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Carmex Carbide Tiny Tool - Boring Bar - MTR - BMK Grade - 3.1mm Minimum Diameter x 10mm Reach x R0.05
| Application | Boring (MTR) |
| Minimum Diameter | 3.1 |
| Reach (L1) | 10 |
| Radius (R) | 0.05 |
| Grade | BMK |
| Holder | SIM****H3 |
Learn more about Klarna
The Carmex Carbide Tiny Tool is a solid carbide boring bar designed for precision in small-diameter boring and general turning. With a minimum diameter of 3.1 mm, a reach of 10 mm, and a precise R0.05 corner, it excels in tight bores and finishing tasks where accuracy matters.
Built for engineers, machinists, and hobbyists alike, this tool leverages advanced PVD coatings to deliver reliable performance across a wide range of materials, including stainless steels. Whether you’re producing tight holes or performing delicate turning, it provides consistent results and long tool life.
- BXC PVD TiN coating for low-speed cutting: Optimized for low cutting speeds and stainless steels (ISO P30-P50 / K25-K40), this coating reduces wear, maintains edge strength, and helps you achieve cleaner holes and smoother finishes.
- BMK sub-micron grade with triple PVD coating: Sub-micron core with advanced triple coating delivers exceptional heat resistance and smooth cutting, enabling maximum performance and reliable results across a wide range of materials.
- Compact geometry for tight spaces: The 3.1 mm minimum diameter, 10 mm reach, and R0.05 corner provide precise, repeatable results in restricted bores and slim setups, while the solid carbide construction resists wear for long-term reliability.
With the Carmex Tiny Tool, you gain dependable, repeatable hole quality and smoother turning in demanding applications. The combination of BMK’s heat resistance and BXC’s wear resistance extends tool life, reducing downtime and tooling costs. The precise geometry supports tight tolerances and high-quality finishes, helping you complete jobs faster and with less rework in production environments or shop projects.
| Application | Boring (MTR) |
| Minimum Diameter | 3.1 |
| Reach (L1) | 10 |
| Radius (R) | 0.05 |
| Grade | BMK |
| Holder | SIM****H3 |
| L | 39 |
| F | 1.3 |
| D | 3 |
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 - Boring Bars - BMK Grade (MTR)
View full collection →You are viewing MTR3R0.05L10BMK. Click any other SKU to view its full details.
| Product SKU | Minimum Diameter | Reach | Radius | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MTR1.2R0L7BMK | 1.2 | 7 | 0 | BMK | SIM****H3 | £25.49 | In Stock | |
| MTR1.2R0L9BMK | 1.2 | 9 | 0 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTR1.5R0.1L6BMK | 1.5 | 6 | 0.1 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTR1.5R0L6BMK | 1.5 | 6 | 0 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTR1R0.05L4BMK | 1 | 4 | 0.05 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTR1R0.05L6BMK | 1 | 6 | 0.05 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTR1R0L6BMK | 1 | 6 | 0 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTR2.5R0.1L10BMK | 2.5 | 10 | 0.1 | BMK | SIM****H4 | £23.17 | 5 days | |
| MTR2.5R0.1L15BMK | 2.5 | 15 | 0.1 | BMK | SIM****H4 | £24.30 | In Stock | |
| MTR2.5R0L10BMK | 2.5 | 10 | 0 | BMK | SIM****H4 | £23.17 | In Stock | |
| MTR2R0.05L10BMK | 2.1 | 10 | 0.05 | BMK | SIM****H3 | £20.98 | In Stock | |
| MTR2R0.05L5BMK | 2.1 | 5 | 0.05 | BMK | SIM****H3 | £24.28 | 5 days | |
| MTR2R0.15L10BMK | 2.1 | 10 | 0.15 | BMK | SIM****H3 | £23.17 | 5 days | |
| MTR2R0.15L5BMK | 2.1 | 5 | 0.15 | BMK | SIM****H3 | £23.17 | 5 days | |
| MTR2R0.1L10BMK | 2.1 | 10 | 0.1 | BMK | SIM****H3 | £24.28 | 5 days | |
| MTR2R0.1L15BMK | 2.1 | 15 | 0.1 | BMK | SIM****H3 | £24.28 | 5 days | |
| MTR2R0L10BMK | 2.1 | 10 | 0 | BMK | SIM****H3 | £24.28 | 5 days | |
| MTR3R0.05L10BMK Viewing | 3.1 | 10 | 0.05 | BMK | SIM****H3 | £23.17 | 5 days | |
| MTR3R0.05L15BMK | 3.1 | 15 | 0.05 | BMK | SIM****H3 | £25.17 | 5 days | |
| MTR3R0.1L10BMK | 3.1 | 10 | 0.1 | BMK | SIM****H3 | £25.17 | 5 days | |
| MTR3R0.1L15BMK | 3.1 | 15 | 0.1 | BMK | SIM****H3 | £25.17 | In Stock | |
| MTR3R0.2L10BMK | 3.1 | 10 | 0.2 | BMK | SIM****H3 | £23.17 | In Stock | |
| MTR3R0.2L15BMK | 3.1 | 15 | 0.2 | BMK | SIM****H3 | £25.17 | In Stock | |
| MTR4R0.05L15BMK | 4.1 | 15 | 0.05 | BMK | SIM****H3 | £25.61 | 5 days | |
| MTR4R0.05L22BMK | 4.1 | 22 | 0.05 | BMK | SIM****H4 | £26.86 | 5 days | |
| MTR4R0.1L10BMK | 4.1 | 10 | 0.1 | BMK | SIM****H4 | £23.71 | In Stock | |
| MTR4R0.1L15BMK | 4.1 | 15 | 0.1 | BMK | SIM****H4 | £25.61 | 5 days | |
| MTR4R0.1L22BMK | 4.1 | 22 | 0.1 | BMK | SIM****H4 | £26.89 | In Stock | |
| MTR4R0.2L10BMK | 4.1 | 10 | 0.2 | BMK | SIM****H4 | £23.71 | 5 days | |
| MTR4R0.2L15BMK | 4.1 | 15 | 0.2 | BMK | SIM****H4 | £25.63 | 5 days | |
| MTR4R0.2L22BMK | 4.1 | 22 | 0.2 | BMK | SIM****H4 | £26.89 | In Stock | |
| MTR4R0.2L30BMK | 4.1 | 30 | 0.2 | BMK | SIM****H4 | £30.48 | 5 days | |
| MTR5R0.05L15BMK | 5.1 | 15 | 0.05 | BMK | SIM****H5 | £26.20 | 5 days | |
| MTR5R0.1L15BMK | 5.1 | 15 | 0.1 | BMK | SIM****H5 | £26.22 | 5 days | |
| MTR5R0.1L22BMK | 5.1 | 22 | 0.1 | BMK | SIM****H5 | £29.89 | 5 days | |
| MTR5R0.1L30BMK | 5.1 | 30 | 0.1 | BMK | SIM****H5 | £33.92 | In Stock | |
| MTR5R0.2L10BMK | 5.1 | 10 | 0.2 | BMK | SIM****H5 | £26.20 | 5 days | |
| MTR5R0.2L15BMK | 5.1 | 15 | 0.2 | BMK | SIM****H5 | £26.20 | In Stock | |
| MTR5R0.2L22BMK | 5.1 | 22 | 0.2 | BMK | SIM****H5 | £29.89 | 5 days | |
| MTR5R0.2L30BMK | 5.1 | 30 | 0.2 | BMK | SIM****H5 | £33.92 | 5 days | |
| MTR5R0.2L40BMK | 5.1 | 40 | 0.2 | BMK | SIM****H5 | £33.90 | 5 days | |
| MTR6R0.05L15BMK | 6.1 | 15 | 0.05 | BMK | SIM****H6 | £26.91 | 5 days | |
| MTR6R0.05L22BMK | 6.1 | 22 | 0.05 | BMK | SIM****H6 | £29.64 | 5 days | |
| MTR6R0.1L15BMK | 6.1 | 15 | 0.1 | BMK | SIM****H6 | £26.91 | 5 days | |
| MTR6R0.1L22BMK | 6.1 | 22 | 0.1 | BMK | SIM****H6 | £30.48 | 5 days | |
| MTR6R0.2L15BMK | 6.1 | 15 | 0.2 | BMK | SIM****H6 | £26.91 | 5 days | |
| MTR6R0.2L22BMK | 6.1 | 22 | 0.2 | BMK | SIM****H6 | £30.48 | In Stock | |
| MTR6R0.2L30BMK | 6.1 | 30 | 0.2 | BMK | SIM****H6 | £34.42 | In Stock | |
| MTR6R0.2L35BMK | 6.1 | 35 | 0.2 | BMK | SIM****H6 | £37.02 | In Stock | |
| MTR6R0.2L40BMK | 6.1 | 40 | 0.2 | BMK | SIM****H6 | £37.91 | 5 days | |
| MTR7R0.2L22BMK | 7.1 | 22 | 0.2 | BMK | SIM****H7 | £32.47 | 5 days | |
| MTR7R0.2L30BMK | 7.1 | 30 | 0.2 | BMK | SIM****H7 | £35.94 | In Stock | |
| MTR8R0.2L15BMK | 8.1 | 15 | 0.2 | BMK | SIM****H8 | £32.40 | 5 days | |
| MTR8R0.2L22BMK | 8.1 | 22 | 0.2 | BMK | SIM****H8 | £36.58 | 5 days | |
| MTR8R0.2L35BMK | 8.1 | 35 | 0.2 | BMK | SIM****H8 | £38.87 | 5 days | |
| MTR10R0.2L35BMK | 10.1 | 35 | 0.2 | BMK | SIM****H10 | £41.21 | 5 days | |
| MTL1.2R0L7BMK | 1.2 | 7 | 0 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTL1.2R0L9BMK | 1.2 | 9 | 0 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTL1.5R0.1L6BMK | 1.5 | 6 | 0.1 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTL1.5R0L6BMK | 1.5 | 6 | 0 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTL10R0.2L35BMK | 10.1 | 35 | 0.2 | BMK | SIM****H10 | £41.21 | 5 days | |
| MTL1R0.05L4BMK | 1 | 4 | 0.05 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTL1R0.05L6BMK | 1 | 6 | 0.05 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTL1R0L6BMK | 1 | 6 | 0 | BMK | SIM****H3 | £25.49 | 5 days | |
| MTL2.5R0.1L10BMK | 2.5 | 10 | 0.1 | BMK | SIM****H3 | £23.15 | 5 days | |
| MTL2.5R0.1L15BMK | 2.5 | 15 | 0.1 | BMK | SIM****H3 | £24.31 | 5 days | |
| MTL2.5R0L10BMK | 2.5 | 10 | 0 | BMK | SIM****H3 | £23.15 | 5 days | |
| MTL2R0.05L10BMK | 2.1 | 10 | 0.05 | BMK | SIM****H3 | £24.28 | 5 days | |
| MTL2R0.05L5BMK | 2.1 | 5 | 0.05 | BMK | SIM****H3 | £24.27 | 5 days | |
| MTL2R0.15L10BMK | 2.1 | 10 | 0.15 | BMK | SIM****H3 | £23.17 | 5 days | |
| MTL2R0.15L5BMK | 2.1 | 5 | 0.15 | BMK | SIM****H3 | £23.17 | 5 days | |
| MTL2R0.1L10BMK | 2.1 | 10 | 0.1 | BMK | SIM****H3 | £24.27 | 5 days | |
| MTL2R0.1L15BMK | 2.1 | 15 | 0.1 | BMK | SIM****H3 | £24.27 | 5 days | |
| MTL2R0L10BMK | 2.1 | 10 | 0 | BMK | SIM****H3 | £24.27 | 5 days | |
| MTL3R0.05L10BMK | 3.1 | 10 | 0.05 | BMK | SIM****H3 | £23.17 | 5 days | |
| MTL3R0.05L15BMK | 3.1 | 15 | 0.05 | BMK | SIM****H3 | £25.17 | 5 days | |
| MTL3R0.1L10BMK | 3.1 | 10 | 0.1 | BMK | SIM****H3 | £25.17 | 5 days | |
| MTL3R0.1L15BMK | 3.1 | 15 | 0.1 | BMK | SIM****H3 | £25.17 | 5 days | |
| MTL3R0.2L10BMK | 3.1 | 10 | 0.2 | BMK | SIM****H3 | £23.17 | 5 days | |
| MTL3R0.2L15BMK | 3.1 | 15 | 0.2 | BMK | SIM****H3 | £25.17 | 5 days | |
| MTL4R0.05L15BMK | 4.1 | 15 | 0.05 | BMK | SIM****H3 | £25.61 | 5 days | |
| MTL4R0.05L22BMK | 4.1 | 22 | 0.05 | BMK | SIM****H4 | £26.86 | 5 days | |
| MTL4R0.1L10BMK | 4.1 | 10 | 0.1 | BMK | SIM****H4 | £23.71 | 5 days | |
| MTL4R0.1L15BMK | 4.1 | 15 | 0.1 | BMK | SIM****H4 | £25.61 | 5 days | |
| MTL4R0.1L22BMK | 4.1 | 22 | 0.1 | BMK | SIM****H4 | £26.89 | 5 days | |
| MTL4R0.2L10BMK | 4.1 | 10 | 0.2 | BMK | SIM****H4 | £23.71 | 5 days | |
| MTL4R0.2L15BMK | 4.1 | 15 | 0.2 | BMK | SIM****H4 | £25.61 | 5 days | |
| MTL4R0.2L22BMK | 4.1 | 22 | 0.2 | BMK | SIM****H4 | £26.89 | 5 days | |
| MTL4R0.2L30BMK | 4.1 | 30 | 0.2 | BMK | SIM****H4 | £30.45 | 5 days | |
| MTL5R0.05L15BMK | 5.1 | 15 | 0.05 | BMK | SIM****H5 | £26.20 | 5 days | |
| MTL5R0.1L15BMK | 5.1 | 15 | 0.1 | BMK | SIM****H5 | £26.20 | 5 days | |
| MTL5R0.1L22BMK | 5.1 | 22 | 0.1 | BMK | SIM****H5 | £29.89 | 5 days | |
| MTL5R0.1L30BMK | 5.1 | 30 | 0.1 | BMK | SIM****H5 | £33.92 | 5 days | |
| MTL5R0.2L10BMK | 5.1 | 10 | 0.2 | BMK | SIM****H5 | £26.18 | 5 days | |
| MTL5R0.2L15BMK | 5.1 | 15 | 0.2 | BMK | SIM****H5 | £26.20 | 5 days | |
| MTL5R0.2L22BMK | 5.1 | 22 | 0.2 | BMK | SIM****H5 | £29.89 | 5 days | |
| MTL5R0.2L30BMK | 5.1 | 30 | 0.2 | BMK | SIM****H5 | £33.92 | 5 days | |
| MTL5R0.2L40BMK | 5.1 | 40 | 0.2 | BMK | SIM****H5 | £33.90 | 5 days | |
| MTL6R0.05L15BMK | 6.1 | 15 | 0.05 | BMK | SIM****H6 | £26.91 | 5 days | |
| MTL6R0.05L22BMK | 6.1 | 22 | 0.05 | BMK | SIM****H6 | £29.65 | 5 days | |
| MTL6R0.1L15BMK | 6.1 | 15 | 0.1 | BMK | SIM****H6 | £26.91 | 5 days | |
| MTL6R0.1L22BMK | 6.1 | 22 | 0.1 | BMK | SIM****H6 | £30.48 | 5 days | |
| MTL6R0.2L15BMK | 6.1 | 15 | 0.2 | BMK | SIM****H6 | £26.30 | 5 days | |
| MTL6R0.2L22BMK | 6.1 | 22 | 0.2 | BMK | SIM****H6 | £25.58 | 5 days | |
| MTL6R0.2L30BMK | 6.1 | 30 | 0.2 | BMK | SIM****H6 | £34.46 | 5 days | |
| MTL6R0.2L35BMK | 6.1 | 35 | 0.2 | BMK | SIM****H6 | £37.02 | 5 days | |
| MTL6R0.2L40BMK | 6.1 | 40 | 0.2 | BMK | SIM****H6 | £37.91 | 5 days | |
| MTL7R0.2L22BMK | 7.1 | 22 | 0.2 | BMK | SIM****H7 | £32.47 | 5 days | |
| MTL7R0.2L30BMK | 7.1 | 30 | 0.2 | BMK | SIM****H7 | £35.97 | 5 days | |
| MTL8R0.2L15BMK | 8.1 | 15 | 0.2 | BMK | SIM****H8 | £32.40 | 5 days | |
| MTL8R0.2L22BMK | 8.1 | 22 | 0.2 | BMK | SIM****H8 | £36.58 | 5 days | |
| MTL8R0.2L35BMK | 8.1 | 35 | 0.2 | BMK | SIM****H8 | £38.87 | 5 days |
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