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Carmex Thread Turning Holder Standard - Internal - Right Hand - 350mm OAL - 27IR Insert - 50 Shank Size
| Type | Standard |
| Internal or External | Internal |
| Minimum Bore | 58 |
| Shank Size | 50 |
| Hand | Right |
| Overall Length | 350 |
Learn more about Klarna
The Carmex Thread Turning Holder Standard is a precision internal-threading tool designed for machinists who demand reliable, repeatable internal threads. This right-hand holder features a 350 mm overall length and a 50 shank size, and it’s designed to work seamlessly with 27IR inserts and U-Type inserts for secure, accurate cuts.
- Right-hand internal threading holder: Optimized for internal threads from the right-hand cutting direction to ensure consistent engagement in confined bores.
- 350 mm OAL: Extended reach to access deep holes and recessed cavities without sacrificing stability.
- 27IR insert compatibility: Accepts standard 27IR inserts for reliable threading geometry and straightforward tooling changes.
- U-Type insert compatibility: Built to couple with U-Type inserts for a secure, precise fit and smooth tool alignment.
- Shank size: 50, providing robust clamping and rigid tool paths during delicate internal threading operations.
- 1.5° helix angle: Designed to optimize chip evacuation and reduce cutting forces, promoting a cleaner finish and longer insert life.
This holder delivers a practical, dependable solution for internal threading tasks, helping you achieve consistent thread quality in housings, bushings, and other deep or tight cavities. The combination of long reach, secure insert interface, and optimized chip control supports efficient setup, reduced cycle times, and repeatable results across automotive, hydraulic, and precision manufacturing applications.
| Type | Standard |
| Internal or External | Internal |
| Minimum Bore | 58 |
| Shank Size | 50 |
| Hand | Right |
| Overall Length | 350 |
| Insert | 27IR |
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 SIR0050U27. 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 Viewing | 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 | 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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