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Carmex Carbide Tiny Tool - Chamfer & Boring - MCR - K20 Grade - 4.1mm Minimum Diameter x 15mm Reach
| Application | Chamfer & Boring (MCR) |
| Minimum Diameter | 4.1 |
| Reach (L1) | 15 |
| Radius (R) | 0.2 |
| Chamfer Depth (H1) | 0.4 |
| L | 51 |
Learn more about Klarna
The Carmex Carbide Tiny Tool (MCR) is a precision cutting tool designed for small chamfering and boring tasks. Built for tight spaces, it features a 4.1 mm minimum diameter and 15 mm reach to tackle micro-scale chamfers and bores on small parts. Made from premium K20-grade carbide, it delivers long-lasting durability and wear resistance for a range of users from engineers to hobbyists who need accurate edge prep on miniature components.
- Ultrasmall size for tight spots: The 4.1 mm minimum diameter and 15 mm reach let you chamfer and bore tiny features without removing the part from the setup, saving time and improving accuracy.
- Premium K20 carbide for long tool life: High-strength, wear-resistant carbide maintains sharpness and accuracy across many cycles, reducing tool changes and downtime.
- Optimized geometry for consistent finishes: Specialized shape supports clean chamfers and precise bores, delivering repeatable results on small components.
The Carmex Tiny Tool combines compact size, durable carbide, and a purpose-built geometry to deliver reliable, repeatable chamfers and bores on small parts. Use it to speed setup on micro-machining tasks, achieve cleaner edges, and reduce rework, helping your shop stay efficient and productive.
| Application | Chamfer & Boring (MCR) |
| Minimum Diameter | 4.1 |
| Reach (L1) | 15 |
| Radius (R) | 0.2 |
| Chamfer Depth (H1) | 0.4 |
| L | 51 |
| H | 0.8 |
| F | 1.7 |
| D | 4.0 |
| Grade | K20 |
| 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 - Chamfering & Boring - Grade K20 (MCR)
View full collection →You are viewing MCR4R0.2L15K20. Click any other SKU to view its full details.
| Product SKU | Minimum Diameter | Reach | Radius | Chamfer Depth | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MCR7R0.2L20K20 | 7.1 | 20 | 0.2 | 0.8 | K20 | SIM****H7 | £33.10 | 5 days | |
| MCR4R0.2L15K20 Viewing | 4.1 | 15 | 0.2 | 0.4 | K20 | SIM****H4 | £23.15 | 5 days | |
| MCR3R0.2L10K20 | 3.1 | 10 | 0.2 | 0.3 | K20 | SIM****H3 | £22.85 | 5 days | |
| MCR5R0.2L15K20 | 5.1 | 15 | 0.2 | 0.7 | K20 | SIM****H5 | £23.65 | 5 days | |
| MCR6R0.2L15K20 | 6.1 | 15 | 0.2 | 0.7 | K20 | SIM****H6 | £24.20 | 5 days | |
| MCL3R0.2L10K20 | 3.1 | 10 | 0.2 | 0.3 | K20 | SIM****H3 | £22.85 | 5 days | |
| MCL4R0.2L15K20 | 4.1 | 15 | 0.2 | 0.4 | K20 | SIM****H4 | £23.15 | 5 days | |
| MCL5R0.2L15K20 | 5.1 | 15 | 0.2 | 0.7 | K20 | SIM****H5 | £23.65 | 5 days | |
| MCL6R0.2L15K20 | 6.1 | 15 | 0.2 | 0.7 | K20 | SIM****H6 | £24.20 | 5 days | |
| MCL7R0.2L20K20 | 7.1 | 20 | 0.2 | 0.8 | K20 | SIM****H7 | £33.10 | 5 days |
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