Please log in here to access all benefits, including promotional discounts and faster checkouts.
Carmex Carbide Tiny Tool - Threading - MIL - Metric - K20 Grade - 3.2mm Minimum Diameter x 15mm Reach (Left Hand)
SKU:MIL3L150.75ISOK20
The Carmex Carbide Tiny Tool – Threading – MIL – Metric – K20 Grade is a compact, precision ISO threading tool designed for small-diameter parts. Crafted from premium K20-grade carbide for excepti...
Read more ↓
Material Compatibility
M
K
N
S
Specification
View all specifications ↓
Download Cutting Data
| Application | Threading (MIL) |
| Thread Form | Metric |
| Pitch or Pitch Range | 0.75 |
| Minimum Diameter | 3.2 |
| Reach | 15 |
| Grade | K20 |
£23.65
Prices shown ex. VAT
5 days estimated lead time
— subject to availability
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Learn more about Klarna
The Carmex Carbide Tiny Tool – Threading – MIL – Metric – K20 Grade is a compact, precision ISO threading tool designed for small-diameter parts. Crafted from premium K20-grade carbide for exceptional wear resistance, it delivers accurate threads in tight spaces with a 3.2 mm minimum diameter, 15 mm reach, and left-hand threading compatibility.
- Ultra-compact size for tight work: The tool’s small diameter and short reach let you thread tiny components in confined areas without sacrificing accuracy.
- Left-hand threading capability: Specifically designed to cut left-handed threads, expanding compatibility for common assemblies and specialty tasks.
- K20-grade carbide for durability: Premium carbide provides high hardness and wear resistance, delivering long tool life and consistent performance across jobs.
This tool enables precise, repeatable threading on small parts, even in restricted spaces, helping you reduce setup time and downtime while delivering reliable results on MIL and ISO-threaded components. Its compact form and durable carbide support efficient workflows, improved surface finish, and overall performance across a range of machines and applications.
| Application | Threading (MIL) |
| Thread Form | Metric |
| Pitch or Pitch Range | 0.75 |
| Minimum Diameter | 3.2 |
| Reach | 15 |
| Grade | K20 |
| Holder | SIM****H3 |
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.
★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
★★★★★
first place we look
honest about stock and prices are competitive.
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
★★★★★
Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Full Range: Carmex Carbide Tiny Tools - Small Threading ISO Tool (MIR)
View full collection →You are viewing MIL3L150.75ISOK20. Click any other SKU to view its full details.
| Product SKU | Pitch or Pitch Range | Minimum Diameter | Reach | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MIR3L100.5ISOBMK | 0.5 | 2.4 | 10 | BMK | SIM****H3 | £28.70 | 5 days | |
| MIR3L100.5ISOBXC | 0.5 | 2.4 | 10 | BXC | SIM****H3 | £26.08 | 5 days | |
| MIR3L150.5ISOBMK | 0.5 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | In Stock | |
| MIR3L150.5ISOBXC | 0.5 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | In Stock | |
| MIR3L150.75ISOBMK | 0.75 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | 5 days | |
| MIR3L150.75ISOBXC | 0.75 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | 5 days | |
| MIR3L150.7ISOBMK | 0.7 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | 5 days | |
| MIR3L150.7ISOBXC | 0.7 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | In Stock | |
| MIR4L150.5ISOBMK | 0.5 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | In Stock | |
| MIR4L150.5ISOBXC | 0.5 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | In Stock | |
| MIR4L150.75ISOBMK | 0.75 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | 5 days | |
| MIR4L150.75ISOBXC | 0.75 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | In Stock | |
| MIR4L150.8ISOBMK | 0.8 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | In Stock | |
| MIR4L150.8ISOBXC | 0.8 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | In Stock | |
| MIR5L151.0ISOBMK | 1 | 4.9 | 15 | BMK | SIM****H5 | £28.00 | In Stock | |
| MIR5L151.0ISOBXC | 1 | 4.9 | 15 | BXC | SIM****H5 | £25.48 | In Stock | |
| MIR6L221.25ISOBMK | 1.25 | 6.1 | 22 | BMK | SIM****H6 | £30.00 | 5 days | |
| MIR6L221.25ISOBXC | 1.25 | 6.1 | 22 | BXC | SIM****H6 | £27.28 | 5 days | |
| MIR6L221.5ISOBMK | 1.5 | 6.1 | 22 | BMK | SIM****H6 | £30.00 | 5 days | |
| MIR6L221.5ISOBXC | 1.5 | 6.1 | 22 | BXC | SIM****H6 | £27.28 | 5 days | |
| MIR5L151.0ISOK20 | 1 | 4.9 | 15 | K20 | SIM****H5 | £24.20 | 5 days | |
| MIR3L150.75ISOK20 | 0.75 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIR3L150.7ISOK20 | 0.7 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIR3L150.5ISOK20 | 0.5 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIR3L100.5ISOK20 | 0.5 | 2.4 | 10 | K20 | SIM****H3 | £20.95 | 5 days | |
| MIR6L221.25ISOK20 | 1.25 | 6.1 | 22 | K20 | SIM****H6 | £25.90 | 5 days | |
| MIR4L150.8ISOK20 | 0.8 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIR4L150.5ISOK20 | 0.5 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIR6L221.5ISOK20 | 1.5 | 6.1 | 22 | K20 | SIM****H6 | £25.90 | 5 days | |
| MIR4L150.75ISOK20 | 0.75 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIR5L151.0ISOTNX | 1 | 4.9 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |
| MIR6L221.25ISOTNX | 1.25 | 6.1 | 22 | TNX | SIM****H6 | £27.65 | 5 days | |
| MIR4L150.5ISOTNX | 0.5 | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |
| MIR4L150.75ISOTNX | 0.75 | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |
| MIL3L100.5ISOBMK | 0.5 | 2.4 | 10 | BMK | SIM****H3 | £28.70 | 5 days | |
| MIL3L100.5ISOBXC | 0.5 | 2.4 | 10 | BXC | SIM****H3 | £22.05 | 5 days | |
| MIL3L100.5ISOK20 | 0.5 | 2.4 | 10 | K20 | SIM****H3 | £20.95 | 5 days | |
| MIL3L150.5ISOBMK | 0.5 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | 5 days | |
| MIL3L150.5ISOBXC | 0.5 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | 5 days | |
| MIL3L150.5ISOK20 | 0.5 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIL3L150.75ISOBMK | 0.75 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | 5 days | |
| MIL3L150.75ISOBXC | 0.75 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | 5 days | |
| MIL3L150.75ISOK20 Viewing | 0.75 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIL3L150.7ISOBMK | 0.7 | 3.2 | 15 | BMK | SIM****H3 | £27.35 | 5 days | |
| MIL3L150.7ISOBXC | 0.7 | 3.2 | 15 | BXC | SIM****H3 | £24.93 | 5 days | |
| MIL3L150.7ISOK20 | 0.7 | 3.2 | 15 | K20 | SIM****H3 | £23.65 | 5 days | |
| MIL4L150.5ISOBMK | 0.5 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | 5 days | |
| MIL4L150.5ISOBXC | 0.5 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | 5 days | |
| MIL4L150.5ISOK20 | 0.5 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIL4L150.5ISOTNX | 0.5 | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |
| MIL4L150.75ISOBMK | 0.75 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | 5 days | |
| MIL4L150.75ISOBXC | 0.75 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | 5 days | |
| MIL4L150.75ISOK20 | 0.75 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIL4L150.75ISOTNX | 0.75 | 4.1 | 15 | TNX | SIM****H4 | £25.30 | 5 days | |
| MIL4L150.8ISOBMK | 0.8 | 4.1 | 15 | BMK | SIM****H4 | £27.35 | 5 days | |
| MIL4L150.8ISOBXC | 0.8 | 4.1 | 15 | BXC | SIM****H4 | £24.93 | In Stock | |
| MIL4L150.8ISOK20 | 0.8 | 4.1 | 15 | K20 | SIM****H4 | £23.65 | 5 days | |
| MIL5L151.0ISOBMK | 1 | 4.9 | 15 | BMK | SIM****H5 | £28.00 | 5 days | |
| MIL5L151.0ISOBXC | 1 | 4.9 | 15 | BXC | SIM****H5 | £25.48 | In Stock | |
| MIL5L151.0ISOK20 | 1 | 4.9 | 15 | K20 | SIM****H5 | £24.20 | 5 days | |
| MIL5L151.0ISOTNX | 1 | 4.9 | 15 | TNX | SIM****H5 | £25.83 | 5 days | |
| MIL6L221.25ISOBMK | 1.25 | 6.1 | 22 | BMK | SIM****H6 | £30.00 | 5 days | |
| MIL6L221.25ISOBXC | 1.25 | 6.1 | 22 | BXC | SIM****H6 | £27.28 | 5 days | |
| MIL6L221.25ISOK20 | 1.25 | 6.1 | 22 | K20 | SIM****H6 | £25.90 | 5 days | |
| MIL6L221.25ISOTNX | 1.25 | 6.1 | 22 | TNX | SIM****H6 | £27.68 | 5 days | |
| MIL6L221.5ISOBMK | 1.5 | 6.1 | 22 | BMK | SIM****H6 | £25.35 | 5 days | |
| MIL6L221.5ISOBXC | 1.5 | 6.1 | 22 | BXC | SIM****H6 | £27.28 | 5 days | |
| MIL6L221.5ISOK20 | 1.5 | 6.1 | 22 | K20 | SIM****H6 | £21.90 | 5 days |
No products match your filters.
