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Carmex Carbide Tiny Tool - Boring & Profiling - MPR - K20 Grade - 4.1mm Minimum Diameter x 10mm Reach x R0.1
| Application | Boring and Profiling (MPR) |
| Minimum Diameter | 4.1 |
| Reach (L1) | 10 |
| Radius (R) | 0.1 |
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The ones our customers buy most.Description
The Carmex Carbide Tiny Tool for Boring & Profiling (MPR) is a precision carbide cutting tool designed for small profiling and boring tasks. Its compact 4.1 mm minimum diameter and 10 mm reach let you shape intricate features in tiny parts with confidence. Crafted from premium-grade carbide, this tool offers exceptional durability, edge retention, and wear resistance for demanding micro-machining applications.
- Compact 4.1 mm diameter for tight work: Designed to fit into small features and deliver precise profiling and boring on miniature parts, reducing the need for rework.
- 10 mm reach for deep profiling: Enables access to internal pockets and profiles without frequent repositioning, speeding up setups and boosting productivity.
- R0.1 edge radius for smooth finishes: A finely ground corner radius minimizes chatter and helps produce clean, accurate profiles on delicate materials.
With the Carmex Tiny Tool, you gain reliable, repeatable results on small components, enabling tight tolerances and smooth surface finishes. The premium carbide construction resists wear in demanding micro-machining environments, extending tool life and reducing downtime from tool changes. Its compact size and precise geometry streamline setups, improve workflow efficiency, and help you achieve higher-quality parts faster — from prototypes to finished components.
Part Numbers
- Protool Part Number
- MPR4R0.1L10K20
- 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 MPR4R0.1L10K20. 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 Viewing | 4.1 | 10 | 0.1 | 0.8 | K20 | SIM****H4 | £19.05 | 5 days | |
| MPR4R0.2L15K20 | 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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