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Carmex Carbide Tiny Tool - Deep Face Grooving - MVL - BMK 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 |
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The ones our customers buy most.Description
The Carmex Carbide Tiny Tool for Deep Face Grooving is a precision solid carbide bar engineered specifically for deep groove machining. Its compact size and specialized geometry make it a practical choice for engineers, buyers, tradespeople, hobbyists, and operators who need clean, accurate grooves in demanding materials. Designed to deliver deep faces in a single pass, this tool helps reduce setup time and boost productivity on a wide range of machines.
Engineered with BMK grade and an advanced PVD triple coating, this tool offers exceptional heat resistance and a smooth cutting action. The ISO K10-K20 BMK coating provides durable performance across materials, including a wide range of stainless steels. Note: This product line doesn’t contain bars for Left-hand operations.
- BMK Grade with Advanced PVD Triple Coating: Sub-micron BMK grade with a triple-layer PVD coating delivers outstanding heat resistance and a smooth cut, extending tool life and ensuring consistent grooves across materials.
- Deep Face Grooving Capability in a Compact Form: 20 mm minimum diameter with 4 mm groove width and 43 mm groove depth enables deep grooves in a single pass, reducing cycle times and setup changes, especially on stainless steels.
- Rigid, Long-Lasting Solid Carbide Construction: The solid carbide design provides rigidity and durability for reliable, repeatable grooves and extended tool life in demanding applications.
This tool combines precision, durability, and efficiency to improve workflow and results. Its advanced coating and grade give you confident performance under heat and load, while the deep-groove geometry minimizes passes and downtime. Whether you’re refining a production process or tackling intricate groove work, this Carmex Tiny Tool is built to deliver consistent finishes, faster throughput, and dependable results across a variety of materials.
Part Numbers
- Protool Part Number
- MVL8B4.0L43BMK
- Brand
- Carmex
- Category
- Tiny Tool Inserts
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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 BMK (MVR)
View full collection →You are viewing MVL8B4.0L43BMK. Click any other SKU to view its full details.
| Product SKU | Minimum Diameter | Groove Width | Groove Depth | Radius | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MVR6B2.0L10BMK | 10 | 2 | 10 | 0.2 | BMK | SIM****H6 | £62.20 | 5 days | |
| MVR6B2.0L15BMK | 12 | 2 | 15 | 0.2 | BMK | SIM****H6 | £62.23 | 5 days | |
| MVR6B2.0L22BMK | 12 | 2 | 22 | 0.2 | BMK | SIM****H6 | £66.58 | In Stock | |
| MVR6B2.5L15BMK | 10 | 2.5 | 15 | 0.2 | BMK | SIM****H6 | £62.23 | 5 days | |
| MVR6B2.5L22BMK | 12 | 2.5 | 22 | 0.2 | BMK | SIM****H6 | £66.58 | 5 days | |
| MVR6B3.0L22BMK | 10 | 3 | 22 | 0.2 | BMK | SIM****H6 | £66.58 | 5 days | |
| MVR8B3.0L27BMK | 15 | 3 | 27 | 0.2 | BMK | SIM****H8 | £84.70 | 5 days | |
| MVR8B3.0L43BMK | 15 | 3 | 43 | 0.2 | BMK | SIM****H8 | £101.65 | 5 days | |
| MVR8B4.0L43BMK | 20 | 4 | 43 | 0.2 | BMK | SIM****H8 | £101.65 | 5 days | |
| MVL6B2.0L10BMK | 10 | 2 | 10 | 0.2 | BMK | SIM****H6 | £51.08 | 5 days | |
| MVL6B2.0L15BMK | 12 | 2 | 15 | 0.2 | BMK | SIM****H6 | £62.23 | 5 days | |
| MVL6B2.0L22BMK | 12 | 2 | 22 | 0.2 | BMK | SIM****H6 | £56.28 | 5 days | |
| MVL6B2.5L15BMK | 10 | 2.5 | 15 | 0.2 | BMK | SIM****H6 | £52.60 | 5 days | |
| MVL6B2.5L22BMK | 12 | 2.5 | 22 | 0.2 | BMK | SIM****H6 | £56.28 | 5 days | |
| MVL6B3.0L22BMK | 10 | 3 | 22 | 0.2 | BMK | SIM****H6 | £56.28 | 5 days | |
| MVL8B3.0L27BMK | 15 | 3 | 27 | 0.2 | BMK | SIM****H8 | £71.60 | 5 days | |
| MVL8B3.0L43BMK | 15 | 3 | 43 | 0.2 | BMK | SIM****H8 | £85.93 | 5 days | |
| MVL8B4.0L43BMK Viewing | 20 | 4 | 43 | 0.2 | BMK | SIM****H8 | £101.65 | 5 days |
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