Please log in here to access all benefits, including promotional discounts and faster checkouts.

Carmex Carbide Tiny Tool - Threading - MIR - UN (UNC,UNF,UNEF,UNS) - BMK Grade - 6.2mm Minimum Diameter x 18mm Reach
| Application | Threading (MIR) |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch or Pitch Range | 18 |
| Minimum Diameter | 6.2 |
| Reach | 18 |
| Grade | BMK |
Learn more about Klarna
The Carmex Carbide Tiny Tool for Threading is a compact, high-precision solution designed for small-diameter threading tasks. Built to handle UNC, UNF, UNEF, and UNS threads with a UN 60° full-profile geometry, it’s ideal for engineers, machinists, hobbyists, and shops tackling miniature components. This MIR-designated tool delivers accurate thread forms with repeatable results, even when space is tight.
Crafted from premium-grade carbide, it combines exceptional durability, strength, and wear resistance to deliver long tool life. Its compact footprint—6.2 mm minimum diameter with an 18 mm reach—lets you thread small parts and intricate components with ease. The tool is designed for broad machine compatibility, ensuring smooth integration into a wide range of setups for demanding applications.
- UN 60° full-profile threading: Delivers accurate thread forms for UNC, UNF, UNEF, and UNS with MIR geometry, reducing rework and delivering consistent results in tight spaces.
- Premium carbide for durability: Built to withstand production workloads, offering long tool life and reliable performance across many cycles with minimal wear.
- Compact size with extended reach: 6.2 mm minimum diameter and 18 mm reach access hard-to-reach threads on small components while maintaining strong rigidity and stability.
In everyday use, this tiny threading tool helps you complete precise threads on miniature parts faster and more consistently. The combination of a precise UN 60° profile, durable carbide construction, and compact geometry supports efficient setups, reduced downtime, and dependable results across a wide range of machines and applications.
| Application | Threading (MIR) |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch or Pitch Range | 18 |
| Minimum Diameter | 6.2 |
| Reach | 18 |
| Grade | BMK |
| Holder | SIM****H6 |
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 - Small Threading Full Profile UN 60° Tool (MIR)
View full collection →You are viewing MIR6L1818UNBMK. Click any other SKU to view its full details.
| Product SKU | Pitch or Pitch Range | Minimum Diameter | Reach | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MIR3L1032UNBMK | 32 | 2.7 | 10 | BMK | SIM****H3 | £22.05 | 5 days | |
| MIR3L1032UNBXC | 32 | 2.7 | 10 | BXC | SIM****H3 | £26.08 | In Stock | |
| MIR3L1532UNBMK | 32 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | In Stock | |
| MIR3L1532UNBXC | 32 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | In Stock | |
| MIR3L1536UNBMK | 36 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | 5 days | |
| MIR3L1536UNBXC | 36 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | In Stock | |
| MIR4L1532UNBMK | 32 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | 5 days | |
| MIR4L1532UNBXC | 32 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | 5 days | |
| MIR4L1536UNBMK | 36 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | 5 days | |
| MIR4L1536UNBXC | 36 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | 5 days | |
| MIR5L1528UNBMK | 28 | 4.9 | 15 | BMK | SIM****H5 | £28.00 | 5 days | |
| MIR5L1528UNBXC | 28 | 4.9 | 15 | BXC | SIM****H5 | £25.48 | In Stock | |
| MIR5L1820UNBMK | 20 | 5 | 18 | BMK | SIM****H5 | £28.00 | 5 days | |
| MIR5L1820UNBXC | 20 | 5 | 18 | BXC | SIM****H5 | £25.48 | In Stock | |
| MIR6L1818UNBMK Viewing | 18 | 6.2 | 18 | BMK | SIM****H6 | £30.00 | 5 days | |
| MIR6L1818UNBXC | 18 | 6.2 | 18 | BXC | SIM****H6 | £27.28 | 5 days | |
| MIR6L1824UNBMK | 24 | 6.5 | 18 | BMK | SIM****H6 | £30.00 | 5 days | |
| MIR6L1824UNBXC | 24 | 6.5 | 18 | BXC | SIM****H6 | £27.28 | In Stock | |
| MIR3L1032UNK20 | 32 | 2.7 | 10 | K20 | SIM****H3 | £20.95 | 5 days | |
| MIR5L1528UNK20 | 28 | 4.9 | 15 | K20 | SIM****H5 | £24.20 | 5 days | |
| MIR5L1820UNK20 | 20 | 5 | 18 | K20 | SIM****H5 | £24.20 | 5 days | |
| MIR6L1818UNK20 | 18 | 6.2 | 18 | K20 | SIM****H6 | £25.90 | 5 days | |
| MIR3L1536UNK20 | 36 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIR4L1532UNK20 | 32 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIR6L1824UNK20 | 24 | 6.5 | 18 | K20 | SIM****H6 | £25.90 | 5 days | |
| MIR3L1532UNK20 | 32 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIR4L1536UNK20 | 36 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIR5L1528UNTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |
| MIR3L1532UNTNX | 32 | 3.2 | 15 | TNX | SIM****H3 | £25.30 | 5 days | |
| MIR5L1524UNBXC | 24 | 5.1 | 15 | BXC | SIM****H5 | £25.48 | 5 days | |
| MIL3L1032UNBMK | 32 | 2.7 | 10 | BMK | SIM****H3 | £22.50 | 5 days | |
| MIL3L1032UNBXC | 32 | 2.7 | 10 | BXC | SIM****H3 | £22.05 | 5 days | |
| MIL3L1032UNK20 | 32 | 2.7 | 10 | K20 | SIM****H3 | £20.95 | 5 days | |
| MIL3L1532UNBMK | 32 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | 5 days | |
| MIL3L1532UNBXC | 32 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | 5 days | |
| MIL3L1532UNK20 | 32 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIL3L1532UNTNX | 32 | 3.2 | 15 | TNX | SIM****H3 | £25.30 | 5 days | |
| MIL3L1536UNBMK | 36 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | 5 days | |
| MIL3L1536UNBXC | 36 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | 5 days | |
| MIL3L1536UNK20 | 36 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIL4L1532UNBMK | 32 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | 5 days | |
| MIL4L1532UNBXC | 32 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | 5 days | |
| MIL4L1532UNK20 | 32 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIL4L1536UNBMK | 36 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | 5 days | |
| MIL4L1536UNBXC | 36 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | 5 days | |
| MIL4L1536UNK20 | 36 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIL5L1524UNBXC | 24 | 5.1 | 15 | BXC | SIM****H5 | £21.53 | 5 days | |
| MIL5L1528UNBMK | 28 | 4.9 | 15 | BMK | SIM****H5 | £28.00 | 5 days | |
| MIL5L1528UNBXC | 28 | 4.9 | 15 | BXC | SIM****H5 | £25.48 | 5 days | |
| MIL5L1528UNK20 | 28 | 4.9 | 15 | K20 | SIM****H5 | £24.20 | 5 days | |
| MIL5L1528UNTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |
| MIL5L1820UNBMK | 20 | 5 | 18 | BMK | SIM****H5 | £27.98 | 5 days | |
| MIL5L1820UNBXC | 20 | 5 | 18 | BXC | SIM****H5 | £25.40 | 5 days | |
| MIL5L1820UNK20 | 20 | 5 | 18 | K20 | SIM****H5 | £24.18 | 5 days | |
| MIL6L1818UNBMK | 18 | 6.2 | 18 | BMK | SIM****H6 | £30.00 | 5 days | |
| MIL6L1818UNBXC | 18 | 6.2 | 18 | BXC | SIM****H6 | £27.28 | 5 days | |
| MIL6L1818UNK20 | 18 | 6.2 | 18 | K20 | SIM****H6 | £25.90 | 5 days | |
| MIL6L1824UNBMK | 24 | 6.5 | 18 | BMK | SIM****H6 | £30.00 | 5 days | |
| MIL6L1824UNBXC | 24 | 6.5 | 18 | BXC | SIM****H6 | £27.28 | 5 days | |
| MIL6L1824UNK20 | 24 | 6.5 | 18 | K20 | SIM****H6 | £25.90 | 5 days |
No products match your filters.


