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Carmex Carbide Tiny Tool - Grooving - MGR - BMK Grade - Minimum Diameter 4.1mm x 0.5mm Groove Width x 15mm Reach
| Application | Grooving (MGR) |
| Minimum Diameter | 4.1 |
| Groove Width (B) | 0.5 |
| Groove Depth (H) | 0.5 |
| Reach (L1) | 15 |
| L | 51 |
Learn more about Klarna
The Carmex Carbide Tiny Tool - Grooving - MGR (BMK Grade) is a precision carbide cutting tool engineered for micro grooving on small parts. Its compact geometry — minimum diameter 4.1 mm, groove width 0.5 mm, and reach 15 mm — lets you create clean, accurate grooves in tight workpieces where larger tools can’t reach.
Built from premium-grade carbide, it delivers exceptional wear resistance and long tool life. The tool’s blue-painted shank provides easy handling during setup and changes, and the BMK Grade designation signals reliable performance across a wide range of machines.
- Micro-grooving precision: The small geometry enables accurate grooves on micro-scale features with a 4.1 mm minimum diameter, 0.5 mm groove width, and 15 mm reach, helping you profile tiny parts in fewer passes.
- Premium BMK carbide for durability: BMK-grade carbide offers superior wear resistance, extended tool life, and consistent cutting performance across jobs.
- Broad compatibility and easy setup: Designed to fit a wide range of machine tools and setups, it installs quickly, minimizes downtime, and reduces tool-change interruptions during production runs.
With the Carmex Tiny Tool, you can tackle micro grooves quickly, reliably, and with repeatable results. The combination of precise geometry and durable carbide reduces cycle times, improves surface finish, and lowers overall downtime by minimizing replacements. It’s a dependable choice for engineers, machinists, and hobbyists who demand precision in small-scale components.
| Application | Grooving (MGR) |
| Minimum Diameter | 4.1 |
| Groove Width (B) | 0.5 |
| Groove Depth (H) | 0.5 |
| Reach (L1) | 15 |
| L | 51 |
| F | 1.7 |
| D | 4.0 |
| Grade | BMK |
| 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 - Grooving - Grade BMK (MGR)
View full collection →You are viewing MGR4B0.5L15BMK. 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 Viewing | 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 | 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 |
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