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Carmex Carbide Tiny Tool - Boring & Profiling - MPR - K20 Grade - 4.1mm Minimum Diameter x 15mm Reach x R0.2
| Application | Boring and Profiling (MPR) |
| Minimum Diameter | 4.1 |
| Reach (L1) | 15 |
| Radius (R) | 0.2 |
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Description
The Carmex Carbide Tiny Tool - Boring & Profiling (MPR) is a precision cutting tool designed for small profiling and boring tasks. Its compact design and refined geometry make it ideal for engineers, technicians, hobbyists, and shop environments that require accurate contours and clean holes in tight spaces.
Crafted from premium K20 carbide, this tiny tool delivers excellent wear resistance and dependable performance at small diameters. It features a 4.1 mm minimum diameter, 15 mm reach, and a nose radius of R0.2 to produce precise profiles with consistent edge quality.
- Small-diameter precision for tight profiling: With a 4.1 mm minimum diameter and 15 mm reach, it tackles intricate profiles and bore starts in compact parts with ease.
- Durable K20 carbide for lasting wear resistance: Premium carbide grade delivers long tool life and reliable performance in demanding materials.
- R0.2 nose radius for smooth, accurate finishes: The fine nose radius helps create clean corners and consistent edge quality in delicate features, reducing finishing steps.
This tool streamlines your workflow by enabling precise profiling and boring where space is limited, reducing setup time and the need for multiple tools. Its robust carbide and precise geometry translate to predictable results, fewer reworks, and higher overall part quality—whether you're fabricating prototypes, fixtures, or small-series components.
Part Numbers
- Protool Part Number
- MPR4R0.2L15K20
- 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 - Profiling & Boring - Grade K20 (MPR)
View full collection →You are viewing MPR4R0.2L15K20. 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 | £22.40 | 5 days | |
| MPR1.2R0.1L9K20 | 1.2 | 9 | 0.1 | 0.3 | K20 | SIM****H3 | £24.58 | 5 days | |
| MPR1.2R0.1L5K20 | 1.2 | 5 | 0.1 | 0.3 | K20 | SIM****H3 | £22.40 | 5 days | |
| MPR1R0.05L8K20 | 1 | 8 | 0.05 | 0.2 | K20 | SIM****H3 | £20.80 | 5 days | |
| MPR1.5R0.1L6K20 | 1.5 | 6 | 0.1 | 0.3 | K20 | SIM****H3 | £22.40 | 5 days | |
| MPR3R0.05L15K20 | 3.1 | 15 | 0.05 | 0.7 | K20 | SIM****H3 | £22.13 | 5 days | |
| MPR2.5R0.1L10K20 | 2.5 | 10 | 0.1 | 0.6 | K20 | SIM****H4 | £21.28 | 5 days | |
| MPR5R0.1L30K20 | 5.1 | 30 | 0.1 | 1.2 | K20 | SIM****H5 | £30.13 | 5 days | |
| MPR2R0.15L15K20 | 2.1 | 15 | 0.15 | 0.5 | K20 | SIM****H3 | £21.28 | 5 days | |
| MPR4R0.1L15K20 | 4.1 | 15 | 0.1 | 0.8 | K20 | SIM****H4 | £22.48 | 5 days | |
| MPR7R0.2L30K20 | 7.1 | 30 | 0.2 | 1.5 | K20 | SIM****H7 | £32.50 | 5 days | |
| MPR1.5R0.05L10K20 | 1.5 | 10 | 0.05 | 0.3 | K20 | SIM****H3 | £20.80 | 5 days | |
| MPR2R0.15L5K20 | 2.1 | 5 | 0.15 | 0.5 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPR2R0.05L10K20 | 2.1 | 10 | 0.05 | 0.5 | K20 | SIM****H3 | £21.33 | 5 days | |
| MPR8R0.2L35K20 | 8.1 | 35 | 0.2 | 1.6 | K20 | SIM****H8 | £35.10 | 5 days | |
| MPR3R0.2L15K20 | 3.1 | 15 | 0.2 | 0.7 | K20 | SIM****H3 | £22.13 | 5 days | |
| MPR8R0.2L22K20 | 8.1 | 22 | 0.2 | 1.6 | K20 | SIM****H8 | £32.05 | 5 days | |
| MPR5R0.2L30K20 | 5.1 | 30 | 0.2 | 1.2 | K20 | SIM****H5 | £30.13 | 5 days | |
| MPR2R0.1L10K20 | 2.1 | 10 | 0.1 | 0.5 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPR3R0.1L15K20 | 3.1 | 15 | 0.1 | 0.7 | K20 | SIM****H3 | £22.13 | 5 days | |
| MPR7R0.2L22K20 | 7.1 | 2 | 0.2 | 1.5 | K20 | SIM****H7 | £29.43 | 5 days | |
| MPR4R0.1L10K20 | 4.1 | 10 | 0.1 | 0.8 | K20 | SIM****H4 | £19.05 | 5 days | |
| MPR4R0.2L15K20 Viewing | 4.1 | 15 | 0.2 | 0.8 | K20 | SIM****H4 | £22.48 | 5 days | |
| MPR2.5R0.1L15K20 | 2.5 | 15 | 0.1 | 0.6 | K20 | SIM****H4 | £21.28 | 5 days | |
| MPR6R0.2L30K20 | 6.1 | 30 | 0.2 | 1.4 | K20 | SIM****H6 | £30.73 | 5 days | |
| MPR4R0.2L10K20 | 4.1 | 10 | 0.2 | 0.8 | K20 | SIM****H4 | £20.83 | 5 days | |
| MPR5R0.2L22K20 | 5.1 | 22 | 0.2 | 1.2 | K20 | SIM****H5 | £26.23 | 5 days | |
| MPR3R0.1L22K20 | 3.1 | 22 | 0.1 | 0.7 | K20 | SIM****H3 | £23.18 | 5 days | |
| MPR3R0.2L22K20 | 3.1 | 22 | 0.2 | 0.7 | K20 | SIM****H3 | £23.18 | 5 days | |
| MPR4R0.1L22K20 | 4.1 | 22 | 0.1 | 0.8 | K20 | SIM****H4 | £23.63 | 5 days | |
| MPR4R0.2L22K20 | 4.1 | 22 | 0.2 | 0.8 | K20 | SIM****H4 | £23.63 | 5 days | |
| MPR6R0.2L22K20 | 6.1 | 22 | 0.2 | 1.4 | K20 | SIM****H6 | £26.73 | 5 days | |
| MPR2R0.15L10K20 | 2.1 | 10 | 0.15 | 0.5 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPR3R0.1L10K20 | 3.1 | 10 | 0.1 | 0.7 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPR5R0.1L22K20 | 5.1 | 22 | 0.1 | 1.2 | K20 | SIM****H5 | £26.23 | 5 days | |
| MPR3R0.2L10K20 | 3.1 | 10 | 0.2 | 0.7 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPR3R0.05L10K20 | 3.1 | 10 | 0.05 | 0.7 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPR10R0.2L35K20 | 10.1 | 35 | 0.2 | 2 | K20 | SIM****H10 | £36.15 | 5 days | |
| MPR5R0.2L15K20 | 5.1 | 15 | 0.2 | 1.2 | K20 | SIM****H5 | £22.98 | 5 days | |
| MPR6R0.2L15K20 | 6.1 | 15 | 0.2 | 1.4 | K20 | SIM****H6 | £23.65 | 5 days | |
| MPR4R0.2L30K20 | 4.1 | 30 | 0.2 | 0.8 | K20 | SIM****H4 | £26.20 | 5 days | |
| MPR8R0.2L15K20 | 8.1 | 15 | 0.2 | 1.6 | K20 | SIM****H8 | £28.43 | 5 days | |
| MPR6R0.2L10K20 | 6.1 | 10 | 0.2 | 1.4 | K20 | SIM****H6 | £23.65 | 5 days | |
| MPR5R0.2L10K20 | 5.1 | 10 | 0.2 | 1.2 | K20 | SIM****H5 | £19.43 | 5 days | |
| MPR5R0.2L40K20 | 5.1 | 40 | 0.2 | 0.9 | K20 | SIM****H5 | £33.10 | 5 days | |
| MPR6R0.2L40K20 | 6.1 | 40 | 0.2 | 1 | K20 | SIM****H6 | £33.80 | 5 days | |
| MPR7R0.2L35K20 | 7.1 | 35 | 0.2 | 1.5 | K20 | SIM****H7 | £34.13 | 5 days | |
| MPL1.2R0.1L5K20 | 1.2 | 5 | 0.1 | 0.3 | K20 | SIM****H3 | £18.93 | 5 days | |
| MPL1.2R0.1L9K20 | 1.2 | 9 | 0.1 | 0.3 | K20 | SIM****H3 | £20.80 | 5 days | |
| MPL1.5R0.05L10K20 | 1.5 | 10 | 0.05 | 0.3 | K20 | SIM****H3 | £20.80 | 5 days | |
| MPL1.5R0.1L10K20 | 1.5 | 10 | 0.1 | 0.3 | K20 | SIM****H3 | £22.83 | 5 days | |
| MPL1.5R0.1L6K20 | 1.5 | 6 | 0.1 | 0.3 | K20 | SIM****H3 | £22.40 | 5 days | |
| MPL10R0.2L35K20 | 10.1 | 35 | 0.2 | 2 | K20 | SIM****H10 | £36.15 | 5 days | |
| MPL1R0.05L4K20 | 1 | 4 | 0.05 | 0.2 | K20 | SIM****H3 | £22.40 | 5 days | |
| MPL1R0.05L8K20 | 1 | 8 | 0.05 | 0.2 | K20 | SIM****H3 | £20.80 | 5 days | |
| MPL2.5R0.1L10K20 | 2.5 | 10 | 0.1 | 0.6 | K20 | SIM****H3 | £18.00 | 5 days | |
| MPL2.5R0.1L15K20 | 2.5 | 15 | 0.1 | 0.6 | K20 | SIM****H3 | £18.00 | 5 days | |
| MPL2R0.05L10K20 | 2.1 | 10 | 0.05 | 0.5 | K20 | SIM****H3 | £21.33 | 5 days | |
| MPL2R0.15L10K20 | 2.1 | 10 | 0.15 | 0.5 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPL2R0.15L15K20 | 2.1 | 15 | 0.15 | 0.5 | K20 | SIM****H3 | £21.28 | 5 days | |
| MPL2R0.15L5K20 | 2.1 | 5 | 0.15 | 0.5 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPL2R0.1L10K20 | 2.1 | 10 | 0.1 | 0.5 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPL3R0.05L10K20 | 3.1 | 10 | 0.05 | 0.7 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPL3R0.05L15K20 | 3.1 | 15 | 0.05 | 0.7 | K20 | SIM****H3 | £22.13 | 5 days | |
| MPL3R0.1L10K20 | 3.1 | 10 | 0.1 | 0.7 | K20 | SIM****H3 | £17.18 | 5 days | |
| MPL3R0.1L15K20 | 3.1 | 15 | 0.1 | 0.7 | K20 | SIM****H3 | £22.13 | 5 days | |
| MPL3R0.1L22K20 | 3.1 | 22 | 0.1 | 0.7 | K20 | SIM****H3 | £23.18 | 5 days | |
| MPL3R0.2L10K20 | 3.1 | 10 | 0.2 | 0.7 | K20 | SIM****H3 | £20.30 | 5 days | |
| MPL3R0.2L15K20 | 3.1 | 15 | 0.2 | 0.7 | K20 | SIM****H3 | £22.13 | 5 days | |
| MPL3R0.2L22K20 | 3.1 | 22 | 0.2 | 0.7 | K20 | SIM****H3 | £23.18 | 5 days | |
| MPL4R0.1L10K20 | 4.1 | 10 | 0.1 | 0.8 | K20 | SIM****H4 | £19.05 | 5 days | |
| MPL4R0.1L15K20 | 4.1 | 15 | 0.1 | 0.8 | K20 | SIM****H4 | £22.48 | 5 days | |
| MPL4R0.1L22K20 | 4.1 | 22 | 0.1 | 0.8 | K20 | SIM****H4 | £23.63 | 5 days | |
| MPL4R0.2L10K20 | 4.1 | 10 | 0.2 | 0.8 | K20 | SIM****H4 | £20.83 | 5 days | |
| MPL4R0.2L15K20 | 4.1 | 15 | 0.2 | 0.8 | K20 | SIM****H4 | £22.48 | 5 days | |
| MPL4R0.2L22K20 | 4.1 | 22 | 0.2 | 0.8 | K20 | SIM****H4 | £23.63 | 5 days | |
| MPL4R0.2L30K20 | 4.1 | 30 | 0.2 | 0.8 | K20 | SIM****H4 | £22.15 | 5 days | |
| MPL5R0.1L22K20 | 5.1 | 22 | 0.1 | 1.2 | K20 | SIM****H5 | £26.23 | 5 days | |
| MPL5R0.1L30K20 | 5.1 | 30 | 0.1 | 1.2 | K20 | SIM****H5 | £30.13 | 5 days | |
| MPL5R0.2L10K20 | 5.1 | 10 | 0.2 | 1.2 | K20 | SIM****H5 | £19.43 | 5 days | |
| MPL5R0.2L15K20 | 5.1 | 15 | 0.2 | 1.2 | K20 | SIM****H5 | £22.98 | 5 days | |
| MPL5R0.2L22K20 | 5.1 | 22 | 0.2 | 1.2 | K20 | SIM****H5 | £26.23 | 5 days | |
| MPL5R0.2L30K20 | 5.1 | 30 | 0.2 | 1.2 | K20 | SIM****H5 | £30.13 | 5 days | |
| MPL5R0.2L40K20 | 5.1 | 40 | 0.2 | 0.9 | K20 | SIM****H5 | £27.98 | 5 days | |
| MPL6R0.2L10K20 | 6.1 | 10 | 0.2 | 1.4 | K20 | SIM****H6 | £20.03 | 5 days | |
| MPL6R0.2L15K20 | 6.1 | 15 | 0.2 | 1.4 | K20 | SIM****H6 | £23.65 | 5 days | |
| MPL6R0.2L22K20 | 6.1 | 22 | 0.2 | 1.4 | K20 | SIM****H6 | £26.73 | 5 days | |
| MPL6R0.2L30K20 | 6.1 | 30 | 0.2 | 1.4 | K20 | SIM****H6 | £30.73 | 5 days | |
| MPL6R0.2L40K20 | 6.1 | 40 | 0.2 | 1 | K20 | SIM****H6 | £28.63 | 5 days | |
| MPL7R0.2L22K20 | 7.1 | 2 | 0.2 | 1.5 | K20 | SIM****H7 | £29.43 | 5 days | |
| MPL7R0.2L30K20 | 7.1 | 30 | 0.2 | 1.5 | K20 | SIM****H7 | £32.50 | 5 days | |
| MPL7R0.2L35K20 | 7.1 | 35 | 0.2 | 1.5 | K20 | SIM****H7 | £34.13 | 5 days | |
| MPL8R0.2L15K20 | 8.1 | 15 | 0.2 | 1.6 | K20 | SIM****H8 | £28.43 | 5 days | |
| MPL8R0.2L22K20 | 8.1 | 22 | 0.2 | 1.6 | K20 | SIM****H8 | £32.05 | 5 days | |
| MPL8R0.2L35K20 | 8.1 | 35 | 0.2 | 1.6 | K20 | SIM****H8 | £35.10 | 5 days |
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