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Carmex Carbide Tiny Tool - Threading - MIL - Metric - TNX Grade - 4.1mm Minimum Diameter x 15mm Reach (Left Hand)
| Application | Threading (MIL) |
| Thread Form | Metric |
| Pitch or Pitch Range | 0.5 |
| Minimum Diameter | 4.1 |
| Reach | 15 |
| Grade | TNX |
Learn more about Klarna
Carmex Carbide Tiny Tools - Small Threading ISO Tool (MIL) is a compact, high-precision threading cutter designed for small-diameter features. It’s built for engineers, machinists, buyers, hobbyists, and tradespeople who need reliable left-hand threads in tight spaces.
Machined from premium TNX-grade carbide, this tool offers exceptional hardness, wear resistance, and long cutting life. With a 4.1 mm minimum diameter and 15 mm reach, it accesses confined features while delivering accurate thread forms across MIL and Metric standards.
- Micro-threading precision: Delivers clean, accurate threads on small-diameter features with consistent pitch and surface finish.
- TNX-grade carbide durability: Delivers exceptional wear resistance and edge stability for long tool life and dependable performance across multiple jobs.
- MIL/ISO compatibility with left-hand threading: Supports MIL and ISO thread standards and is optimized for left-hand threads, offering versatile use across compatible machines.
This tool helps you streamline tiny-thread projects by enabling precise starts, reducing rework, and delivering repeatable results in cramped or hard-to-reach areas. Its robust carbide construction and thoughtful geometry mean fewer tool changes and more consistent performance, whether you’re repairing small components or producing precise left-hand threads in tight assemblies.
| Application | Threading (MIL) |
| Thread Form | Metric |
| Pitch or Pitch Range | 0.5 |
| Minimum Diameter | 4.1 |
| Reach | 15 |
| Grade | TNX |
| Holder | SIM****H4 |
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 - Face Grooving - Grade TNX (MFL)
View full collection →You are viewing MIL4L150.5ISOTNX. Click any other SKU to view its full details.
| Product SKU | Pitch or Pitch Range | Minimum Diameter | Reach | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MZR6R0.5L22TNX | 8 | 1 | 1.2 | 22 | TNX | £33.28 | 5 days | |
| MZR4R0.5L15TNX | 5 | 1 | 1.2 | 15 | TNX | £28.84 | 5 days | |
| MZR6R0.75L22TNX | 8 | 1.5 | 1.5 | 22 | TNX | £33.28 | 5 days | |
| MZR6R1.0L22TNX | 8 | 2 | 2.5 | 22 | TNX | £33.28 | 5 days | |
| MZL6R1.0L22TNX | 8 | 2 | 2.5 | 22 | TNX | £33.28 | 5 days | |
| MZL6R0.5L22TNX | 8 | 1 | 1.2 | 22 | TNX | £33.28 | In Stock | |
| MIR6L22A55TNX | (0.5-1.5mm) (48-16 TPI) | 6 | 22 | TNX | SIM****H6 | £32.20 | 5 days | |
| MIR6L15A55TNX | (0.5-1.5mm) (48-16 TPI) | 6 | 15 | TNX | SIM****H6 | £30.62 | 5 days | |
| MIR5L15A60TNX | (1.0-1.25mm) (24-20 TPI) | 5.1 | 15 | TNX | SIM****H5 | £30.07 | 5 days | |
| MIR5L22A60TNX | (1.0-1.25mm) (24-20 TPI) | 5.1 | 22 | TNX | SIM****H6 | £31.50 | 5 days | |
| MIR6L15A60TNX | (1.0-1.5mm) (24-16 TPI) | 6 | 15 | TNX | SIM****H6 | £30.62 | 5 days | |
| MIR4L15A60TNX | (0.8-1.0mm) (32-24 TPI) | 4.1 | 15 | TNX | SIM****H4 | £29.44 | 5 days | |
| MIR6L22A60TNX | (1.0-1.5mm) (24-16 TPI) | 6 | 22 | TNX | SIM****H6 | £32.20 | 5 days | |
| MIR8L22A60TNX | (1.0-2.0mm) (24-13 TPI) | 8 | 22 | TNX | SIM****H8 | £36.81 | 5 days | |
| MIR5L151.0ISOTNX | 1 | 4.9 | 15 | TNX | SIM****H5 | £30.07 | 5 days | |
| MIR6L221.25ISOTNX | 1.25 | 6.1 | 22 | TNX | SIM****H6 | £32.20 | 5 days | |
| MIR4L150.5ISOTNX | 0.5 | 4.1 | 15 | TNX | SIM****H4 | £29.44 | 5 days | |
| MIR4L150.75ISOTNX | 0.75 | 4.1 | 15 | TNX | SIM****H4 | £29.44 | 5 days | |
| MIR5L1528UNTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £30.07 | 5 days | |
| MIR3L1532UNTNX | 32 | 3.2 | 15 | TNX | SIM****H3 | £29.44 | 5 days | |
| MIR6L1527NPTTNX | 27 | 5.9 | 15 | 1/16 X 27NPT | 1/8 X 27NPT | £30.62 | 5 days | |
| MIR8L3010ACMETNX | 10 | 10 | 30 | TNX | SIM****H8 | £51.89 | 5 days | |
| MIR7L252TRTNX | 2 | 6.9 | 25 | TR9X2 | TR10X2 | £45.19 | 5 days | |
| MIR7L353TRTNX | 3 | 7.5 | 35 | TR11X3 | TR12X3 | £49.66 | In Stock | |
| MIR5L1528UNJTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £29.51 | 5 days | |
| MIR6L1728WTNX | 28 | 6.5 | 17 | TNX | SIM****H6 | £35.23 | 5 days | |
| MIL3L1532UNTNX | 32 | 3.2 | 15 | TNX | SIM****H3 | £29.44 | 5 days | |
| MIL4L150.5ISOTNX Viewing | 0.5 | 4.1 | 15 | TNX | SIM****H4 | £29.44 | 5 days | |
| MIL4L150.75ISOTNX | 0.75 | 4.1 | 15 | TNX | SIM****H4 | £29.44 | 5 days | |
| MIL4L15A60TNX | (0.8-1.0mm) (32-24 TPI) | 4.1 | 15 | TNX | SIM****H4 | £29.44 | 5 days | |
| MIL5L151.0ISOTNX | 1 | 4.9 | 15 | TNX | SIM****H5 | £30.07 | 5 days | |
| MIL5L1528UNJTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £29.51 | 5 days | |
| MIL5L1528UNTNX | 28 | 4.9 | 15 | TNX | SIM****H5 | £30.07 | 5 days | |
| MIL5L15A60TNX | (1.0-1.25mm) (24-20 TPI) | 5.1 | 15 | TNX | SIM****H5 | £30.07 | 5 days | |
| MIL5L22A60TNX | (1.0-1.25mm) (24-20 TPI) | 5.1 | 22 | TNX | SIM****H6 | £31.50 | 5 days | |
| MIL6L1527NPTTNX | 27 | 5.9 | 15 | 1/16 X 27NPT | 1/8 X 27NPT | £30.62 | 5 days | |
| MIL6L15A55TNX | (0.5-1.5mm) (48-16 TPI) | 6 | 15 | TNX | SIM****H6 | £30.62 | 5 days | |
| MIL6L15A60TNX | (1.0-1.5mm) (24-16 TPI) | 6 | 15 | TNX | SIM****H6 | £30.62 | 5 days | |
| MIL6L1728WTNX | 28 | 6.5 | 17 | TNX | SIM****H6 | £35.23 | 5 days | |
| MIL6L221.25ISOTNX | 1.25 | 6.1 | 22 | TNX | SIM****H6 | £32.20 | 5 days | |
| MIL6L22A55TNX | (0.5-1.5mm) (48-16 TPI) | 6 | 22 | TNX | SIM****H6 | £32.20 | 5 days | |
| MIL6L22A60TNX | (1.0-1.5mm) (24-16 TPI) | 6 | 22 | TNX | SIM****H6 | £32.20 | 5 days | |
| MIL7L252TRTNX | 2 | 6.9 | 25 | TR9X2 | TR10X2 | £45.19 | 5 days | |
| MIL7L353TRTNX | 3 | 7.5 | 35 | TR11X3 | TR12X3 | £49.66 | 5 days | |
| MIL8L22A60TNX | (1.0-2.0mm) (24-13 TPI) | 8 | 22 | TNX | SIM****H8 | £36.81 | 5 days | |
| MIL8L3010ACMETNX | 10 | 10 | 30 | TNX | SIM****H8 | £51.89 | 5 days |
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