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Carmex Carbide Tiny Tool - Thread Relief, Chamfering & Grooving - MDR - BMK Grade - 5.1mm Minimum Diameter x 1.2mm Reach x R0.5
| Application | Thread Relief Chamfering & Grooving (MDR) |
| Groove Depth (L1) | 24 |
| Minimum Diameter | 5.1 |
| Reach (H) | 1.2 |
| Radius (R) | 0.5 |
| L | 51 |
Learn more about Klarna
The Carmex Carbide Tiny Tool is a compact, precision cutting solution designed specifically for small-thread relief, chamfering, and grooving tasks. Ideal for engineers, machinists, hobbyists, and assembly technicians working with tiny components, it delivers accurate cuts in tight spaces. Built to MDR specifications with BMK-grade carbide, this tool combines sharp performance with durable longevity, making it a dependable choice for delicate micro-machining. It features a 5.1 mm minimum diameter, 1.2 mm reach, and an R0.5 corner radius to tackle fine details with confidence.
- Tiny-diameter precision for minute features: Delivers accurate thread relief, chamfers, and grooves on tiny parts even in tight spaces, helping you achieve clean, consistent finishes without over-cutting.
- BMK-grade carbide for long wear life: Premium carbide offers exceptional hardness and wear resistance, maintaining sharp cutting edges over many cycles and reducing tool-change intervals.
- Multi-function micro-tool for thread relief, chamfering & grooving: Designed to cover three common micro-machining operations in a single tool, simplifying setup, reducing tool inventory, and ensuring reliable results across applications.
This tool accelerates micro-machining workflows by enabling precise, repeatable cuts on small parts. Its durable carbide and compact geometry help you minimize rework, shorten cycle times, and achieve high-quality finishes on delicate components—every job with predictable, dependable performance.
| Application | Thread Relief Chamfering & Grooving (MDR) |
| Groove Depth (L1) | 24 |
| Minimum Diameter | 5.1 |
| Reach (H) | 1.2 |
| Radius (R) | 0.5 |
| L | 51 |
| B | 1.5 |
| F | 2.3 |
| D | 5.0 |
| Grade | BMK |
| Holder | SIM****H5 |
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 BMK (MDR)
View full collection →You are viewing MDR5R0.5L24BMK. Click any other SKU to view its full details.
| Product SKU | Groove Depth | Minimum Diameter | Reach | Radius | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MDR4R0.5L18BMK | 18 | 4.1 | 0.8 | 0.5 | BMK | SIM****H4 | £26.03 | 5 days | |
| MDR5R0.5L24BMK Viewing | 24 | 5.1 | 1.2 | 0.5 | BMK | SIM****H5 | £30.38 | 5 days | |
| MDR6R0.5L27BMK | 27 | 6.1 | 1.4 | 0.5 | BMK | SIM****H6 | £35.65 | 5 days | |
| MDL4R0.5L18BMK | 18 | 4.1 | 0.8 | 0.5 | BMK | SIM****H4 | £26.03 | 5 days | |
| MDL5R0.5L24BMK | 24 | 5.1 | 1.2 | 0.5 | BMK | SIM****H5 | £30.38 | 5 days | |
| MDL6R0.5L27BMK | 27 | 6.1 | 1.4 | 0.5 | BMK | SIM****H6 | £35.65 | 5 days |
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