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Carmex Carbide Tiny Tool - Boring Bar - MTL - BMK Grade - 3.1mm Minimum Diameter x 10mm Reach x R0.05 (Left Hand)
| Application | Boring (MTL) |
| Minimum Diameter | 3.1 |
| Reach (L1) | 10 |
| Radius (R) | 0.05 |
| Grade | BMK |
| Holder | SIM****H3 |
Learn more about Klarna
Carmex Carbide Tiny Tool - Boring Bar - MTL - BMK Grade is a compact solid carbide bar designed for precise boring and general turning on small-diameter features. With a 3.1 mm minimum diameter, 10 mm reach, and a left-hand R0.05 corner, this tool delivers rigidity and accurate bore geometry for tight-feature work. Ideal for engineers, machinists, and hobbyists, it handles stainless steels and a wide range of materials where a clean finish and consistent results matter.
- BMK Sub-micron grade with triple PVD coating: Delivers exceptional heat resistance and smoothly controlled cutting for maximum performance across demanding materials, helping extend tool life and maintain consistent finishes.
- BXC TiN coated grade for low-speed cuts and stainless steels: Optimized for reliable performance at lower cutting speeds, reducing chatter and producing steadier, programmable finishes on a broad stainless steel range.
- Compact, precise geometry (3.1 mm min diameter, 10 mm reach, left-hand R0.05): Enables accurate boring in tight pockets and easy setup, delivering stable engagement and versatile use across applications.
Whether tackling small-diameter bores in stainless steel or performing general turning tasks, Carmex's carbide tiny tool provides rigidity, durability, and predictable results. The dual-grade coatings let you tailor performance to material and cutting conditions, while the tight geometry supports clean finishes and reduced downtime thanks to longer tool life and dependable chip control. This makes it a reliable choice for production runs, shop floor repairs, and demanding precision work alike.
| Application | Boring (MTL) |
| 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 MTL3R0.05L10BMK. 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 | 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 Viewing | 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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