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Carmex Thread Turning Holder Quick Change (CAT) Polygon - Internal - Right Hand - 80mm OAL - 16IR Insert - C4 Shank Size
| Type | Quick Change (CAT)(Polygon) |
| Internal or External | Internal |
| Minimum Bore | 44 |
| Shank Size | C4 |
| Hand | Right |
| Overall Length | 80 |
Learn more about Klarna
Meet the Carmex Thread Turning Holder Quick Change (CAT) Polygon — a precision tool designed for professionals who demand fast, reliable internal threading on CNC machines. Built for CAT system users, this holder delivers quick-change efficiency without compromising thread accuracy or surface finish.
- CAT polygon compatibility: Designed to fit the CAT toolholder system for rapid, repeatable tool changes during threading operations.
- Internal thread turning: Specifically engineered for accurate internal threading across common profiles with consistent depth and pitch.
- Right-hand orientation: Optimized for clockwise threading sequences with stable tool engagement and predictable chip flow.
- 80 mm OAL (overall length): Compact, rigid body that clears setup constraints while preserving reach for internal threads.
- 16IR insert: High-performance carbide insert geometry tailored for internal threading applications, delivering clean cuts and long edge life.
- C4 shank size: Standardized shank diameter for broad machine compatibility and secure clamping in CAT holders.
- Quick-change capability: Minimize downtime with fast tool changes, boosting spindle uptime in high-volume threading work.
- Rigid polygon design: Polygon geometry enhances rigidity, reduces deflection, and maintains consistent thread quality even on tougher materials.
This holder is ideal for automotive, aerospace, and general manufacturing environments where precise internal threads are a daily requirement. It supports a range of thread profiles, provides repeatable starts and finishes, and aligns with existing CAT tooling to simplify setup and changeovers. Built for durability in demanding shops, it helps machinists achieve reliable thread quality while maximizing production efficiency.
| Type | Quick Change (CAT)(Polygon) |
| Internal or External | Internal |
| Minimum Bore | 44 |
| Shank Size | C4 |
| Hand | Right |
| Overall Length | 80 |
| Insert | 16IR |
| Reach | 60 |
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 Thread Turning Holders - Internal - Quick Change (CAT) Polygon
View full collection →You are viewing P40-SIR27080-16. Click any other SKU to view its full details.
| Product SKU | Minimum Bore | Shank Size | Hand | Overall Length | Insert | Reach | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| P40-SIR12060-16 | 20 | C4 | Right | 60 | 16IR | 37 | £156.86 | 5 days | |
| P40-SIR14060-16 | 25 | C4 | Right | 60 | 16IR | 38 | £156.86 | 5 days | |
| P40-SIR17070-16 | 29 | C4 | Right | 70 | 16IR | 48 | £156.86 | 5 days | |
| P40-SIR22090-16 | 36 | C4 | Right | 90 | 16IR | 69 | £156.86 | 5 days | |
| P40-SIR27080-16 Viewing | 44 | C4 | Right | 80 | 16IR | 60 | £156.86 | 5 days | |
| P50-SIR12060-16 | 20 | C5 | Right | 60 | 16IR | 35 | £173.98 | 5 days | |
| P50-SIR14060-16 | 25 | C5 | Right | 60 | 16IR | 36 | £173.98 | 5 days | |
| P50-SIR17070-16 | 29 | C5 | Right | 70 | 16IR | 47 | £173.98 | 5 days | |
| P50-SIR22090-16 | 36 | C5 | Right | 90 | 16IR | 68 | £173.98 | 5 days | |
| P50-SIR27105-16 | 44 | C5 | Right | 105 | 16IR | 84 | £173.98 | 5 days | |
| P63-SIR14070-16 | 25 | C6 | Right | 70 | 16IR | 42 | £292.70 | 5 days | |
| P63-SIR17075-16 | 29 | C6 | Right | 75 | 16IR | 48 | £292.70 | 5 days | |
| P63-SIR22090-16 | 36 | C6 | Right | 90 | 16IR | 64 | £199.04 | 5 days | |
| P63-SIR27105-16 | 44 | C6 | Right | 105 | 16IR | 80 | £199.04 | 5 days | |
| P40-SIR15065-22 | 25 | C4 | Right | 65 | 22IR | 42 | £156.86 | 5 days | |
| P40-SIR19070-22 | 29 | C4 | Right | 70 | 22IR | 48 | £156.86 | 5 days | |
| P40-SIR22090-22 | 38 | C4 | Right | 90 | 22IR | 69 | £156.86 | 5 days | |
| P40-SIR27080-22 | 46 | C4 | Right | 80 | 22IR | 60 | £156.86 | 5 days | |
| P50-SIR15065-22 | 25 | C5 | Right | 65 | 22IR | 41 | £173.98 | 5 days | |
| P50-SIR19070-22 | 29 | C5 | Right | 70 | 22IR | 47 | £173.98 | 5 days | |
| P50-SIR22090-22 | 38 | C5 | Right | 90 | 22IR | 68 | £173.98 | 5 days | |
| P50-SIR27105-22 | 46 | C5 | Right | 105 | 22IR | 84 | £173.98 | 5 days | |
| P63-SIR19075-22 | 29 | C6 | Right | 75 | 22IR | 48 | £292.70 | 5 days | |
| P63-SIR22090-22 | 38 | C6 | Right | 90 | 22IR | 64 | £199.04 | 5 days | |
| P63-SIR27105-22 | 46 | C6 | Right | 105 | 22IR | 80 | £199.04 | 5 days |
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