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Carmex Carbide Tiny Tool - Thread Relief, Chamfering & Grooving - MDR - K20 Grade - 6.1mm Minimum Diameter x 1.4mm Reach x R0.5
| Application | Thread Relief Chamfering & Grooving (MDR) |
| Groove Depth (L1) | 27 |
| Minimum Diameter | 6.1 |
| Reach (H) | 1.4 |
| Radius (R) | 0.5 |
| L | 58 |
Learn more about Klarna
The Carmex Carbide Tiny Tool (MDR) is a compact cutting solution designed for small thread relief, chamfering, and grooving on miniature parts. With a 6.1 mm minimum diameter, 1.4 mm reach, and an R0.5 tip radius, it delivers precise starts and clean finishes in tight spaces. Ideal for engineers, machinists, hobbyists, and technicians, this tool provides reliable, repeatable performance when precision counts.
- Compact precision for small parts: Delivers accurate thread relief, chamfering, and grooving on miniature components with minimal setup, enabling tight tolerances without risking damage to delicate features.
- Premium carbide durability: Crafted from high-grade carbide for long tool life, exceptional wear resistance, and consistently sharp cuts that reduce replacement frequency.
- Optimized geometry for controlled cuts: Specific 6.1 mm minimum diameter, 1.4 mm reach, and an R0.5 tip radius to produce smooth, burr-free finishes in confined work areas.
By combining compact size with durable carbide and thoughtfully engineered geometry, the Carmex Tiny Tool accelerates small-part workflows, minimizes rework, and delivers dependable results across threading, chamfering, and grooving tasks.
| Application | Thread Relief Chamfering & Grooving (MDR) |
| Groove Depth (L1) | 27 |
| Minimum Diameter | 6.1 |
| Reach (H) | 1.4 |
| Radius (R) | 0.5 |
| L | 58 |
| B | 1.5 |
| F | 2.8 |
| D | 5.0 |
| Grade | K20 |
| Holder | SIM****H6 |
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 K20 (MDR)
View full collection →You are viewing MDR6R0.5L27K20. Click any other SKU to view its full details.
| Product SKU | Groove Depth | Minimum Diameter | Reach | Radius | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MDR6R0.5L27K20 Viewing | 27 | 6.1 | 1.4 | 0.5 | K20 | SIM****H6 | £30.73 | 5 days | |
| MDR5R0.5L24K20 | 24 | 5.1 | 1.2 | 0.5 | K20 | SIM****H5 | £26.23 | 5 days | |
| MDR4R0.5L18K20 | 18 | 4.1 | 0.8 | 0.5 | K20 | SIM****H4 | £22.48 | 5 days | |
| MDL4R0.5L18K20 | 18 | 4.1 | 0.8 | 0.5 | K20 | SIM****H4 | £22.48 | 5 days | |
| MDL5R0.5L24K20 | 24 | 5.1 | 1.2 | 0.5 | K20 | SIM****H5 | £26.23 | 5 days | |
| MDL6R0.5L27K20 | 27 | 6.1 | 1.4 | 0.5 | K20 | SIM****H6 | £30.73 | 5 days |
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