Please log in here to access all benefits, including promotional discounts and faster checkouts.


Carmex Thread Turning Holder Carbide with Through Coolant - Internal - Right Hand - 250mm OAL - 22IR Insert - 20 Shank Size
| Type | Carbide Shank with Through Coolant |
| Internal or External | Internal |
| Minimum Bore | 24 |
| Shank Size | 20 |
| Hand | Right |
| Overall Length | 250 |
Learn more about Klarna
Precision internal threading meets robust stability with the Carmex Thread Turning Holder with Carbide Shank. Built for machinists who demand clean, accurate internal threads in deep bores, this holder delivers through-coolant cooling, a rigid carbide shank, and a secure screw-clamp insert system.
- Overall Length (OAL): 250 mm for deep bore threading and versatile reach
- Right-Hand Configuration: Optimized for right-hand internal threading applications
- Carbide Shank: Offers high rigidity and wear resistance to minimize tool deflection
- Through-Coolant Bore: Through-coolant channel enhances chip evacuation and maintains consistent cooling
- Screw-Clamp Insert Connection: Secure clamping minimizes insert movement for reliable cutting
- Insert Compatibility: Designed to use standard 22IR carbide inserts for efficient tooling
- Shank Size: 20 mm diameter fits common toolholders and supports stable cutting
This tool is ideal for producing precise internal threads on a range of workpieces, from small bores to larger diameters, where dimensional accuracy and surface finish matter. The carbide shank and screw-clamp system work together to reduce chatter and misalignment, delivering consistent thread quality even under heavier feeds. The through-coolant design helps manage heat and evacuate chips, extending tool life and maintaining tight tolerances across multiple operations, including leadscrew housings, hydraulic components, and cylindrical bores that demand reliable internal threading performance.
| Type | Carbide Shank with Through Coolant |
| Internal or External | Internal |
| Minimum Bore | 24 |
| Shank Size | 20 |
| Hand | Right |
| Overall Length | 250 |
| Insert | 22IR |
| Reach | 100 |
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 Screw Clamp Threading Bars Carbide Shank Internal - Coolant Bore - R/L Hand - for IR/IL Inserts
View full collection →You are viewing SIR0020S22CB. Click any other SKU to view its full details.
| Product SKU | Minimum Bore | Shank Size | Overall Length | Insert | Reach | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| SIR0005H06CB | 6 | 6 | 100 | 06IR | £147.04 | 5 days | ||
| SIR0007K08CB | 7.8 | 8 | 125 | 08IR | £164.08 | In Stock | ||
| SIR0008K08UCB | 9 | 8 | 125 | 08UIR | £196.04 | 5 days | ||
| SIR0010M11CB | 12 | 10 | 150 | 11IR | £225.64 | In Stock | ||
| SIR0012P11CB | 15 | 12 | 170 | 11IR | £271.00 | 5 days | ||
| SIR0016R16CB | 19 | 16 | 200 | 16IR | £393.80 | 5 days | ||
| SIR0020S16CB | 24 | 20 | 250 | 16IR | £485.88 | 5 days | ||
| SIR0025S16CB | 29 | 25 | 250 | 16IR | £654.20 | 5 days | ||
| SIR0020S22CB Viewing | 24 | 20 | 250 | 22IR | 100 | £509.56 | 5 days | |
| SIL0005H06CB | 6 | 6 | 100 | 06IL | £176.46 | 5 days | ||
| SIL0007K08CB | 7.8 | 8 | 125 | 08IL | £196.90 | 5 days | ||
| SIL0008K08UCB | 9 | 8 | 125 | 08UIL | £235.26 | 5 days | ||
| SIL0010M11CB | 12 | 10 | 150 | 11IL | £270.72 | 5 days | ||
| SIL0012P11CB | 15 | 12 | 170 | 11IL | £325.14 | 5 days | ||
| SIL0016R16CB | 19 | 16 | 200 | 16IL | £472.54 | 5 days | ||
| SIL0020S16CB | 24 | 20 | 250 | 16IL | £583.00 | 5 days | ||
| SIL0025S16CB | 29 | 25 | 250 | 16IL | £710.08 | 5 days |
No products match your filters.