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Carmex Thread Turning Holder Carbide with Through Coolant - Internal - Right Hand - 250mm OAL - 16IR Insert - 25 Shank Size

Carmex Thread Turning Holder Carbide with Through Coolant - Internal - Right Hand - 250mm OAL - 16IR Insert - 25 Shank Size

SKU:SIR0025S16CB

Designed for precision internal threading, the Carmex Thread Turning Holder with carbide shank delivers stable, reliable performance for right-hand internal threads. Built for machinists who dema... Read more ↓
TypeCarbide Shank with Through Coolant
Internal or ExternalInternal
Minimum Bore29
Shank Size25
HandRight
Overall Length250
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£654.20
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Designed for precision internal threading, the Carmex Thread Turning Holder with carbide shank delivers stable, reliable performance for right-hand internal threads. Built for machinists who demand consistent thread quality and dependable toolholding in demanding operations.

  • Right-hand internal threading orientation: Specifically configured for internal threads cut in a right-hand direction, ensuring correct cutting geometry and chip flow for clean, accurate finishes.
  • 250 mm overall length (OAL): Provides ample reach to access deep bores and blind holes while maintaining rigidity and control during light to heavy cut conditions.
  • Carbide shank: High-stiffness carbide core minimizes deflection, preserves insert position, and supports high-accuracy thread forming and finishing.
  • Through coolant bore: Integrated coolant channel delivers cooling fluid directly to the cutting edge, aiding chip evacuation and temperature management for longer tool life and better surface finish.
  • 16IR insert compatibility: Designed to pair with standard 16IR carbide inserts, promoting stable cutting geometry and repeatable thread profiles across runs.
  • Screw clamp connection: Secure, quick-release clamping between holder and insert minimizes tool movement and prevents dislocation under demanding machining conditions.
  • Shank size: 25 mm shank size aligns with common tool posts and holders, simplifying setup and replacement in busy production environments.

This Carmex threading solution is ideal for shops seeking dependable internal thread turning with long-reach capability, robust rigidity, and efficient coolant delivery. It supports consistent thread quality across a range of diameters, reduces downtime through secure toolholding, and helps extend insert life by maintaining stable engagement and effective cooling.

Type Carbide Shank with Through Coolant
Internal or External Internal
Minimum Bore 29
Shank Size 25
Hand Right
Overall Length 250
Insert 16IR

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.

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Staff are very helpful and interested in providing a good service making us the customer feel valued.
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first place we look
honest about stock and prices are competitive.
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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
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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 SIR0025S16CB. Click any other SKU to view its full details.

Product SKUMinimum BoreShank SizeOverall LengthInsertPriceStock Order
SIR0005H06CB 6610006IR£147.04 5 days
SIR0007K08CB 7.8812508IR£164.08 In Stock
SIR0008K08UCB 9812508UIR£196.04 5 days
SIR0010M11CB 121015011IR£225.64 In Stock
SIR0012P11CB 151217011IR£271.00 5 days
SIR0016R16CB 191620016IR£393.80 5 days
SIR0020S16CB 242025016IR£485.88 5 days
SIR0025S16CB Viewing292525016IR£654.20 5 days
SIR0020S22CB 242025022IR£509.56 5 days
SIL0005H06CB 6610006IL£176.46 5 days
SIL0007K08CB 7.8812508IL£196.90 5 days
SIL0008K08UCB 9812508UIL£235.26 5 days
SIL0010M11CB 121015011IL£270.72 5 days
SIL0012P11CB 151217011IL£325.14 5 days
SIL0016R16CB 191620016IL£472.54 5 days
SIL0020S16CB 242025016IL£583.00 5 days
SIL0025S16CB 292525016IL£710.08 5 days

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