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Carmex Carbide Tiny Tools - Back Turning Tool (MXR) - Grade K20 - 5.1mm Min Diameter x 15mm Reach
| Application | Back Turning (MXR) |
| Minimum Diameter | 5.1 |
| Reach (L1) | 15 |
| Radius (R) | 0.2 |
| Max Back Turn Depth (H) | 1 |
| L | 51 |
Learn more about Klarna
The Carmex Carbide Tiny Tools Back Turning Tool (MXR) is a compact precision cutter designed for small turning tasks, enabling reliable back turning to produce accurate backside surfaces on tiny parts. Made from K20-grade carbide for exceptional wear resistance, it delivers durable performance in demanding work, with a 5.1 mm minimum diameter and 15 mm reach that let you access tight spaces without compromising cutting power.
- Back-turning precision for backside surfaces: Specifically designed to work on the rear faces of small workpieces, this tool delivers accurate, smooth finishes with fewer passes and less finishing effort.
- K20-grade carbide for long wear life: Premium carbide provides excellent edge retention and wear resistance, helping maintain sharpness through repeated cuts and extending tool life.
- MXR compact geometry for small parts and tight spaces: The small 5.1 mm minimum diameter and 15 mm reach enable turning tiny components and accessing hard-to-reach areas with ease, reducing setup time and handling.
By combining focused back-turning geometry with durable carbide, this tool helps you finish small parts faster, with consistent results and less downtime between jobs. Whether you’re in a production environment or a hobby shop, you can rely on reliable performance, repeatable finishes, and easier setups when tackling backside features on miniature components.
| Application | Back Turning (MXR) |
| Minimum Diameter | 5.1 |
| Reach (L1) | 15 |
| Radius (R) | 0.2 |
| Max Back Turn Depth (H) | 1 |
| L | 51 |
| B | 1.5 |
| F | 2.3 |
| Grade | K20 |
| Holder | SIM****H5 |
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 MXR5R0.2L15K20. 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 Viewing | 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 | 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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