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Carmex Carbide Tiny Tool - Threading - MIR - G55° BSP - BMK 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
The Carmex Carbide Tiny Tool is a compact threading cutter designed for small-diameter workpieces. Built around an ACME thread form (MIR) and a G55° BSP geometry, it delivers precise trapezoidal threads in tight spaces. Manufactured from premium BMK Grade carbide, it offers exceptional wear resistance and long tool life. With a minimum diameter of 4.7 mm and a reach of 17 mm, it’s ready for delicate, detail-oriented threading tasks.
Because it is compatible with a wide range of machines and systems, the Carmex Tiny Tool slides into existing setups with minimal fuss, making it suitable for engineering shops, makerspaces, and field service alike.
- Premium BMK-grade carbide: Delivers long tool life and maintains sharp thread form through repeated passes for reliable, consistent ACME threading.
- Small-diameter, 17 mm reach: 4.7 mm minimum diameter and 17 mm reach enable threading of tiny parts and hard-to-reach features without compromising stability.
- Broad machine compatibility: Designed to fit a wide range of machines and tool holders, reducing setup time and simplifying integration into existing workflows.
This tool helps you produce precise trapezoidal ACME threads on small components, improves workflow efficiency, and delivers repeatable results across jobs. Its durable carbide construction, compact footprint, and versatile compatibility make it a dependable choice for technicians, engineers, and hobbyists working on tight-tolerance threading tasks.
Part Numbers
- Protool Part Number
- MIR5L1720WBMK
- 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 MIR5L1720WBMK. 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 Viewing | 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 | 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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