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Carmex Carbide Tiny Tool - Grooving - MGR - K20 Grade - Minimum Diameter 8.1mm x 2.38mm Groove Width x 15mm Reach
SKU:MGR8B2.38L15K20
The Carmex Carbide Tiny Tool - Grooving (MGR) is a precision carbide cutting tool designed for small grooving applications. Its compact design makes it ideal for creating accurate grooves on tiny...
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| Application | Grooving (MGR) |
| Minimum Diameter | 8.1 |
| Groove Width (B) | 2.38 |
| Groove Depth (H) | 2.6 |
| Reach (L1) | 15 |
| L | 64 |
£28.56
Prices shown ex. VAT
5 days estimated lead time
— subject to availability
View Other Sizes →
Free delivery over £50 ex VAT
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14-day returns
30+ years expertise
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Learn more about Klarna
The Carmex Carbide Tiny Tool - Grooving (MGR) is a precision carbide cutting tool designed for small grooving applications. Its compact design makes it ideal for creating accurate grooves on tiny parts and components, delivering consistent results in tight spaces.
- Ultra-compact geometry for tiny parts: With a minimum diameter of 8.1 mm, groove width of 2.38 mm, and a 15 mm reach, this tool fits into tight cavities and positions grooves precisely where you need them.
- K20-grade carbide for durability: Premium carbide construction delivers exceptional wear resistance, helping you achieve longer tool life and reliable cutting performance even in demanding workloads.
- Broad machine compatibility: Designed to integrate with a wide range of machines and systems, enabling quick setup and seamless adoption across different setups and applications.
Whether you’re prototyping small components or running precision grooves in production, this Tiny Tool delivers clean, repeatable results with less setup effort and fewer tool changes. Its durable carbide and compact geometry help you improve throughput, reduce rework, and maintain close tolerances across a variety of small-grooving tasks.
| Application | Grooving (MGR) |
| Minimum Diameter | 8.1 |
| Groove Width (B) | 2.38 |
| Groove Depth (H) | 2.6 |
| Reach (L1) | 15 |
| L | 64 |
| F | 3.8 |
| D | 8.0 |
| Grade | K20 |
| Holder | SIM****H8 |
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.
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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Full Range: Carmex Carbide Tiny Tools - Grooving - Grade K20 (MGR)
View full collection →You are viewing MGR8B2.38L15K20. 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 | 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 Viewing | 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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