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Carmex Carbide Tiny Tool - Thread Relief, Chamfering & Grooving - MDL - TNX Grade - 4.1mm Minimum Diameter x 0.8mm Reach x R0.5 (Left Hand)
| Application | Thread Relief Chamfering & Grooving (MDL) |
| Groove Depth (L1) | 18 |
| Minimum Diameter | 4.1 |
| Reach (H) | 0.8 |
| Radius (R) | 0.5 |
| L | 51 |
Learn more about Klarna
The Carmex Carbide Tiny Tool (MDL) is a compact carbide cutting tool engineered for small thread relief, chamfering and grooving. Its precise tip and short reach make it ideal for finishing tiny threads and delicate features on small parts.
crafted from premium TNX-grade carbide, it delivers durability and wear resistance for repetitive, high-accuracy cuts. With a 4.1 mm minimum diameter, 0.8 mm reach, and an R0.5 left-hand edge, it fits tight spaces while delivering reliable results.
- Precision for small threads: Enables accurate thread relief, chamfering and grooving on tiny features, helping you achieve clean profiles and tight tolerances with minimal tool deflection.
- Premium TNX grade carbide: Provides excellent wear resistance and rigidity, extending tool life in demanding materials and reducing the need for frequent replacements.
- Left-hand, compact geometry: An optimized left-hand cutting edge and compact reach allow access to confined areas, delivering consistent cuts in hard-to-reach spots and reducing setup time.
This tiny tool helps streamline your workflow by delivering reliable, repeatable results on small components. It supports quicker setup, fewer rework cycles, and improved part quality, making it a dependable choice for engineers, machinists, and hobbyists working with compact assemblies.
| Application | Thread Relief Chamfering & Grooving (MDL) |
| Groove Depth (L1) | 18 |
| Minimum Diameter | 4.1 |
| Reach (H) | 0.8 |
| Radius (R) | 0.5 |
| L | 51 |
| B | 1.5 |
| F | 1.8 |
| D | 4.0 |
| Grade | TNX |
| 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.
Full Range: Carmex Carbide Tiny Tools - Thread Relief, Chamfering & Grooving - Grade TNX (MDR)
View full collection →You are viewing MDL4R0.5L18TNX. Click any other SKU to view its full details.
| Product SKU | Groove Depth | Minimum Diameter | Reach | Radius | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MDR6R0.5L27TNX | 27 | 6.1 | 1.4 | 0.5 | TNX | SIM****H6 | £32.85 | 5 days | |
| MDR4R0.5L18TNX | 18 | 4.1 | 0.8 | 0.5 | TNX | SIM****H4 | £24.05 | 5 days | |
| MDL4R0.5L18TNX Viewing | 18 | 4.1 | 0.8 | 0.5 | TNX | SIM****H4 | £24.08 | 5 days | |
| MDL6R0.5L27TNX | 27 | 6.1 | 1.4 | 0.5 | TNX | SIM****H6 | £32.85 | 5 days |
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