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Carmex Carbide Tiny Tool - Deep Face Grooving - MVL - K20 Grade - 20mm Minimum Diameter x 4mm Groove Width x 43mm Groove Depth (Left Hand)
| Application | Deep Face Grooving (MVL) |
| Minimum Diameter | 20 |
| Groove Width (B) | 4 |
| Groove Depth (L1) | 43 |
| Radius (R) | 0.2 |
| L | 80 |
Learn more about Klarna
Carmex Carbide Tiny Tool is a solid carbide bar engineered for deep face grooving tasks. Designed for engineers, machinists, buyers, tradespeople, hobbyists, and production shops, this MVL–K20 grade tool delivers dependable performance for challenging groove profiles.
With a minimum diameter of 20 mm, a 4 mm groove width, and a groove depth capability of 43 mm, it provides the geometry you need to create deep, precise grooves in a range of materials. Built for consistent results, the tool maintains cutting stability throughout the operation and pairs well with standard fixtures and setups.
- Deep face grooving capability: Capable of groove depths up to 43 mm, enabling deep profiles with reliable stability in demanding grooves.
- K20 grade solid carbide: Delivers high hardness and wear resistance for durable, consistent cutting performance in tough grooving applications.
- Compact, precise geometry: 20 mm minimum diameter and 4 mm groove width provide tight, repeatable groove dimensions and stable cuts in constrained setups.
This tool supports reliable, repeatable groove results, helping you maintain production quality and reduce rework. Its durable carbide construction and purpose-built geometry equip you to tackle deep grooving tasks with confidence, delivering steady performance across a variety of materials and setups.
| Application | Deep Face Grooving (MVL) |
| Minimum Diameter | 20 |
| Groove Width (B) | 4 |
| Groove Depth (L1) | 43 |
| Radius (R) | 0.2 |
| L | 80 |
| F | 2.1 |
| 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.
Full Range: Carmex Carbide Tiny Tools - Deep Face Grooving - Grade K20 (MVR)
View full collection →You are viewing MVL8B4.0L43K20. Click any other SKU to view its full details.
| Product SKU | Minimum Diameter | Groove Width | Groove Depth | Radius | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MVR6B2.5L15K20 | 10 | 2.5 | 15 | 0.2 | K20 | SIM****H6 | £45.43 | 5 days | |
| MVR8B3.0L27K20 | 15 | 3 | 27 | 0.2 | K20 | SIM****H8 | £73.10 | 5 days | |
| MVR6B2.0L22K20 | 12 | 2 | 22 | 0.2 | K20 | SIM****H6 | £57.53 | 5 days | |
| MVR8B4.0L43K20 | 20 | 4 | 43 | 0.2 | K20 | SIM****H8 | £87.80 | 5 days | |
| MVR6B2.0L10K20 | 10 | 2 | 10 | 0.2 | K20 | SIM****H6 | £53.75 | 5 days | |
| MVR8B3.0L43K20 | 15 | 3 | 43 | 0.2 | K20 | SIM****H8 | £87.80 | 5 days | |
| MVR6B2.0L15K20 | 12 | 2 | 15 | 0.2 | K20 | SIM****H6 | £53.75 | 5 days | |
| MVR6B3.0L22K20 | 10 | 3 | 22 | 0.2 | K20 | SIM****H6 | £57.53 | 5 days | |
| MVR6B2.5L22K20 | 12 | 2.5 | 22 | 0.2 | K20 | SIM****H6 | £57.53 | 5 days | |
| MVL6B2.0L10K20 | 10 | 2 | 10 | 0.2 | K20 | SIM****H6 | £45.43 | 5 days | |
| MVL6B2.0L15K20 | 12 | 2 | 15 | 0.2 | K20 | SIM****H6 | £45.43 | 5 days | |
| MVL6B2.0L22K20 | 12 | 2 | 22 | 0.2 | K20 | SIM****H6 | £48.60 | 5 days | |
| MVL6B2.5L15K20 | 10 | 2.5 | 15 | 0.2 | K20 | SIM****H6 | £45.43 | 5 days | |
| MVL6B2.5L22K20 | 12 | 2.5 | 22 | 0.2 | K20 | SIM****H6 | £48.60 | 5 days | |
| MVL6B3.0L22K20 | 10 | 3 | 22 | 0.2 | K20 | SIM****H6 | £48.60 | 5 days | |
| MVL8B3.0L27K20 | 15 | 3 | 27 | 0.2 | K20 | SIM****H8 | £73.10 | 5 days | |
| MVL8B3.0L43K20 | 15 | 3 | 43 | 0.2 | K20 | SIM****H8 | £74.20 | 5 days | |
| MVL8B4.0L43K20 Viewing | 20 | 4 | 43 | 0.2 | K20 | SIM****H8 | £87.80 | 5 days |
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