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Carmex Carbide Tiny Tool - Boring & Profiling - MPR - K20 Grade - 4.1mm Minimum Diameter x 10mm Reach x R0.2
| Application | Boring and Profiling (MPR) |
| Minimum Diameter | 4.1 |
| Reach (L1) | 10 |
| Radius (R) | 0.2 |
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Description
The Carmex Carbide Tiny Tool is a precision boring and profiling cutter designed for small, intricate work. It’s ideal for engineers, machinists, hobbyists, and shop crews who need accurate profiling and boring in tight spaces. With a 4.1 mm minimum diameter, 10 mm reach, and a finely tuned R0.2 nose radius, this tool delivers sharp, repeatable cuts. Crafted from premium K20-grade carbide, it combines hardness, wear resistance, and edge stability to handle repeated small-feature operations on delicate parts.
- Ultra-compact profiling geometry: Access tight features with a 4.1 mm minimum diameter and 10 mm reach, delivering accurate profiling and boring in confined spaces.
- Premium K20 carbide construction: Exceptional hardness and wear resistance ensure long tool life and sharp, consistent performance even in repeat passes.
- Precise R0.2 nose radius: Enables fine detailing and smooth finishes on small parts, with predictable, repeatable results across jobs.
Whether you're prototyping micro components or performing high-precision finishing on small parts, the Carmex Tiny Tool helps you complete delicate profiling tasks faster and with greater consistency. Its durable carbide edge stands up to demanding small-feature work, reducing downtime and enabling confident, repeatable results across projects.
Part Numbers
- Protool Part Number
- MPR4R0.2L10K20
- 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 MPR4R0.2L10K20. 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 | 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 Viewing | 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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