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Carmex Carbide Tiny Tool - Threading - MIR - G55° BSP - K20 Grade - 4.7mm Minimum Diameter x 17mm Reach
| Application | Threading (MIR) |
| Thread Form | G55° BSW |
| Pitch or Pitch Range | 20 |
| Minimum Diameter | 4.7 |
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Description
Meet the Carmex Carbide Tiny Tool for Threading (MIR). This compact carbide tool is designed for small-diameter threading applications, delivering precise G55° BSP thread forms on tiny components. Built for engineers, machinists, hobbyists, and shop technicians, it provides dependable performance in tight spaces.
Made from premium K20-grade carbide, this tool combines sharp cutting edges with excellent wear resistance for long tool life. With a 4.7 mm minimum diameter and a 17 mm reach, it can access confined features and handle both internal and external threading on a wide range of machines and setups.
- Precise G55° BSP threading: Delivers accurate thread profiles on small parts, reducing rework and ensuring a reliable fit across components.
- Durable K20 carbide for long life: Maintains a sharp edge and resists wear over many cycles, delivering consistent results even in demanding materials.
- Compact, versatile 17 mm reach: Fits into tight cavities and close-clearance features, enabling reliable threading without special fixtures and across many machines.
This Tiny Tool helps you streamline small-thread production, improve consistency, and shorten setup times. By enabling precise, repeatable threads on miniature components, it enhances overall workflow and project reliability.
Part Numbers
- Protool Part Number
- MIR5L1720WK20
- 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 - Small Threading G55° BSP Tool (MIR)
View full collection →You are viewing MIR5L1720WK20. 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 | 5 days | ||
| 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 Viewing | 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 | 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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