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Carmex Carbide Tiny Tool - Threading - MIL - G55° BSP - K20 Grade - 4.7mm Minimum Diameter x 17mm Reach (Left Hand)
| Application | Threading (MIL) |
| Thread Form | G55° BSW |
| Pitch or Pitch Range | 20 |
| Minimum Diameter | 4.7 |
| Reach | 17 |
| Grade | K20 |
Learn more about Klarna
The Carmex Carbide Tiny Tools - Small Threading G55° BSP Tool (MIL) is a precision threading tool designed for micro-scale applications. Ideal for engineers, machinists, and hobbyists who work with miniature components, it delivers accurate BSP threads with dependable consistency.
Featuring a 4.7 mm minimum diameter and 17 mm reach in a left-hand configuration, the tool pairs premium carbide performance with broad machine compatibility to handle tight-tolerance threading across a variety of setups.
- Ultra-precise G55° BSP threading: Delivers tight tolerances and clean thread profiles on small parts, enabling reliable assemblies with BSP-threaded components.
- Premium carbide for long tool life: High-grade carbide construction resists wear and heat, extending cutting life and reducing downtime from tool changes.
- Compact left-hand design for tight spaces: The small 4.7 mm diameter and 17 mm reach allow access in restricted areas, speeding setup and improving yield on delicate micro-threading tasks.
This tool helps you streamline micro-threading work by delivering repeatable results across jobs, reducing rework and material waste. Its robust carbide core, precise geometry, and compact form work together to boost productivity, support consistent quality, and minimize machine downtime—whether you're producing prototypes or running small-batch parts.
| Application | Threading (MIL) |
| Thread Form | G55° BSW |
| Pitch or Pitch Range | 20 |
| Minimum Diameter | 4.7 |
| Reach | 17 |
| Grade | K20 |
| Holder | SIM****H5 |
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 G55° BSP Tool (MIR)
View full collection →You are viewing MIL5L1720WK20. Click any other SKU to view its full details.
| Product SKU | Thread Form | Pitch or Pitch Range | Minimum Diameter | Reach | Grade | Holder | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MIR5L1720WBMK | G55° BSW | 20 | 4.7 | 17 | BMK | SIM****H5 | £28.70 | 5 days | |
| MIR5L1720WBXC | G55° BSW | 20 | 4.7 | 17 | BXC | SIM****H5 | £26.08 | 5 days | |
| MIR6L1719WBMK | 19 | 7 | 17 | BMK | SIM****H6 | £32.83 | 5 days | ||
| MIR6L1719WBXC | 19 | 7 | 17 | BXC | SIM****H6 | £29.85 | In Stock | ||
| MIR6L1728WBMK | 28 | 6.5 | 17 | BMK | SIM****H6 | £32.83 | 5 days | ||
| MIR6L1728WBXC | 28 | 6.5 | 17 | BXC | SIM****H6 | £29.85 | 5 days | ||
| MIR5L1720WK20 | G55° BSW | 20 | 4.7 | 17 | K20 | SIM****H5 | £20.95 | 5 days | |
| MIR6L1719WK20 | 19 | 7 | 17 | K20 | SIM****H6 | £23.98 | 5 days | ||
| MIR6L1728WK20 | 28 | 6.5 | 17 | K20 | SIM****H6 | £23.98 | 5 days | ||
| MIR6L1728WTNX | 28 | 6.5 | 17 | TNX | SIM****H6 | £30.28 | 5 days | ||
| MIL5L1720WBMK | G55° BSW | 20 | 4.7 | 17 | BMK | SIM****H5 | £24.25 | 5 days | |
| MIL5L1720WBXC | G55° BSW | 20 | 4.7 | 17 | BXC | SIM****H5 | £22.05 | 5 days | |
| MIL5L1720WK20 Viewing | G55° BSW | 20 | 4.7 | 17 | K20 | SIM****H5 | £20.95 | 5 days | |
| MIL6L1719WBMK | 19 | 7 | 17 | BMK | SIM****H6 | £27.75 | 5 days | ||
| MIL6L1719WBXC | 19 | 7 | 17 | BXC | SIM****H6 | £29.85 | 5 days | ||
| MIL6L1719WK20 | 19 | 7 | 17 | K20 | SIM****H6 | £23.95 | 5 days | ||
| MIL6L1728WBMK | 28 | 6.5 | 17 | BMK | SIM****H6 | £27.75 | 5 days | ||
| MIL6L1728WBXC | 28 | 6.5 | 17 | BXC | SIM****H6 | £25.23 | 5 days | ||
| MIL6L1728WK20 | 28 | 6.5 | 17 | K20 | SIM****H6 | £23.95 | 5 days | ||
| MIL6L1728WTNX | 28 | 6.5 | 17 | TNX | SIM****H6 | £30.28 | 5 days |
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