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Carmex Carbide Tiny Tool - Grooving - MGR - K20 Grade - Minimum Diameter 5.1mm x 1.59mm Groove Width x 15mm Reach
| Application | Grooving (MGR) |
| Minimum Diameter | 5.1 |
| Groove Width (B) | 1.59 |
| Groove Depth (H) | 1.2 |
| Reach (L1) | 15 |
| L | 51 |
Learn more about Klarna
The Carmex Carbide Tiny Tool – Small Grooving Tool (MGR) is a compact, high-precision cutting instrument designed for creating narrow grooves on small parts. Crafted from premium K20-grade carbide, it delivers reliable wear resistance and consistent performance in tight spaces, with a minimum diameter of 5.1 mm, a groove width of 1.59 mm, and a reach of 15 mm. This tool is ideal for engineers, machinists, hobbyists, and technicians who need accurate micro-grooving capabilities in a compact form.
The design focuses on delivering precise grooves with minimal setup fuss. Its small footprint enables easy access to confined areas, while the robust carbide composition helps maintain edge stability and reduce tool changes during demanding workflows.
- Premium carbide construction: Made from K20-grade carbide for exceptional wear resistance, long tool life, and dependable performance in demanding grooving tasks.
- Micro-groove capability: With a 5.1 mm minimum diameter, 1.59 mm groove width, and 15 mm reach, it delivers precise grooves on tiny parts and tight features with consistent results.
- Broad machine compatibility: Designed to work across a wide range of machines and systems, enabling flexible integration into existing workflows and reducing setup time.
This Tiny Tool helps you achieve clean, accurate grooves on small components, improves workflow efficiency, and minimizes downtime due to wear or rework. Its combination of compact geometry and durable carbide supports reliable, repeatable results, making it a trusted choice for precision grooving across multiple applications.
| Application | Grooving (MGR) |
| Minimum Diameter | 5.1 |
| Groove Width (B) | 1.59 |
| Groove Depth (H) | 1.2 |
| Reach (L1) | 15 |
| L | 51 |
| F | 2.3 |
| D | 5.0 |
| 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 - Grooving - Grade K20 (MGR)
View full collection →You are viewing MGR5B1.59L15K20. Click any other SKU to view its full details.
| Product SKU | Minimum Diameter | Groove Width | Groove Depth | Reach | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MGR4B0.79L22K20 | 4.1 | 0.79 | 0.9 | 22 | K20 | SIM****H4 | £25.44 | 5 days | |
| MGR5B0.79L15K20 | 5.1 | 0.79 | 1 | 15 | K20 | SIM****H5 | £23.27 | 5 days | |
| MGR3B0.7L10K20 | 3.1 | 0.7 | 0.6 | 10 | K20 | SIM****H3 | £22.12 | 5 days | |
| MGR4B1.0L10K20 | 4.1 | 1 | 1 | 10 | K20 | SIM****H4 | £22.80 | 5 days | |
| MGR5B1.0L15K20 | 5.1 | 1 | 1.2 | 15 | K20 | SIM****H5 | £23.27 | 5 days | |
| MGR4B0.79L15K20 | 4.1 | 0.79 | 0.9 | 15 | K20 | SIM****H4 | £24.18 | 5 days | |
| MGR5B1.59L15K20 Viewing | 5.1 | 1.59 | 1.2 | 15 | K20 | SIM****H5 | £23.27 | 5 days | |
| MGR2B0.5L10K20 | 2.1 | 0.5 | 0.5 | 10 | K20 | SIM****H4 | £23.81 | 5 days | |
| MGR4B0.5L10K20 | 4.1 | 0.5 | 0.5 | 10 | K20 | SIM****H4 | £22.76 | 5 days | |
| MGR4B1.0L22K20 | 4.1 | 1 | 1 | 22 | K20 | SIM****H4 | £25.43 | 5 days | |
| MGR4B1.0L15K20 | 4.1 | 1 | 1 | 15 | K20 | SIM****H4 | £24.18 | 5 days | |
| MGR4B0.7L10K20 | 4.1 | 0.7 | 0.6 | 10 | K20 | SIM****H4 | £22.75 | 5 days | |
| MGR6B1.0L17K20 | 6.1 | 1 | 1.8 | 17 | K20 | SIM****H6 | £26.13 | 5 days | |
| MGR3B0.5L10K20 | 3.1 | 0.5 | 0.5 | 10 | K20 | SIM****H3 | £22.76 | 5 days | |
| MGR6B1.0L15K20 | 6.1 | 1 | 1.4 | 15 | K20 | SIM****H6 | £23.81 | 5 days | |
| MGR4B1.5L15K20 | 4.1 | 1.5 | 1 | 15 | K20 | SIM****H4 | £24.18 | 5 days | |
| MGR4B0.5L15K20 | 4.1 | 0.5 | 0.5 | 15 | K20 | SIM****H4 | £24.18 | 5 days | |
| MGR5B0.79L22K20 | 5.1 | 0.79 | 1 | 22 | K20 | SIM****H5 | £24.67 | 5 days | |
| MGR5B1.59L22K20 | 5.1 | 1.59 | 1.2 | 22 | K20 | SIM****H5 | £24.67 | 5 days | |
| MGR5B1.5L22K20 | 5.1 | 1.5 | 1.2 | 22 | K20 | SIM****H5 | £24.67 | 5 days | |
| MGR5B1.5L15K20 | 5.1 | 1.5 | 1.2 | 15 | K20 | SIM****H5 | £23.27 | 5 days | |
| MGR5B1.19L22K20 | 5.1 | 1.19 | 1.2 | 22 | K20 | SIM****H5 | £24.67 | 5 days | |
| MGR6B0.79L23K20 | 6.1 | 0.79 | 1.8 | 23 | K20 | SIM****H6 | £28.02 | 5 days | |
| MGR6B0.79L17K20 | 6.1 | 0.79 | 1.8 | 17 | K20 | SIM****H6 | £26.13 | 5 days | |
| MGR5B2.0L22K20 | 5.1 | 2 | 1.2 | 22 | K20 | SIM****H5 | £24.67 | 5 days | |
| MGR6B1.59L17K20 | 6.1 | 1.59 | 1.8 | 17 | K20 | SIM****H6 | £26.13 | 5 days | |
| MGR6B1.5L17K20 | 6.1 | 1.5 | 1.8 | 17 | K20 | SIM****H6 | £26.13 | In Stock | |
| MGR5B1.19L15K20 | 5.1 | 1.19 | 1.2 | 15 | K20 | SIM****H5 | £23.27 | 5 days | |
| MGR6B1.5L15K20 | 6.1 | 1.5 | 1.4 | 15 | K20 | SIM****H6 | £23.81 | 5 days | |
| MGR6B1.19L17K20 | 6.1 | 1.19 | 1.8 | 17 | K20 | SIM****H6 | £26.13 | 5 days | |
| MGR6B1.0L22K20 | 6.1 | 1 | 1.4 | 22 | K20 | SIM****H6 | £25.46 | 5 days | |
| MGR6B1.19L23K20 | 6.1 | 1.19 | 1.8 | 23 | K20 | SIM****H6 | £28.02 | 5 days | |
| MGR5B2.0L15K20 | 5.1 | 2 | 1.2 | 15 | K20 | SIM****H5 | £23.27 | 5 days | |
| MGR4B1.5L22K20 | 4.1 | 1.5 | 1 | 22 | K20 | SIM****H4 | £25.44 | 5 days | |
| MGR5B1.0L22K20 | 5.1 | 1 | 1.2 | 22 | K20 | SIM****H5 | £24.67 | 5 days | |
| MGR4B1.5L10K20 | 4.1 | 1.5 | 1 | 10 | K20 | SIM****H4 | £22.80 | 5 days | |
| MGR6B1.59L23K20 | 6.1 | 1.59 | 1.8 | 23 | K20 | SIM****H6 | £28.02 | 5 days | |
| MGR6B2.0L17K20 | 6.1 | 2 | 1.8 | 17 | K20 | SIM****H6 | £28.78 | 5 days | |
| MGR7B2.0L30K20 | 7.1 | 2 | 2.5 | 30 | K20 | SIM****H7 | £30.75 | 5 days | |
| MGR6B1.5L22K20 | 6.1 | 1.5 | 1.4 | 22 | K20 | SIM****H6 | £25.46 | 5 days | |
| MGR8B1.0L22K20 | 8.1 | 1 | 1.7 | 22 | K20 | SIM****H8 | £28.56 | 5 days | |
| MGR7B1.0L15K20 | 7.1 | 1 | 2.5 | 15 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGR6B1.5L23K20 | 6.1 | 1.5 | 1.8 | 23 | K20 | SIM****H6 | £28.00 | 5 days | |
| MGR7B1.19L22K20 | 7.1 | 1.19 | 2.5 | 22 | K20 | SIM****H7 | £28.02 | 5 days | |
| MGR6B2.0L23K20 | 6.1 | 2 | 1.8 | 23 | K20 | SIM****H6 | £28.00 | In Stock | |
| MGR6B2.0L15K20 | 6.1 | 2 | 1.4 | 15 | K20 | SIM****H6 | £23.81 | 5 days | |
| MGR7B2.0L22K20 | 7.1 | 2 | 2.5 | 22 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGR8B2.0L22K20 | 8.1 | 2 | 2.6 | 22 | K20 | SIM****H8 | £28.56 | 5 days | |
| MGR6B2.0L22K20 | 6.1 | 2 | 1.4 | 22 | K20 | SIM****H6 | £25.46 | 5 days | |
| MGR8B1.5L22K20 | 8.1 | 1.5 | 1.7 | 22 | K20 | SIM****H8 | £28.56 | 5 days | |
| MGR7B1.5L22K20 | 7.1 | 1.5 | 2.5 | 22 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGR7B1.5L15K20 | 7.1 | 1.5 | 2.5 | 15 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGR8B2.38L15K20 | 8.1 | 2.38 | 2.6 | 15 | K20 | SIM****H8 | £28.56 | 5 days | |
| MGR7B1.59L22K20 | 7.1 | 1.59 | 2.5 | 22 | K20 | SIM****H7 | £28.02 | 5 days | |
| MGR7B1.59L30K20 | 7.1 | 1.59 | 2.5 | 30 | K20 | SIM****H7 | £30.75 | 5 days | |
| MGR7B1.0L30K20 | 7.1 | 1 | 2.5 | 30 | K20 | SIM****H7 | £30.75 | 5 days | |
| MGR7B1.5L30K20 | 7.1 | 1.5 | 2.5 | 30 | K20 | SIM****H7 | £30.75 | 5 days | |
| MGR8B2.38L22K20 | 8.1 | 2.38 | 2.6 | 22 | K20 | SIM****H8 | £28.56 | 5 days | |
| MGR7B1.0L22K20 | 7.1 | 1 | 2.5 | 22 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGR7B2.0L15K20 | 7.1 | 2 | 2.5 | 15 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGR7B1.19L30K20 | 7.1 | 1.19 | 2.5 | 30 | K20 | SIM****H7 | £30.75 | 5 days | |
| MGL2B0.5L10K20 | 2.1 | 0.5 | 0.5 | 10 | K20 | SIM****H4 | £23.80 | 5 days | |
| MGL3B0.5L10K20 | 3.1 | 0.5 | 0.5 | 10 | K20 | SIM****H3 | £22.75 | 5 days | |
| MGL3B0.7L10K20 | 3.1 | 0.7 | 0.6 | 10 | K20 | SIM****H3 | £22.12 | 5 days | |
| MGL4B0.5L10K20 | 4.1 | 0.5 | 0.5 | 10 | K20 | SIM****H4 | £22.75 | 5 days | |
| MGL4B0.5L15K20 | 4.1 | 0.5 | 0.5 | 15 | K20 | SIM****H4 | £24.22 | 5 days | |
| MGL4B0.79L15K20 | 4.1 | 0.79 | 0.9 | 15 | K20 | SIM****H4 | £24.22 | 5 days | |
| MGL4B0.79L22K20 | 4.1 | 0.79 | 0.9 | 22 | K20 | SIM****H4 | £25.43 | 5 days | |
| MGL4B0.7L10K20 | 4.1 | 0.7 | 0.6 | 10 | K20 | SIM****H4 | £22.75 | 5 days | |
| MGL4B1.0L10K20 | 4.1 | 1 | 1 | 10 | K20 | SIM****H4 | £22.80 | 5 days | |
| MGL4B1.0L15K20 | 4.1 | 1 | 1 | 15 | K20 | SIM****H4 | £24.18 | 5 days | |
| MGL4B1.0L22K20 | 4.1 | 1 | 1 | 22 | K20 | SIM****H4 | £25.43 | 5 days | |
| MGL4B1.5L10K20 | 4.1 | 1.5 | 1 | 10 | K20 | SIM****H4 | £22.80 | 5 days | |
| MGL4B1.5L15K20 | 4.1 | 1.5 | 1 | 15 | K20 | SIM****H4 | £24.22 | 5 days | |
| MGL4B1.5L22K20 | 4.1 | 1.5 | 1 | 22 | K20 | SIM****H4 | £25.43 | 5 days | |
| MGL5B0.79L15K20 | 5.1 | 0.79 | 1 | 15 | K20 | SIM****H5 | £23.30 | 5 days | |
| MGL5B0.79L22K20 | 5.1 | 0.79 | 1 | 22 | K20 | SIM****H5 | £24.69 | 5 days | |
| MGL5B1.0L15K20 | 5.1 | 1 | 1.2 | 15 | K20 | SIM****H5 | £23.27 | 5 days | |
| MGL5B1.0L22K20 | 5.1 | 1 | 1.2 | 22 | K20 | SIM****H5 | £24.67 | 5 days | |
| MGL5B1.19L15K20 | 5.1 | 1.19 | 1.2 | 15 | K20 | SIM****H5 | £23.30 | 5 days | |
| MGL5B1.19L22K20 | 5.1 | 1.19 | 1.2 | 22 | K20 | SIM****H5 | £24.69 | 5 days | |
| MGL5B1.59L15K20 | 5.1 | 1.59 | 1.2 | 15 | K20 | SIM****H5 | £23.30 | 5 days | |
| MGL5B1.59L22K20 | 5.1 | 1.59 | 1.2 | 22 | K20 | SIM****H5 | £24.69 | 5 days | |
| MGL5B1.5L15K20 | 5.1 | 1.5 | 1.2 | 15 | K20 | SIM****H5 | £23.27 | 5 days | |
| MGL5B1.5L22K20 | 5.1 | 1.5 | 1.2 | 22 | K20 | SIM****H5 | £24.67 | 5 days | |
| MGL5B2.0L15K20 | 5.1 | 2 | 1.2 | 15 | K20 | SIM****H5 | £23.27 | 5 days | |
| MGL5B2.0L22K20 | 5.1 | 2 | 1.2 | 22 | K20 | SIM****H5 | £24.67 | 5 days | |
| MGL6B0.79L17K20 | 6.1 | 0.79 | 1.8 | 17 | K20 | SIM****H6 | £26.18 | 5 days | |
| MGL6B0.79L23K20 | 6.1 | 0.79 | 1.8 | 23 | K20 | SIM****H6 | £28.00 | 5 days | |
| MGL6B1.0L15K20 | 6.1 | 1 | 1.4 | 15 | K20 | SIM****H6 | £23.81 | 5 days | |
| MGL6B1.0L17K20 | 6.1 | 1 | 1.8 | 17 | K20 | SIM****H6 | £26.18 | 5 days | |
| MGL6B1.0L22K20 | 6.1 | 1 | 1.4 | 22 | K20 | SIM****H6 | £25.46 | 5 days | |
| MGL6B1.19L17K20 | 6.1 | 1.19 | 1.8 | 17 | K20 | SIM****H6 | £26.18 | 5 days | |
| MGL6B1.19L23K20 | 6.1 | 1.19 | 1.8 | 23 | K20 | SIM****H6 | £28.00 | 5 days | |
| MGL6B1.59L17K20 | 6.1 | 1.59 | 1.8 | 17 | K20 | SIM****H6 | £26.18 | 5 days | |
| MGL6B1.59L23K20 | 6.1 | 1.59 | 1.8 | 23 | K20 | SIM****H6 | £28.00 | 5 days | |
| MGL6B1.5L15K20 | 6.1 | 1.5 | 1.4 | 15 | K20 | SIM****H6 | £23.81 | 5 days | |
| MGL6B1.5L17K20 | 6.1 | 1.5 | 1.8 | 17 | K20 | SIM****H6 | £26.18 | 5 days | |
| MGL6B1.5L22K20 | 6.1 | 1.5 | 1.4 | 22 | K20 | SIM****H6 | £25.46 | 5 days | |
| MGL6B1.5L23K20 | 6.1 | 1.5 | 1.8 | 23 | K20 | SIM****H6 | £28.00 | 5 days | |
| MGL6B2.0L15K20 | 6.1 | 2 | 1.4 | 15 | K20 | SIM****H6 | £23.81 | 5 days | |
| MGL6B2.0L17K20 | 6.1 | 2 | 1.8 | 17 | K20 | SIM****H6 | £28.75 | 5 days | |
| MGL6B2.0L22K20 | 6.1 | 2 | 1.4 | 22 | K20 | SIM****H6 | £25.46 | 5 days | |
| MGL6B2.0L23K20 | 6.1 | 2 | 1.8 | 23 | K20 | SIM****H6 | £28.00 | 5 days | |
| MGL7B1.0L15K20 | 7.1 | 1 | 2.5 | 15 | K20 | SIM****H7 | £26.76 | 5 days | |
| MGL7B1.0L22K20 | 7.1 | 1 | 2.5 | 22 | K20 | SIM****H7 | £26.76 | 5 days | |
| MGL7B1.0L30K20 | 7.1 | 1 | 2.5 | 30 | K20 | SIM****H7 | £30.75 | 5 days | |
| MGL7B1.19L22K20 | 7.1 | 1.19 | 2.5 | 22 | K20 | SIM****H7 | £28.00 | 5 days | |
| MGL7B1.19L30K20 | 7.1 | 1.19 | 2.5 | 30 | K20 | SIM****H7 | £30.77 | 5 days | |
| MGL7B1.59L22K20 | 7.1 | 1.59 | 2.5 | 22 | K20 | SIM****H7 | £28.00 | 5 days | |
| MGL7B1.59L30K20 | 7.1 | 1.59 | 2.5 | 30 | K20 | SIM****H7 | £30.77 | 5 days | |
| MGL7B1.5L15K20 | 7.1 | 1.5 | 2.5 | 15 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGL7B1.5L22K20 | 7.1 | 1.5 | 2.5 | 22 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGL7B1.5L30K20 | 7.1 | 1.5 | 2.5 | 30 | K20 | SIM****H7 | £30.75 | 5 days | |
| MGL7B2.0L15K20 | 7.1 | 2 | 2.5 | 15 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGL7B2.0L22K20 | 7.1 | 2 | 2.5 | 22 | K20 | SIM****H7 | £27.97 | 5 days | |
| MGL7B2.0L30K20 | 7.1 | 2 | 2.5 | 30 | K20 | SIM****H7 | £30.75 | 5 days | |
| MGL8B1.0L22K20 | 8.1 | 1 | 1.7 | 22 | K20 | SIM****H8 | £28.56 | 5 days | |
| MGL8B1.5L22K20 | 8.1 | 1.5 | 1.7 | 22 | K20 | SIM****H8 | £28.56 | 5 days | |
| MGL8B2.0L22K20 | 8.1 | 2 | 2.6 | 22 | K20 | SIM****H8 | £28.56 | 5 days | |
| MGL8B2.38L15K20 | 8.1 | 2.38 | 2.6 | 15 | K20 | SIM****H8 | £28.50 | 5 days | |
| MGL8B2.38L22K20 | 8.1 | 2.38 | 2.6 | 22 | K20 | SIM****H8 | £28.50 | 5 days |
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