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Carmex Carbide Tiny Tool - Face Grooving - MFL - Grade TNX - 8mm Minimum Diameter x 3mm Groove Width
| Application | Face Grooving (MFL) |
| Minimum Diameter | 8 |
| Groove Width (B) | 3 |
| Groove Depth (T) | 6 |
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The ones our customers buy most.Description
Carmex Carbide Tiny Tool - Face Grooving is a solid carbide bar designed specifically for face grooving tasks. As part of the Tiny Tools family, it delivers straight grooves with tight tolerances, making it ideal for precision faces on a wide range of materials. Whether you’re a professional machinist, an engineer, or a hobbyist, this tool helps you achieve clean, repeatable grooves that fit precisely with minimal finishing.
Built for reliability in busy shops, this tool emphasizes predictable performance and easy setup, so you can trust it to deliver consistent results across jobs without unexpected wear or chatter.
- Produces straight grooves for clean faces: Specifically engineered for face grooving, this tool cuts true straight grooves every time, reducing post-processing and ensuring proper seating and fit.
- Durable TNX carbide grade for long life: The TNX grade solid carbide offers excellent wear resistance and toughness, helping you complete more parts between tool changes and minimize downtime.
- Optimized for 8 mm minimum diameter and 3 mm groove width: Designed to match common 8 mm minimum diameter applications with a 3 mm groove width, delivering repeatable geometry and easier setup for consistent results.
Using this Tiny Tool for face grooving streamlines your workflow—straight grooves reduce finishing time, improve seating accuracy, and lower the risk of part rejection. The combination of durable carbide and precise geometry supports reliable performance on demanding jobs, helping you achieve higher quality finishes and more efficient production.
Part Numbers
- Protool Part Number
- MFL6B3.0L30TNX
- 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 - Face Grooving - Grade TNX (MFR)
View full collection →You are viewing MFL6B3.0L30TNX. Click any other SKU to view its full details.
| Product SKU | Minimum Diameter | Groove Width | Groove Depth | Reach | Radius | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|---|
| MFL6B1.0L22TNX | 8 | 1 | 1.5 | 22 | 0.1 | TNX | SIM****H6 | £28.60 | 5 days | |
| MFL6B2.0L22TNX | 8 | 2 | 3 | 22 | 0.1 | TNX | SIM****H6 | £28.60 | 5 days | |
| MFL6B3.0L30TNX Viewing | 8 | 3 | 6 | 30 | 0.1 | TNX | SIM****H6 | £30.00 | 5 days | |
| MFL6B1.5L22TNX | 8 | 1.5 | 2.5 | 22 | 0.1 | TNX | SIM****H6 | £28.60 | 5 days | |
| MZR6R0.5L22TNX | 8 | 1 | 1.2 | 22 | TNX | SIM****H6 | £28.60 | 5 days | ||
| MZR4R0.5L15TNX | 5 | 1 | 1.2 | 15 | TNX | SIM****H4 | £24.78 | 5 days | ||
| MZR6R0.75L22TNX | 8 | 1.5 | 1.5 | 22 | TNX | SIM****H6 | £28.60 | 5 days | ||
| MZR6R1.0L22TNX | 8 | 2 | 2.5 | 22 | TNX | SIM****H6 | £28.60 | 5 days | ||
| MZL6R1.0L22TNX | 8 | 2 | 2.5 | 22 | TNX | SIM****H6 | £28.60 | 5 days | ||
| MZL6R0.5L22TNX | 8 | 1 | 1.2 | 22 | TNX | SIM****H6 | £28.60 | In Stock | ||
| MIR6L22A55TNX | (0.5-1.5mm) (48-16 TPI) | 6 | 22 | TNX | SIM****H6 | £27.65 | 5 days | |||
| MIR6L15A55TNX | (0.5-1.5mm) (48-16 TPI) | 6 | 15 | TNX | SIM****H6 | £26.30 | 5 days | |||
| MIR5L15A60TNX | (1.0-1.25mm) (24-20 TPI) | 5.1 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |||
| MIR5L22A60TNX | (1.0-1.25mm) (24-20 TPI) | 5.1 | 22 | TNX | SIM****H6 | £27.05 | 5 days | |||
| MIR6L15A60TNX | (1.0-1.5mm) (24-16 TPI) | 6 | 15 | TNX | SIM****H6 | £26.30 | 5 days | |||
| MIR4L15A60TNX | (0.8-1.0mm) (32-24 TPI) | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |||
| MIR6L22A60TNX | (1.0-1.5mm) (24-16 TPI) | 6 | 22 | TNX | SIM****H6 | £27.65 | 5 days | |||
| MIR8L22A60TNX | (1.0-2.0mm) (24-13 TPI) | 8 | 22 | TNX | SIM****H8 | £31.63 | 5 days | |||
| MIR5L151.0ISOTNX | 1 | 4.9 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |||
| MIR6L221.25ISOTNX | 1.25 | 6.1 | 22 | TNX | SIM****H6 | £27.65 | 5 days | |||
| MIR4L150.5ISOTNX | 0.5 | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |||
| MIR4L150.75ISOTNX | 0.75 | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |||
| MIR5L1528UNTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |||
| MIR3L1532UNTNX | 32 | 3.2 | 15 | TNX | SIM****H3 | £25.30 | 5 days | |||
| MIR6L1527NPTTNX | 27 | 5.9 | 15 | 1/16 X 27NPT | 1/8 X 27NPT | TNX | SIM****H6 | £26.30 | 5 days | |
| MIR8L3010ACMETNX | 10 | 10 | 30 | TNX | SIM****H8 | £44.58 | 5 days | |||
| MIR7L252TRTNX | 2 | 6.9 | 25 | TR9X2 | TR10X2 | TR11X2 | TR12X2 | £38.83 | 5 days | |
| MIR7L353TRTNX | 3 | 7.5 | 35 | TR11X3 | TR12X3 | TNX | SIM****H7 | £42.65 | In Stock | |
| MIR5L1528UNJTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £25.35 | 5 days | |||
| MIR6L1728WTNX | 28 | 6.5 | 17 | TNX | SIM****H6 | £30.28 | 5 days | |||
| MIL3L1532UNTNX | 32 | 3.2 | 15 | TNX | SIM****H3 | £25.30 | 5 days | |||
| MIL4L150.5ISOTNX | 0.5 | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |||
| MIL4L150.75ISOTNX | 0.75 | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |||
| MIL4L15A60TNX | (0.8-1.0mm) (32-24 TPI) | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |||
| MIL5L151.0ISOTNX | 1 | 4.9 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |||
| MIL5L1528UNJTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £25.35 | 5 days | |||
| MIL5L1528UNTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |||
| MIL5L15A60TNX | (1.0-1.25mm) (24-20 TPI) | 5.1 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |||
| MIL5L22A60TNX | (1.0-1.25mm) (24-20 TPI) | 5.1 | 22 | TNX | SIM****H6 | £27.05 | 5 days | |||
| MIL6L1527NPTTNX | 27 | 5.9 | 15 | 1/16 X 27NPT | 1/8 X 27NPT | TNX | SIM****H6 | £26.30 | 5 days | |
| MIL6L15A55TNX | (0.5-1.5mm) (48-16 TPI) | 6 | 15 | TNX | SIM****H6 | £26.30 | 5 days | |||
| MIL6L15A60TNX | (1.0-1.5mm) (24-16 TPI) | 6 | 15 | TNX | SIM****H6 | £26.30 | 5 days | |||
| MIL6L1728WTNX | 28 | 6.5 | 17 | TNX | SIM****H6 | £30.28 | 5 days | |||
| MIL6L221.25ISOTNX | 1.25 | 6.1 | 22 | TNX | SIM****H6 | £27.68 | 5 days | |||
| MIL6L22A55TNX | (0.5-1.5mm) (48-16 TPI) | 6 | 22 | TNX | SIM****H6 | £27.68 | 5 days | |||
| MIL6L22A60TNX | (1.0-1.5mm) (24-16 TPI) | 6 | 22 | TNX | SIM****H6 | £27.68 | 5 days | |||
| MIL7L252TRTNX | 2 | 6.9 | 25 | TR9X2 | TR10X2 | TR11X2 | TR12X2 | £38.83 | 5 days | |
| MIL7L353TRTNX | 3 | 7.5 | 35 | TR11X3 | TR12X3 | TNX | SIM****H7 | £42.68 | 5 days | |
| MIL8L22A60TNX | (1.0-2.0mm) (24-13 TPI) | 8 | 22 | TNX | SIM****H8 | £31.63 | 5 days | |||
| MIL8L3010ACMETNX | 10 | 10 | 30 | TNX | SIM****H8 | £44.58 | 5 days |
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