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Carmex Carbide Tiny Tools - Back Turning Tool (MXR) - Grade K20 - 3.1mm Min Diameter x 10mm Reach
| Application | Back Turning (MXR) |
| Minimum Diameter | 3.1 |
| Reach (L1) | 10 |
| Radius (R) | 0.10 |
| Max Back Turn Depth (H) | 0.5 |
| L | 51 |
Learn more about Klarna
The Carmex Carbide Tiny Tools - Back Turning Tool (MXR) is a precision cutting tool designed for small turning applications. Its specialized back-turning geometry helps you create accurate, consistent backside surfaces on tiny workpieces, with a compact form that fits tight setups. It is built from premium-grade carbide for durability and wear resistance, and it accepts a minimum diameter of 3.1 mm with a 10 mm reach for turning small parts with ease.
- Back turning capability for backside precision: Designed specifically for back turning operations, this tool helps you produce accurate, consistent backside surfaces on small workpieces, reducing manual finishing and improving part quality.
- Premium carbide for durability and wear resistance: Made from high-grade carbide, this tool delivers long edge life and reliable performance in demanding small-part turning tasks.
- Compact size with 3.1 mm minimum diameter and 10 mm reach: The small-diameter, 10 mm reach enables access to tight features and precision control in confined spaces, speeding setup and boosting overall workflow.
Whether you’re an engineer, machinist, or hobbyist, this tiny back turning tool expands your capabilities for precision work on small parts. It delivers clean backside finishes, reduces secondary finishing steps, and provides dependable performance you can trust across multiple small-part applications.
| Application | Back Turning (MXR) |
| Minimum Diameter | 3.1 |
| Reach (L1) | 10 |
| Radius (R) | 0.10 |
| Max Back Turn Depth (H) | 0.5 |
| L | 51 |
| B | 1.3 |
| F | 1.3 |
| 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 MXR4R0.1L10K20. 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 Viewing | 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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