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Carmex Carbide Tiny Tool - Grooving - MGL - K20 Grade - Minimum Diameter 4.1mm x 1mm Groove Width x 22mm Reach (Left Hand)
SKU:MGL4B1.0L22K20
The Carmex Carbide Tiny Tool - Grooving (MGL) is a precision cutting tool designed for small grooving applications. Its specialized geometry enables accurate and precise grooving on tiny parts an...
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| Application | Grooving (MGL) |
| Minimum Diameter | 4.1 |
| Groove Width (B) | 1 |
| Groove Depth (H) | 1 |
| Reach (L1) | 22 |
| L | 51 |
£25.43
Prices shown ex. VAT
5 days estimated lead time
— subject to availability
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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 (MGL) is a precision cutting tool designed for small grooving applications. Its specialized geometry enables accurate and precise grooving on tiny parts and components, making it a reliable choice for intricate work across engineering, manufacturing, and hobby setups.
Built from premium-grade carbide (K20 grade), this tiny grooving tool delivers durability, strength, and wear resistance you can trust. It features a minimum diameter of 4.1 mm, a groove width of 1 mm, and a reach of 22 mm in a left-hand configuration, making it suitable for tight tolerances and compact work envelopes. The tool’s compact size and broad machine compatibility help it pair with a wide range of machines and systems.
- Precision for Small Grooves: Specialized geometry enables accurate and precise grooving operations on tiny parts, helping you achieve consistent results across small features.
- Durable Premium Carbide: Made from premium-grade carbide, delivering excellent durability, strength, and wear resistance for reliable performance over time.
- Broad Machine Compatibility: Designed to work with a wide range of machines and systems, reducing setup time and expanding usable applications.
This combination supports faster workflows, tighter tolerances, and dependable grooves on small components, enabling you to complete delicate, high-precision grooving tasks with confidence—whether in professional manufacturing, shop floors, or hobbyist workshops.
| Application | Grooving (MGL) |
| Minimum Diameter | 4.1 |
| Groove Width (B) | 1 |
| Groove Depth (H) | 1 |
| Reach (L1) | 22 |
| L | 51 |
| F | 1.7 |
| D | 4.0 |
| 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.
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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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Buying experience
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 MGL4B1.0L22K20. 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 | 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 Viewing | 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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