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

Carmex Carbide Tiny Tool - Deep Face Grooving - MVR - BMK Grade - 15mm Minimum Diameter x 3mm Groove Width x 43mm Groove Depth
| Application | Deep Face Grooving (MVR) |
| Minimum Diameter | 15 |
| Groove Width (B) | 3 |
| Groove Depth (L1) | 43 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.Description
The Carmex Carbide Tiny Tool is a solid carbide bar engineered specifically for deep face grooving. With a practical footprint of 15 mm minimum diameter, a 3 mm groove width, and a 43 mm groove depth, it enables deep cuts in a single setup for faster, more consistent grooves. This BMK-grade option uses sub-micron carbide and an advanced PVD triple coating to deliver reliable performance across a range of materials.
- BMK Grade with PVD Triple Coating: Sub-micron carbide with an advanced PVD triple coating provides exceptional heat resistance and a smooth cutting action, helping maintain edge quality and consistent results through demanding grooving tasks.
- Optimized Deep Face Grooving Geometry: Designed for deep grooves with precise dimensions (15 mm min diameter, 3 mm groove width, 43 mm groove depth), enabling efficient material removal and fewer passes for faster cycles.
- General-Purpose, Reliable Performance: Built for versatility across materials, offering dependable cutting performance and long tool life in a wide range of grooving applications.
This tool supports smoother workflows by delivering stable cuts, reducing setup time, and producing repeatable, high-quality grooves. Whether you’re optimizing production runs or tackling precision grooves in varied materials, the Carmex Carbide Tiny Tool provides a confident, consistent result every time.
Part Numbers
- Protool Part Number
- MVR8B3.0L43BMK
- 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 MVR8B3.0L43BMK. 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 Viewing | 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 | 20 | 4 | 43 | 0.2 | BMK | SIM****H8 | £101.65 | 5 days |
No products match your filters.







