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Carmex Carbide Tiny Tool - Boring & Profiling - MPR - K20 Grade - 3.1mm Minimum Diameter x 15mm Reach x R0.1
SKU:MPR3R0.1L15K20
The Carmex Carbide Tiny Tool is a precision boring and profiling instrument designed for intricate work in tight spaces. Ideal for engineers, buyers, tradespeople, hobbyists, and technicians, it ...
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| Application | Boring and Profiling (MPR) |
| Minimum Diameter | 3.1 |
| Reach (L1) | 15 |
| Radius (R) | 0.1 |
| Profile Max Depth (H) | 0.7 |
| Grade | K20 |
£21.77
Prices shown ex. VAT
5 days estimated lead time
— subject to availability
View Other Sizes →
Free delivery over £50 ex VAT
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14-day returns
30+ years expertise
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Learn more about Klarna
The Carmex Carbide Tiny Tool is a precision boring and profiling instrument designed for intricate work in tight spaces. Ideal for engineers, buyers, tradespeople, hobbyists, and technicians, it delivers accurate profiles and clean bores on small parts and components.
Crafted from premium-grade carbide (K20 grade) with a compact 3.1 mm minimum diameter, 15 mm reach, and an R0.1 corner radius, this tiny tool offers reliable performance for micro-machining tasks. Its small size enables precise, repeatable cuts in hard-to-reach features without compromising strength.
- Ultra-compact profiling and boring capability: Access tight pockets and create precise profiles on small parts with minimal setup.
- Premium K20 carbide for longer life: Exceptional wear resistance and heat tolerance ensure consistent cuts and fewer tool changes.
- Precise geometry for tiny radii: 3.1 mm minimum diameter, 15 mm reach, and R0.1 corner enable detailed contours with steady rigidity and smooth finishes.
This tool helps streamline micro-machining workflows by delivering accurate, repeatable results in small features. The rigid carbide design preserves edge retention across multiple passes, reducing downtime and setup changes. Whether you’re building precision components, fixtures, or prototypes, the Carmex Tiny Tool supports cleaner finishes, tighter tolerances, and more consistent outcomes across runs.
| Application | Boring and Profiling (MPR) |
| Minimum Diameter | 3.1 |
| Reach (L1) | 15 |
| Radius (R) | 0.1 |
| Profile Max Depth (H) | 0.7 |
| Grade | K20 |
| Holder | SIM****H3 |
| L | 39 |
| F | 1.3 |
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.
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honest about stock and prices are competitive.
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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Full Range: Carmex Carbide Tiny Tools - Profiling & Boring - Grade K20 (MPR)
View full collection →You are viewing MPR3R0.1L15K20. Click any other SKU to view its full details.
| Product SKU | Minimum Diameter | Reach | Radius | Profile Max Depth | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MPR1R0.05L4K20 | 1 | 4 | 0.05 | 0.2 | K20 | SIM****H3 | £22.04 | 5 days | |
| MPR1.2R0.1L9K20 | 1.2 | 9 | 0.1 | 0.3 | K20 | SIM****H3 | £24.18 | 5 days | |
| MPR1.2R0.1L5K20 | 1.2 | 5 | 0.1 | 0.3 | K20 | SIM****H3 | £22.04 | 5 days | |
| MPR1R0.05L8K20 | 1 | 8 | 0.05 | 0.2 | K20 | SIM****H3 | £24.22 | 5 days | |
| MPR1.5R0.1L6K20 | 1.5 | 6 | 0.1 | 0.3 | K20 | SIM****H3 | £22.04 | 5 days | |
| MPR3R0.05L15K20 | 3.1 | 15 | 0.05 | 0.7 | K20 | SIM****H3 | £21.77 | 5 days | |
| MPR2.5R0.1L10K20 | 2.5 | 10 | 0.1 | 0.6 | K20 | SIM****H4 | £20.93 | 5 days | |
| MPR5R0.1L30K20 | 5.1 | 30 | 0.1 | 1.2 | K20 | SIM****H5 | £29.64 | 5 days | |
| MPR2R0.15L15K20 | 2.1 | 15 | 0.15 | 0.5 | K20 | SIM****H3 | £20.93 | 5 days | |
| MPR4R0.1L15K20 | 4.1 | 15 | 0.1 | 0.8 | K20 | SIM****H4 | £22.12 | 5 days | |
| MPR7R0.2L30K20 | 7.1 | 30 | 0.2 | 1.5 | K20 | SIM****H7 | £31.98 | 5 days | |
| MPR1.5R0.05L10K20 | 1.5 | 10 | 0.05 | 0.3 | K20 | SIM****H3 | £24.22 | 5 days | |
| MPR2R0.15L5K20 | 2.1 | 5 | 0.15 | 0.5 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPR2R0.05L10K20 | 2.1 | 10 | 0.05 | 0.5 | K20 | SIM****H3 | £20.98 | 5 days | |
| MPR8R0.2L35K20 | 8.1 | 35 | 0.2 | 1.6 | K20 | SIM****H8 | £34.54 | 5 days | |
| MPR3R0.2L15K20 | 3.1 | 15 | 0.2 | 0.7 | K20 | SIM****H3 | £21.77 | 5 days | |
| MPR8R0.2L22K20 | 8.1 | 22 | 0.2 | 1.6 | K20 | SIM****H8 | £31.54 | 5 days | |
| MPR5R0.2L30K20 | 5.1 | 30 | 0.2 | 1.2 | K20 | SIM****H5 | £29.64 | 5 days | |
| MPR2R0.1L10K20 | 2.1 | 10 | 0.1 | 0.5 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPR3R0.1L15K20 Viewing | 3.1 | 15 | 0.1 | 0.7 | K20 | SIM****H3 | £21.77 | 5 days | |
| MPR7R0.2L22K20 | 7.1 | 2 | 0.2 | 1.5 | K20 | SIM****H7 | £28.95 | 5 days | |
| MPR4R0.1L10K20 | 4.1 | 10 | 0.1 | 0.8 | K20 | SIM****H4 | £22.17 | 5 days | |
| MPR4R0.2L15K20 | 4.1 | 15 | 0.2 | 0.8 | K20 | SIM****H4 | £22.12 | 5 days | |
| MPR2.5R0.1L15K20 | 2.5 | 15 | 0.1 | 0.6 | K20 | SIM****H4 | £20.93 | 5 days | |
| MPR6R0.2L30K20 | 6.1 | 30 | 0.2 | 1.4 | K20 | SIM****H6 | £30.23 | 5 days | |
| MPR4R0.2L10K20 | 4.1 | 10 | 0.2 | 0.8 | K20 | SIM****H4 | £20.49 | 5 days | |
| MPR5R0.2L22K20 | 5.1 | 22 | 0.2 | 1.2 | K20 | SIM****H5 | £25.81 | 5 days | |
| MPR3R0.1L22K20 | 3.1 | 22 | 0.1 | 0.7 | K20 | SIM****H3 | £22.80 | 5 days | |
| MPR3R0.2L22K20 | 3.1 | 22 | 0.2 | 0.7 | K20 | SIM****H3 | £22.80 | 5 days | |
| MPR4R0.1L22K20 | 4.1 | 22 | 0.1 | 0.8 | K20 | SIM****H4 | £23.25 | 5 days | |
| MPR4R0.2L22K20 | 4.1 | 22 | 0.2 | 0.8 | K20 | SIM****H4 | £23.25 | 5 days | |
| MPR6R0.2L22K20 | 6.1 | 22 | 0.2 | 1.4 | K20 | SIM****H6 | £26.30 | 5 days | |
| MPR2R0.15L10K20 | 2.1 | 10 | 0.15 | 0.5 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPR3R0.1L10K20 | 3.1 | 10 | 0.1 | 0.7 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPR5R0.1L22K20 | 5.1 | 22 | 0.1 | 1.2 | K20 | SIM****H5 | £25.81 | 5 days | |
| MPR3R0.2L10K20 | 3.1 | 10 | 0.2 | 0.7 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPR3R0.05L10K20 | 3.1 | 10 | 0.05 | 0.7 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPR10R0.2L35K20 | 10.1 | 35 | 0.2 | 2 | K20 | SIM****H10 | £35.57 | 5 days | |
| MPR5R0.2L15K20 | 5.1 | 15 | 0.2 | 1.2 | K20 | SIM****H5 | £22.61 | 5 days | |
| MPR6R0.2L15K20 | 6.1 | 15 | 0.2 | 1.4 | K20 | SIM****H6 | £23.27 | 5 days | |
| MPR4R0.2L30K20 | 4.1 | 30 | 0.2 | 0.8 | K20 | SIM****H4 | £25.78 | 5 days | |
| MPR8R0.2L15K20 | 8.1 | 15 | 0.2 | 1.6 | K20 | SIM****H8 | £27.97 | 5 days | |
| MPR6R0.2L10K20 | 6.1 | 10 | 0.2 | 1.4 | K20 | SIM****H6 | £23.27 | 5 days | |
| MPR5R0.2L10K20 | 5.1 | 10 | 0.2 | 1.2 | K20 | SIM****H5 | £22.61 | 5 days | |
| MPR5R0.2L40K20 | 5.1 | 40 | 0.2 | 0.9 | K20 | SIM****H5 | £32.57 | 5 days | |
| MPR6R0.2L40K20 | 6.1 | 40 | 0.2 | 1 | K20 | SIM****H6 | £33.26 | 5 days | |
| MPR7R0.2L35K20 | 7.1 | 35 | 0.2 | 1.5 | K20 | SIM****H7 | £33.58 | 5 days | |
| MPL1.2R0.1L5K20 | 1.2 | 5 | 0.1 | 0.3 | K20 | SIM****H3 | £22.03 | 5 days | |
| MPL1.2R0.1L9K20 | 1.2 | 9 | 0.1 | 0.3 | K20 | SIM****H3 | £24.22 | 5 days | |
| MPL1.5R0.05L10K20 | 1.5 | 10 | 0.05 | 0.3 | K20 | SIM****H3 | £24.22 | 5 days | |
| MPL1.5R0.1L10K20 | 1.5 | 10 | 0.1 | 0.3 | K20 | SIM****H3 | £22.46 | 5 days | |
| MPL1.5R0.1L6K20 | 1.5 | 6 | 0.1 | 0.3 | K20 | SIM****H3 | £22.04 | 5 days | |
| MPL10R0.2L35K20 | 10.1 | 35 | 0.2 | 2 | K20 | SIM****H10 | £35.57 | 5 days | |
| MPL1R0.05L4K20 | 1 | 4 | 0.05 | 0.2 | K20 | SIM****H3 | £22.04 | 5 days | |
| MPL1R0.05L8K20 | 1 | 8 | 0.05 | 0.2 | K20 | SIM****H3 | £24.22 | 5 days | |
| MPL2.5R0.1L10K20 | 2.5 | 10 | 0.1 | 0.6 | K20 | SIM****H3 | £20.95 | 5 days | |
| MPL2.5R0.1L15K20 | 2.5 | 15 | 0.1 | 0.6 | K20 | SIM****H3 | £20.95 | 5 days | |
| MPL2R0.05L10K20 | 2.1 | 10 | 0.05 | 0.5 | K20 | SIM****H3 | £20.98 | 5 days | |
| MPL2R0.15L10K20 | 2.1 | 10 | 0.15 | 0.5 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPL2R0.15L15K20 | 2.1 | 15 | 0.15 | 0.5 | K20 | SIM****H3 | £20.93 | 5 days | |
| MPL2R0.15L5K20 | 2.1 | 5 | 0.15 | 0.5 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPL2R0.1L10K20 | 2.1 | 10 | 0.1 | 0.5 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPL3R0.05L10K20 | 3.1 | 10 | 0.05 | 0.7 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPL3R0.05L15K20 | 3.1 | 15 | 0.05 | 0.7 | K20 | SIM****H3 | £21.77 | 5 days | |
| MPL3R0.1L10K20 | 3.1 | 10 | 0.1 | 0.7 | K20 | SIM****H3 | £19.99 | 5 days | |
| MPL3R0.1L15K20 | 3.1 | 15 | 0.1 | 0.7 | K20 | SIM****H3 | £21.77 | 5 days | |
| MPL3R0.1L22K20 | 3.1 | 22 | 0.1 | 0.7 | K20 | SIM****H3 | £22.80 | 5 days | |
| MPL3R0.2L10K20 | 3.1 | 10 | 0.2 | 0.7 | K20 | SIM****H3 | £19.98 | 5 days | |
| MPL3R0.2L15K20 | 3.1 | 15 | 0.2 | 0.7 | K20 | SIM****H3 | £21.77 | 5 days | |
| MPL3R0.2L22K20 | 3.1 | 22 | 0.2 | 0.7 | K20 | SIM****H3 | £22.80 | 5 days | |
| MPL4R0.1L10K20 | 4.1 | 10 | 0.1 | 0.8 | K20 | SIM****H4 | £22.17 | 5 days | |
| MPL4R0.1L15K20 | 4.1 | 15 | 0.1 | 0.8 | K20 | SIM****H4 | £22.12 | 5 days | |
| MPL4R0.1L22K20 | 4.1 | 22 | 0.1 | 0.8 | K20 | SIM****H4 | £23.25 | 5 days | |
| MPL4R0.2L10K20 | 4.1 | 10 | 0.2 | 0.8 | K20 | SIM****H4 | £20.49 | 5 days | |
| MPL4R0.2L15K20 | 4.1 | 15 | 0.2 | 0.8 | K20 | SIM****H4 | £22.12 | 5 days | |
| MPL4R0.2L22K20 | 4.1 | 22 | 0.2 | 0.8 | K20 | SIM****H4 | £23.25 | 5 days | |
| MPL4R0.2L30K20 | 4.1 | 30 | 0.2 | 0.8 | K20 | SIM****H4 | £25.77 | 5 days | |
| MPL5R0.1L22K20 | 5.1 | 22 | 0.1 | 1.2 | K20 | SIM****H5 | £25.81 | 5 days | |
| MPL5R0.1L30K20 | 5.1 | 30 | 0.1 | 1.2 | K20 | SIM****H5 | £29.64 | 5 days | |
| MPL5R0.2L10K20 | 5.1 | 10 | 0.2 | 1.2 | K20 | SIM****H5 | £22.61 | 5 days | |
| MPL5R0.2L15K20 | 5.1 | 15 | 0.2 | 1.2 | K20 | SIM****H5 | £22.61 | 5 days | |
| MPL5R0.2L22K20 | 5.1 | 22 | 0.2 | 1.2 | K20 | SIM****H5 | £25.81 | 5 days | |
| MPL5R0.2L30K20 | 5.1 | 30 | 0.2 | 1.2 | K20 | SIM****H5 | £29.64 | 5 days | |
| MPL5R0.2L40K20 | 5.1 | 40 | 0.2 | 0.9 | K20 | SIM****H5 | £32.57 | 5 days | |
| MPL6R0.2L10K20 | 6.1 | 10 | 0.2 | 1.4 | K20 | SIM****H6 | £23.30 | 5 days | |
| MPL6R0.2L15K20 | 6.1 | 15 | 0.2 | 1.4 | K20 | SIM****H6 | £23.27 | 5 days | |
| MPL6R0.2L22K20 | 6.1 | 22 | 0.2 | 1.4 | K20 | SIM****H6 | £26.30 | 5 days | |
| MPL6R0.2L30K20 | 6.1 | 30 | 0.2 | 1.4 | K20 | SIM****H6 | £30.23 | 5 days | |
| MPL6R0.2L40K20 | 6.1 | 40 | 0.2 | 1 | K20 | SIM****H6 | £33.31 | 5 days | |
| MPL7R0.2L22K20 | 7.1 | 2 | 0.2 | 1.5 | K20 | SIM****H7 | £28.95 | 5 days | |
| MPL7R0.2L30K20 | 7.1 | 30 | 0.2 | 1.5 | K20 | SIM****H7 | £31.98 | 5 days | |
| MPL7R0.2L35K20 | 7.1 | 35 | 0.2 | 1.5 | K20 | SIM****H7 | £33.58 | 5 days | |
| MPL8R0.2L15K20 | 8.1 | 15 | 0.2 | 1.6 | K20 | SIM****H8 | £27.97 | 5 days | |
| MPL8R0.2L22K20 | 8.1 | 22 | 0.2 | 1.6 | K20 | SIM****H8 | £31.54 | 5 days | |
| MPL8R0.2L35K20 | 8.1 | 35 | 0.2 | 1.6 | K20 | SIM****H8 | £34.54 | 5 days |
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