Please log in here to access all benefits, including promotional discounts and faster checkouts.
Carmex Carbide Tiny Tools - Back Turning Tool (MXR) - Grade K20 - 4.1mm Min Diameter x 15mm Reach
| Application | Back Turning (MXR) |
| Minimum Diameter | 4.1 |
| Reach (L1) | 15 |
| Radius (R) | 0.15 |
| Max Back Turn Depth (H) | 0.8 |
| L | 51 |
Learn more about Klarna
The Carmex Carbide Tiny Tools - Small Back Turning Tool (MXR) is a precision carbide cutting tool built for small turning tasks. Its back-turning geometry is designed to create accurate surfaces on the backside of workpieces, making it a practical choice for micro-machining, prototype runs, and finishing tight features.
Crafted from premium-grade carbide, this MXR tool delivers exceptional wear resistance and long tool life even when working with demanding materials. Its compact form, with a 4.1 mm minimum diameter and a 15 mm reach, lets you access tight pockets and thin sections without compromising rigidity or surface quality.
- Premium carbide for long tool life: Premium-grade carbide provides outstanding wear resistance and maintains sharpness, delivering consistent cuts over many cycles and reducing tool changes.
- Back turning geometry for precise backside surfaces: Specialized design enables clean, accurate backside features with minimal setup and fewer finishing passes.
- Compact MXR form with 4.1 mm minimum diameter and 15 mm reach: Small profile fits tight spaces and reaches recessed areas on tiny parts, improving control and reducing setup time.
By using the Carmex Tiny Tools MXR Back Turning Tool, you gain reliable control in micro-turning tasks, reduce rework, and speed up your workflow. The durable carbide edge keeps cuts consistent across runs, while the compact geometry helps you reach challenging areas without sacrificing rigidity. It’s a confident choice for engineers, machinists, and hobbyists who value precision, consistency, and repeatable results on small components.
| Application | Back Turning (MXR) |
| Minimum Diameter | 4.1 |
| Reach (L1) | 15 |
| 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 MXR4R0.15L15K20. 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 Viewing | 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 | 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 |
No products match your filters.
