Please log in here to access all benefits, including promotional discounts and faster checkouts.

Carmex Carbide Tiny Tool - Drill, Boring, Chamfer, Turning & Facing Tool (CMR) - Grade BMK - 4mm Drill Diameter x Reach 10mm
| Application | Drill Boring Chamfer Turning & Facing (CMR) |
| Hole Diameter | 4 |
| Reach (L1) | 10 |
| Radius (R) | 0.1 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.Description
The Carmex Carbide Tiny Tool is a compact, all-in-one cutting solution engineered for drilling, boring, chamfering, turning and facing in a single bar. With a 4 mm drill diameter and a reach of 10 mm, it excels at small features, tight pockets, and short overhangs, helping you reduce tool changes and shorten machining cycles.
Visible in the tool image is a blue-coated cutting portion paired with a robust silver shank, reflecting a design built for reliable, repeatable performance. This general-purpose Tiny Tool is suitable for a wide range of materials and applications, from hobbyist projects to professional manufacturing environments.
- Multi-task versatility: One tool handles drilling, boring, chamfering, turning and turning and facing tasks, reducing tool changes and shortening cycle times for faster production.
- Premium carbide and triple PVD coating: Sub-micron BMK carbide with an advanced triple coating (ISO K10-K20) delivers excellent wear resistance, high heat tolerance, and smooth cutting across materials.
- Optimized geometry for reliable performance: Carefully engineered cutting geometry provides stable, chatter-free operation in tight spaces, ensuring consistent finishes and longer tool life.
The Carmex Tiny Tool helps you streamline workflows by consolidating multiple operations into a single pass, reducing downtime and tool inventory while delivering reliable, repeatable results. Its high-heat resistance and durable coating support consistent performance from first cut to finish, making it a trusted choice for engineers, buyers, tradespeople, hobbyists, and workshop professionals alike.
Part Numbers
- Protool Part Number
- CMR4R0.1L10BMK
- 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 - Drill, Boring, Chamfer, Turning & Facing (CMR)
View full collection →You are viewing CMR4R0.1L10BMK. Click any other SKU to view its full details.
| Product SKU | Hole Diameter | Reach | Radius | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| CMR4R0.1L10BMK Viewing | 4 | 10 | 0.1 | BMK | SIM****H4 | £48.02 | 5 days | |
| CMR4R0.1L15BMK | 4 | 15 | 0.1 | BMK | SIM****H4 | £50.60 | In Stock | |
| CMR5R0.2L10BMK | 5 | 10 | 0.2 | BMK | SIM****H5 | £50.31 | 5 days | |
| CMR5R0.2L15BMK | 5 | 15 | 0.2 | BMK | SIM****H5 | £52.89 | 5 days | |
| CMR6R0.2L12BMK | 6 | 12 | 0.2 | BMK | SIM****H6 | £52.89 | In Stock | |
| CMR6R0.2L18BMK | 6 | 18 | 0.2 | BMK | SIM****H6 | £55.45 | In Stock | |
| CML4R0.1L10BMK | 4 | 10 | 0.1 | BMK | SIM****H4 | £48.02 | 5 days | |
| CML4R0.1L15BMK | 4 | 15 | 0.1 | BMK | SIM****H4 | £50.60 | 5 days | |
| CML5R0.2L10BMK | 5 | 10 | 0.2 | BMK | SIM****H5 | £50.31 | 5 days | |
| CML5R0.2L15BMK | 5 | 15 | 0.2 | BMK | SIM****H5 | £52.89 | 5 days | |
| CML6R0.2L12BMK | 6 | 12 | 0.2 | BMK | SIM****H6 | £52.89 | 5 days | |
| CML6R0.2L18BMK | 6 | 18 | 0.2 | BMK | SIM****H6 | £55.45 | 5 days |
No products match your filters.







