Please log in here to access all benefits, including promotional discounts and faster checkouts.

Carmex Carbide Tiny Tool - Grooving - MGR - BMK Grade - Minimum Diameter 8.1mm x 2.38mm Groove Width x 15mm Reach
| Application | Grooving (MGR) |
| Minimum Diameter | 8.1 |
| Groove Width (B) | 2 |
| Groove Depth (H) | 2.6 |
| Reach (L1) | 15 |
| L | 64 |
Learn more about Klarna
The Carmex Carbide Tiny Tool – Grooving (MGR) is a precision cutting tool designed for small groove operations. Its specialized geometry enables accurate, repeatable grooves on tiny parts and components, making it ideal for micro-machining tasks, quick prototypes, and compact assemblies where space is tight.
Manufactured from premium BMK-grade carbide, this tiny grooving tool offers exceptional durability, strength, and wear resistance. Its compact size supports easy handling and precise groove formation, with defined dimensions: minimum diameter 8.1 mm, groove width 2.38 mm, and reach 15 mm. It is compatible with a wide range of machines and systems, making it a versatile choice for diverse applications.
- Ultra-compact grooving geometry: Delivers clean, repeatable grooves on small parts with minimal tool deflection, helping you achieve tight tolerances even in intricate features.
- BMK-grade carbide durability: Premium carbide construction provides excellent wear resistance and long tool life in demanding micro-grooving tasks.
- Broad machine compatibility: Designed to work across a wide range of machines and systems, reducing setup time and simplifying integration into existing workflows.
Using the Carmex Tiny Tool delivers reliable, repeatable grooves with less downtime and faster cycle times. Its durable carbide, compact form, and versatile compatibility help you complete tight-groove tasks with confidence, improving overall workflow, part quality, and production efficiency.
| Application | Grooving (MGR) |
| Minimum Diameter | 8.1 |
| Groove Width (B) | 2 |
| Groove Depth (H) | 2.6 |
| Reach (L1) | 15 |
| L | 64 |
| F | 3.8 |
| D | 8.0 |
| Grade | BMK |
| 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.
Full Range: Carmex Carbide Tiny Tools - Grooving - Grade BMK (MGR)
View full collection →You are viewing MGR8B2.38L15BMK. Click any other SKU to view its full details.
| Product SKU | Minimum Diameter | Groove Width | Groove Depth | Reach | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MGR2B0.5L10BMK | 2.1 | 0.5 | 0.5 | 10 | BXC | SIM****H4 | £27.55 | 5 days | |
| MGR3B0.5L10BMK | 2.1 | 0.5 | 0.5 | 10 | BMK | SIM****H3 | £26.37 | 5 days | |
| MGR3B0.7L10BMK | 3.1 | 0.5 | 0.5 | 10 | BMK | SIM****H3 | £25.61 | 5 days | |
| MGR4B0.5L10BMK | 3.1 | 0.5 | 0.6 | 10 | BMK | SIM****H3 | £26.37 | In Stock | |
| MGR4B0.5L15BMK | 4.1 | 0.5 | 0.5 | 15 | BMK | SIM****H4 | £28.04 | 5 days | |
| MGR4B0.79L15BMK | 4.1 | 0.5 | 0.5 | 15 | BMK | SIM****H4 | £28.04 | 5 days | |
| MGR4B0.79L22BMK | 4.1 | 0.79 | 0.9 | 22 | BMK | SIM****H4 | £29.42 | 5 days | |
| MGR4B0.7L10BMK | 4.1 | 0.79 | 0.9 | 10 | BMK | SIM****H4 | £26.37 | 5 days | |
| MGR4B1.0L10BMK | 4.1 | 0.7 | 0.6 | 10 | BMK | SIM****H4 | £26.49 | 5 days | |
| MGR4B1.0L15BMK | 4.1 | 1 | 1 | 15 | BMK | SIM****H4 | £28.04 | 5 days | |
| MGR4B1.0L22BMK | 4.1 | 1 | 1 | 22 | BMK | SIM****H4 | £29.42 | 5 days | |
| MGR4B1.5L10BMK | 4.1 | 1 | 1 | 10 | BMK | SIM****H4 | £26.49 | In Stock | |
| MGR4B1.5L15BMK | 4.1 | 1.5 | 1 | 15 | BMK | SIM****H4 | £28.04 | 5 days | |
| MGR4B1.5L22BMK | 4.1 | 1.5 | 1 | 22 | BMK | SIM****H4 | £29.42 | 5 days | |
| MGR5B0.79L15BMK | 4.1 | 1.5 | 1 | 15 | BMK | SIM****H4 | £26.91 | 5 days | |
| MGR5B0.79L22BMK | 5.1 | 0.79 | 1 | 22 | BMK | SIM****H5 | £28.59 | 5 days | |
| MGR5B1.0L15BMK | 5.1 | 0.79 | 1 | 15 | BMK | SIM****H5 | £26.91 | 5 days | |
| MGR5B1.0L22BMK | 5.1 | 1 | 1.2 | 15 | BMK | SIM****H5 | £28.59 | 5 days | |
| MGR5B1.19L15BMK | 5.1 | 1 | 1.2 | 15 | BMK | SIM****H5 | £26.91 | 5 days | |
| MGR5B1.19L22BMK | 5.1 | 1.19 | 1.2 | 22 | BMK | SIM****H5 | £28.59 | 5 days | |
| MGR5B1.59L15BMK | 5.1 | 1.19 | 1.2 | 15 | BMK | SIM****H5 | £26.91 | 5 days | |
| MGR5B1.59L22BMK | 5.1 | 1.59 | 1.2 | 22 | BMK | SIM****H5 | £28.59 | 5 days | |
| MGR5B1.5L15BMK | 5.1 | 1.59 | 1.2 | 15 | BMK | SIM****H5 | £26.91 | 5 days | |
| MGR5B1.5L22BMK | 5.1 | 1.5 | 1.2 | 22 | BMK | SIM****H5 | £28.59 | In Stock | |
| MGR5B2.0L15BMK | 5.1 | 1.5 | 1.2 | 15 | BMK | SIM****H5 | £26.91 | 5 days | |
| MGR5B2.0L22BMK | 5.1 | 2 | 1.2 | 22 | BMK | SIM****H5 | £28.59 | In Stock | |
| MGR6B0.79L17BMK | 5.1 | 2 | 1.2 | 17 | BMK | SIM****H5 | £30.26 | 5 days | |
| MGR6B0.79L23BMK | 6.1 | 0.79 | 1.8 | 23 | BMK | SIM****H6 | £32.45 | 5 days | |
| MGR6B1.0L15BMK | 6.1 | 0.79 | 1.8 | 15 | BMK | SIM****H6 | £27.55 | 5 days | |
| MGR6B1.0L17BMK | 6.1 | 1 | 1.4 | 17 | BMK | SIM****H6 | £30.26 | 5 days | |
| MGR6B1.0L22BMK | 6.1 | 1 | 1.8 | 22 | BMK | SIM****H6 | £29.47 | 5 days | |
| MGR6B1.19L17BMK | 6.1 | 1 | 1.4 | 17 | BMK | SIM****H6 | £30.26 | 5 days | |
| MGR6B1.19L23BMK | 6.1 | 1.19 | 1.8 | 23 | BMK | SIM****H6 | £32.45 | 5 days | |
| MGR6B1.59L17BMK | 6.1 | 1.19 | 1.8 | 17 | BMK | SIM****H6 | £30.26 | 5 days | |
| MGR6B1.59L23BMK | 6.1 | 1.59 | 1.8 | 23 | BMK | SIM****H6 | £32.45 | 5 days | |
| MGR6B1.5L15BMK | 6.1 | 1.59 | 1.8 | 15 | BMK | SIM****H6 | £27.55 | In Stock | |
| MGR6B1.5L17BMK | 6.1 | 1.5 | 1.4 | 17 | BMK | SIM****H6 | £30.26 | 5 days | |
| MGR6B1.5L22BMK | 6.1 | 1.5 | 1.8 | 22 | BMK | SIM****H6 | £29.47 | 5 days | |
| MGR6B1.5L23BMK | 6.1 | 1.5 | 1.4 | 23 | BMK | SIM****H6 | £32.45 | 5 days | |
| MGR6B2.0L15BMK | 6.1 | 1.5 | 1.8 | 15 | BMK | SIM****H6 | £27.55 | 5 days | |
| MGR6B2.0L17BMK | 6.1 | 2 | 1.4 | 17 | BMK | SIM****H6 | £30.26 | 5 days | |
| MGR6B2.0L22BMK | 6.1 | 2 | 1.8 | 22 | BMK | SIM****H6 | £29.47 | 5 days | |
| MGR6B2.0L23BMK | 6.1 | 2 | 1.4 | 23 | BMK | SIM****H6 | £32.45 | 5 days | |
| MGR7B1.0L15BMK | 6.1 | 2 | 1.8 | 15 | BMK | SIM****H6 | £32.40 | 5 days | |
| MGR7B1.0L22BMK | 7.1 | 1 | 2.5 | 22 | BMK | SIM****H7 | £32.40 | 5 days | |
| MGR7B1.0L30BMK | 7.1 | 1 | 2.5 | 30 | BMK | SIM****H7 | £35.60 | 5 days | |
| MGR7B1.19L22BMK | 7.1 | 1 | 2.5 | 22 | BMK | SIM****H7 | £32.45 | In Stock | |
| MGR7B1.19L30BMK | 7.1 | 1.19 | 2.5 | 30 | BMK | SIM****H7 | £35.60 | 5 days | |
| MGR7B1.59L22BMK | 7.1 | 1.59 | 2.5 | 22 | BMK | SIM****H7 | £32.45 | 5 days | |
| MGR7B1.59L30BMK | 7.1 | 1.59 | 2.5 | 30 | BMK | SIM****H7 | £35.60 | 5 days | |
| MGR7B1.5L15BMK | 7.1 | 1.59 | 2.5 | 15 | BMK | SIM****H7 | £32.40 | 5 days | |
| MGR7B1.5L22BMK | 7.1 | 1.5 | 2.5 | 22 | BMK | SIM****H7 | £32.40 | 5 days | |
| MGR7B1.5L30BMK | 7.1 | 1.5 | 2.5 | 30 | BMK | SIM****H7 | £35.60 | 5 days | |
| MGR7B2.0L15BMK | 7.1 | 1.5 | 2.5 | 15 | BMK | SIM****H7 | £32.40 | 5 days | |
| MGR7B2.0L22BMK | 7.1 | 2 | 2.5 | 22 | BMK | SIM****H7 | £32.40 | 5 days | |
| MGR7B2.0L30BMK | 7.1 | 2 | 2.5 | 30 | BMK | SIM****H7 | £35.60 | 5 days | |
| MGR8B1.0L22BMK | 7.1 | 2 | 2.5 | 22 | BMK | SIM****H7 | £33.01 | In Stock | |
| MGR8B1.5L22BMK | 8.1 | 1 | 1.7 | 22 | BMK | SIM****H8 | £33.01 | 5 days | |
| MGR8B2.0L22BMK | 8.1 | 1.5 | 1.7 | 22 | BMK | SIM****H8 | £33.01 | 5 days | |
| MGR8B2.38L15BMK Viewing | 8.1 | 2 | 2.6 | 15 | BMK | SIM****H8 | £33.01 | 5 days | |
| MGR8B2.38L22BMK | 8.1 | 2.38 | 2.6 | 22 | BMK | SIM****H8 | £33.01 | 5 days | |
| MGL2B0.5L10BMK | 2.1 | 0.5 | 0.5 | 10 | BXC | SIM****H4 | £27.54 | 5 days | |
| MGL3B0.5L10BMK | 2.1 | 0.5 | 0.5 | 10 | BMK | SIM****H3 | £26.35 | 5 days | |
| MGL3B0.7L10BMK | 3.1 | 0.5 | 0.5 | 10 | BMK | SIM****H3 | £25.61 | 5 days | |
| MGL4B0.5L10BMK | 3.1 | 0.5 | 0.6 | 10 | BMK | SIM****H3 | £26.37 | 5 days | |
| MGL4B0.5L15BMK | 4.1 | 0.5 | 0.5 | 15 | BMK | SIM****H4 | £28.05 | 5 days | |
| MGL4B0.79L15BMK | 4.1 | 0.5 | 0.5 | 15 | BMK | SIM****H4 | £28.05 | 5 days | |
| MGL4B0.79L22BMK | 4.1 | 0.79 | 0.9 | 22 | BMK | SIM****H4 | £29.42 | 5 days | |
| MGL4B0.7L10BMK | 4.1 | 0.79 | 0.9 | 10 | BMK | SIM****H4 | £26.35 | 5 days | |
| MGL4B1.0L10BMK | 4.1 | 0.7 | 0.6 | 10 | BMK | SIM****H4 | £26.49 | 5 days | |
| MGL4B1.0L15BMK | 4.1 | 1 | 1 | 15 | BMK | SIM****H4 | £28.04 | 5 days | |
| MGL4B1.0L22BMK | 4.1 | 1 | 1 | 22 | BMK | SIM****H4 | £29.42 | 5 days | |
| MGL4B1.5L10BMK | 4.1 | 1 | 1 | 10 | BMK | SIM****H4 | £26.49 | 5 days | |
| MGL4B1.5L15BMK | 4.1 | 1.5 | 1 | 15 | BMK | SIM****H4 | £28.05 | 5 days | |
| MGL4B1.5L22BMK | 4.1 | 1.5 | 1 | 22 | BMK | SIM****H4 | £29.42 | 5 days | |
| MGL5B0.79L15BMK | 4.1 | 1.5 | 1 | 15 | BMK | SIM****H4 | £26.92 | 5 days | |
| MGL5B0.79L22BMK | 5.1 | 0.79 | 1 | 22 | BMK | SIM****H5 | £28.58 | 5 days | |
| MGL5B1.0L15BMK | 5.1 | 0.79 | 1 | 15 | BMK | SIM****H5 | £26.91 | 5 days | |
| MGL5B1.0L22BMK | 5.1 | 1 | 1.2 | 15 | BMK | SIM****H5 | £28.59 | 5 days | |
| MGL5B1.19L15BMK | 5.1 | 1 | 1.2 | 15 | BMK | SIM****H5 | £26.92 | 5 days | |
| MGL5B1.19L22BMK | 5.1 | 1.19 | 1.2 | 22 | BMK | SIM****H5 | £28.58 | 5 days | |
| MGL5B1.59L15BMK | 5.1 | 1.19 | 1.2 | 15 | BMK | SIM****H5 | £26.92 | 5 days | |
| MGL5B1.59L22BMK | 5.1 | 1.59 | 1.2 | 22 | BMK | SIM****H5 | £28.58 | 5 days | |
| MGL5B1.5L15BMK | 5.1 | 1.59 | 1.2 | 15 | BMK | SIM****H5 | £26.91 | 5 days | |
| MGL5B1.5L22BMK | 5.1 | 1.5 | 1.2 | 22 | BMK | SIM****H5 | £28.59 | 5 days | |
| MGL5B2.0L15BMK | 5.1 | 1.5 | 1.2 | 15 | BMK | SIM****H5 | £26.91 | 5 days | |
| MGL5B2.0L22BMK | 5.1 | 2 | 1.2 | 22 | BMK | SIM****H5 | £28.59 | 5 days | |
| MGL6B0.79L17BMK | 5.1 | 2 | 1.2 | 17 | BMK | SIM****H5 | £30.27 | 5 days | |
| MGL6B0.79L23BMK | 6.1 | 0.79 | 1.8 | 23 | BMK | SIM****H6 | £32.44 | 5 days | |
| MGL6B1.0L15BMK | 6.1 | 0.79 | 1.8 | 15 | BMK | SIM****H6 | £27.55 | 5 days | |
| MGL6B1.0L17BMK | 6.1 | 1 | 1.4 | 17 | BMK | SIM****H6 | £30.26 | 5 days | |
| MGL6B1.0L22BMK | 6.1 | 1 | 1.8 | 22 | BMK | SIM****H6 | £29.47 | 5 days | |
| MGL6B1.19L17BMK | 6.1 | 1 | 1.4 | 17 | BMK | SIM****H6 | £30.27 | 5 days | |
| MGL6B1.19L23BMK | 6.1 | 1.19 | 1.8 | 23 | BMK | SIM****H6 | £32.44 | 5 days | |
| MGL6B1.59L17BMK | 6.1 | 1.19 | 1.8 | 17 | BMK | SIM****H6 | £30.27 | 5 days | |
| MGL6B1.59L23BMK | 6.1 | 1.59 | 1.8 | 23 | BMK | SIM****H6 | £32.44 | 5 days | |
| MGL6B1.5L15BMK | 6.1 | 1.59 | 1.8 | 15 | BMK | SIM****H6 | £27.55 | 5 days | |
| MGL6B1.5L17BMK | 6.1 | 1.5 | 1.4 | 17 | BMK | SIM****H6 | £30.26 | 5 days | |
| MGL6B1.5L22BMK | 6.1 | 1.5 | 1.8 | 22 | BMK | SIM****H6 | £29.47 | 5 days | |
| MGL6B1.5L23BMK | 6.1 | 1.5 | 1.4 | 23 | BMK | SIM****H6 | £32.44 | 5 days | |
| MGL6B2.0L15BMK | 6.1 | 1.5 | 1.8 | 15 | BMK | SIM****H6 | £27.55 | 5 days | |
| MGL6B2.0L17BMK | 6.1 | 2 | 1.4 | 17 | BMK | SIM****H6 | £30.26 | 5 days | |
| MGL6B2.0L22BMK | 6.1 | 2 | 1.8 | 22 | BMK | SIM****H6 | £29.47 | 5 days | |
| MGL6B2.0L23BMK | 6.1 | 2 | 1.4 | 23 | BMK | SIM****H6 | £32.45 | 5 days | |
| MGL7B1.0L15BMK | 6.1 | 2 | 1.8 | 15 | BMK | SIM****H6 | £31.05 | 5 days | |
| MGL7B1.0L22BMK | 7.1 | 1 | 2.5 | 22 | BMK | SIM****H7 | £31.05 | 5 days | |
| MGL7B1.0L30BMK | 7.1 | 1 | 2.5 | 30 | BMK | SIM****H7 | £35.60 | 5 days | |
| MGL7B1.19L22BMK | 7.1 | 1 | 2.5 | 22 | BMK | SIM****H7 | £32.44 | 5 days | |
| MGL7B1.19L30BMK | 7.1 | 1.19 | 2.5 | 30 | BMK | SIM****H7 | £35.58 | 5 days | |
| MGL7B1.59L22BMK | 7.1 | 1.59 | 2.5 | 22 | BMK | SIM****H7 | £32.44 | 5 days | |
| MGL7B1.59L30BMK | 7.1 | 1.59 | 2.5 | 30 | BMK | SIM****H7 | £35.58 | 5 days | |
| MGL7B1.5L15BMK | 7.1 | 1.59 | 2.5 | 15 | BMK | SIM****H7 | £32.40 | 5 days | |
| MGL7B1.5L22BMK | 7.1 | 1.5 | 2.5 | 22 | BMK | SIM****H7 | £32.40 | 5 days | |
| MGL7B1.5L30BMK | 7.1 | 1.5 | 2.5 | 30 | BMK | SIM****H7 | £35.60 | 5 days | |
| MGL7B2.0L15BMK | 7.1 | 1.5 | 2.5 | 15 | BMK | SIM****H7 | £32.40 | 5 days | |
| MGL7B2.0L22BMK | 7.1 | 2 | 2.5 | 22 | BMK | SIM****H7 | £32.40 | 5 days | |
| MGL7B2.0L30BMK | 7.1 | 2 | 2.5 | 30 | BMK | SIM****H7 | £35.60 | 5 days | |
| MGL8B1.0L22BMK | 7.1 | 2 | 2.5 | 22 | BMK | SIM****H7 | £33.01 | 5 days | |
| MGL8B1.5L22BMK | 8.1 | 1 | 1.7 | 22 | BMK | SIM****H8 | £33.01 | 5 days | |
| MGL8B2.0L22BMK | 8.1 | 1.5 | 1.7 | 22 | BMK | SIM****H8 | £33.01 | 5 days | |
| MGL8B2.38L15BMK | 8.1 | 2 | 2.6 | 15 | BMK | SIM****H8 | £33.01 | 5 days | |
| MGL8B2.38L22BMK | 8.1 | 2.38 | 2.6 | 22 | BMK | SIM****H8 | £33.01 | 5 days |
No products match your filters.


