 days | |
| MXR5R0.2L22K20 | 5.1 | 22 | 0.2 | 1 | K20 | SIM****H5 | £23.90 | 5 days | |
| MXR6R0.2L15K20 | 6.1 | 15 | 0.2 | 1.8 | K20 | SIM****H6 | £24.20 | 5 days | |
| MXR4R0.15L10K20 | 4.1 | 10 | 0.15 | 0.8 | K20 | SIM****H4 | £23.18 | 5 days | |
| MXL4R0.15L10K20 Viewing | 4.1 | 10 | 0.15 | 0.8 | K20 | SIM****H4 | £23.18 | 5 days | |
| MXL4R0.15L15K20 | 4.1 | 15 | 0.15 | 0.8 | K20 | SIM****H4 | £23.43 | 5 days | |
| MXL4R0.1L10K20 | 3.1 | 10 | 0.1 | 0.5 | K20 | SIM****H4 | £23.18 | 5 days | |
| MXL5R0.2L15K20 | 5.1 | 15 | 0.2 | 1 | K20 | SIM****H5 | £23.65 | 5 days | |
| MXL5R0.2L22K20 | 5.1 | 22 | 0.2 | 1 | K20 | SIM****H5 | £23.90 | 5 days | |
| MXL6R0.2L15K20 | 6.1 | 15 | 0.2 | 1.8 | K20 | SIM****H6 | £24.20 | 5 days | |
| MXL6R0.2L22K20 | 6.1 | 22 | 0.2 | 1.8 | K20 | SIM****H6 | £20.63 | 5 days |
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