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Carmex Thread Turning Holder Standard - Internal - Left Hand - 350mm OAL - 22IL Insert - 50 Shank Size
| Type | Standard |
| Internal or External | Internal |
| Minimum Bore | 56 |
| Shank Size | 50 |
| Hand | Left |
| Overall Length | 350 |
Learn more about Klarna
The Carmex Thread Turning Holder Standard – Internal, Left Hand is a precision tool holder built for reliable internal threading on CNC lathes and turning centers. With a long reach (350 mm OAL) and a robust 50 mm shank, it’s designed to deliver accurate, repeatable threads in challenging bores.
- Left-hand orientation: Optimized for left-handed internal thread operations, delivering consistent performance in restricted cavities.
- Insert compatibility: Uses a 22 IL insert system for dependable internal threading profiles.
- U-Type compatibility: Designed to pair with U-Type inserts for a secure, precise fit and straightforward setup.
- Overall length: 350 mm OAL provides ample reach for deep internal features without repositioning the workpiece.
- Shank size: 50 mm shank offers rigidity and stable cutting conditions under demanding loads.
- Helix angle: 1.5° helix angle enhances chip evacuation and reduces cutting forces for smoother threading.
This holder is engineered to minimize vibration, extend tool life, and improve thread consistency across complex internal geometries. The combination of a long reach, sturdy shank, and optimized helix angle helps you complete deeper internal threads with fewer passes, fewer adjustments, and tighter tolerances—boosting productivity and part quality in every threaded component.
| Type | Standard |
| Internal or External | Internal |
| Minimum Bore | 56 |
| Shank Size | 50 |
| Hand | Left |
| Overall Length | 350 |
| Insert | 22IL |
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 - Internal - Right/Left Hand - For IR/IL Inserts
View full collection →You are viewing SIL0050U22. Click any other SKU to view its full details.
| Product SKU | Minimum Bore | Shank Size | Hand | Overall Length | Insert | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| SIR0005H06 | 6 | 12 | Right | 100 | 06IR | £53.12 | 5 days | |
| SIR0007K08 | 7.8 | 16 | Right | 125 | 08IR | £53.12 | In Stock | |
| SIR0008K08U | 9 | 16 | Right | 125 | 08UIR | £61.04 | 5 days | |
| SIR0010H11 | 12 | 10 | Right | 100 | 11IR | £49.72 | 5 days | |
| SIR0010K11 | 12 | 16 | Right | 125 | 11IR | £49.72 | In Stock | |
| SIR0013L11 | 15 | 16 | Right | 140 | 11IR | £49.72 | 5 days | |
| SIR0013M16 | 16 | 16 | Right | 150 | 16IR | £49.72 | 5 days | |
| SIR0016P16 | 19 | 20 | Right | 170 | 16IR | £49.72 | 5 days | |
| SIR0020P16 | 24 | 20 | Right | 170 | 16IR | £56.14 | 5 days | |
| SIR0025R16 | 29 | 25 | Right | 200 | 16IR | £71.92 | 5 days | |
| SIR0032S16 | 36 | 32 | Right | 250 | 16IR | £139.86 | 5 days | |
| SIR0040T16 | 44 | 40 | Right | 300 | 16IR | £166.47 | 5 days | |
| SIR0050U16 | 54 | 50 | Right | 350 | 16IR | £225.93 | 5 days | |
| SIR0020P22 | 24 | 20 | Right | 170 | 22IR | £56.58 | 5 days | |
| SIR0025R22 | 29 | 25 | Right | 200 | 22IR | £69.04 | 5 days | |
| SIR0032S22 | 38 | 32 | Right | 250 | 22IR | £146.70 | 5 days | |
| SIR0040T22 | 46 | 40 | Right | 300 | 22IR | £173.52 | In Stock | |
| SIR0050U22 | 56 | 50 | Right | 350 | 22IR | £242.28 | 5 days | |
| SIR0032S22U | 38 | 32 | Right | 250 | 22UIR | £151.08 | 5 days | |
| SIR0040T22U | 46 | 40 | Right | 300 | 22UIR | £188.10 | In Stock | |
| SIR0050U22U | 57 | 50 | Right | 350 | 22UIR | £268.92 | 5 days | |
| SIR0032S27 | 40 | 32 | Right | 250 | 27IR | £152.76 | 5 days | |
| SIR0040T27 | 48 | 40 | Right | 300 | 27IR | £190.83 | In Stock | |
| SIR0050U27 | 58 | 50 | Right | 350 | 27IR | £243.81 | 5 days | |
| SIR0060V27 | 68 | 60 | Right | 400 | 27IR | £292.95 | 5 days | |
| SIR0032S27U | 40 | 32 | Right | 250 | 27UIR | £163.44 | 5 days | |
| SIR0040T27U | 48 | 40 | Right | 300 | 27UIR | £197.97 | 5 days | |
| SIR0050U27U | 58 | 50 | Right | 350 | 27UIR | £245.61 | 5 days | |
| SIR0060V27U | 68 | 60 | Right | 400 | 27UIR | £302.79 | 5 days | |
| SIR0050U33U | 62 | 50 | Right | 350 | 33UIR | £408.21 | 5 days | |
| SIL0005H06 | 6 | 12 | Left | 100 | 06IL | £53.12 | 5 days | |
| SIL0007K08 | 7.8 | 16 | Left | 125 | 08IL | £53.12 | In Stock | |
| SIL0008K08U | 9 | 16 | Left | 125 | 08UIL | £61.04 | 5 days | |
| SIL0010H11 | 12 | 10 | Left | 100 | 11IL | £49.72 | 5 days | |
| SIL0010K11 | 12 | 16 | Left | 125 | 11IL | £49.72 | 5 days | |
| SIL0013L11 | 15 | 16 | Left | 140 | 11IL | £49.72 | 5 days | |
| SIL0013M16 | 16 | 16 | Left | 150 | 16IL | £49.72 | 5 days | |
| SIL0016P16 | 19 | 20 | Left | 170 | 16IL | £49.72 | 5 days | |
| SIL0020P16 | 24 | 20 | Left | 170 | 16IL | £56.14 | 5 days | |
| SIL0025R16 | 29 | 25 | Left | 200 | 16IL | £71.92 | 5 days | |
| SIL0032S16 | 36 | 32 | Left | 250 | 16IL | £93.24 | 5 days | |
| SIL0040T16 | 44 | 40 | Left | 300 | 16IL | £110.98 | 5 days | |
| SIL0050U16 | 54 | 50 | Left | 350 | 16IL | £150.62 | 5 days | |
| SIL0020P22 | 24 | 20 | Left | 170 | 22IL | £56.58 | 5 days | |
| SIL0025R22 | 29 | 25 | Left | 200 | 22IL | £69.04 | 5 days | |
| SIL0032S22 | 38 | 32 | Left | 250 | 22IL | £97.80 | 5 days | |
| SIL0040T22 | 46 | 40 | Left | 300 | 22IL | £115.68 | 5 days | |
| SIL0050U22 Viewing | 56 | 50 | Left | 350 | 22IL | £161.52 | 5 days | |
| SIL0032S22U | 38 | 32 | Left | 250 | 22UIL | £100.72 | 5 days | |
| SIL0040T22U | 46 | 40 | Left | 300 | 22UIL | £125.40 | 5 days | |
| SIL0050U22U | 57 | 50 | Left | 350 | 22UIL | £179.26 | 5 days | |
| SIL0032S27 | 40 | 32 | Left | 250 | 27IL | £101.84 | 5 days | |
| SIL0040T27 | 48 | 40 | Left | 300 | 27IL | £127.22 | 5 days | |
| SIL0050U27 | 58 | 50 | Left | 350 | 27IL | £162.54 | 5 days | |
| SIL0060V27 | 68 | 60 | Left | 400 | 27IL | £195.30 | 5 days | |
| SIL0032S27U | 40 | 32 | Left | 250 | 27UIL | £108.96 | In Stock | |
| SIL0040T27U | 48 | 40 | Left | 300 | 27UIL | £131.98 | 5 days | |
| SIL0050U27U | 58 | 50 | Left | 350 | 27UIL | £163.74 | 5 days | |
| SIL0060V27U | 68 | 60 | Left | 400 | 27UIL | £201.86 | 5 days | |
| SIL0050U33U | 62 | 50 | Left | 350 | 33UIL | £272.14 | 5 days |
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