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Bernardo  |  SKU: 24-1051

Extension socket CM 5 / 4

€90,94 (22% VAT incl.)
Soluzione business fino a 30 rate

Consegna e Spedizione

Noi di Krollit garantiamo un processo di spedizione sicuro e affidabile. Gli ordini vengono gestiti con la massima cura e tracciabilità fino alla consegna.

Per spedizioni internazionali, ti invitiamo a inviare la richiesta tramite l’apposito form di contatto.

Al momento della consegna, firma sempre la bolla con la dicitura “con riserva di controllo”, così da permettere la corretta gestione di eventuali irregolarità o difformità del prodotto.

Il nostro obiettivo è assicurarti un servizio puntuale e un’esperienza d’acquisto senza pensieri.

Descrizione

Morse taper extension sleeve CM 5/4 — tool holders MT 4 in machine seats MT 5. Fully hardened, internal and external taper ground according to DIN 2187. Made in Austria, distributed in Italy by Krollit — official Bernardo distributor since 2007.

  • External taper: MT 5
  • Internal taper: MT 4
  • Standard: DIN 2187
  • Workmanship: Fully hardened, taper ground

Technical specifications

Specification Value
External taper (machine) MT 5
Internal taper (tool) MT 4
Standard DIN 2187
Workmanship Fully hardened, taper ground

Logistics

Original spare parts available with 3–5 working days shipping. Customer support in Italian available.

Frequently asked questions

What is a CM 5/4 extension sleeve for and when is it needed?

The CM 5/4 extension sleeve has an external taper MT 5 (it fits into the machine) and an internal taper MT 4 (it holds the tool). It allows mounting tools with MT 4 Morse taper shanks on machines with MT 5 Morse taper seats — the larger number is the machine taper, the smaller is the tool taper. The extension sleeve allows the smaller tool to fill the larger seat, maintaining DIN 2187 concentricity.

Difference between extension sleeve and reduction sleeve?

An extension sleeve takes a smaller taper (tool) into a larger seat (machine): CM 5/4 → the machine has MT 5, the tool has MT 4. A reduction sleeve does the opposite — it takes a larger taper into a smaller seat. They are not interchangeable. Always check which one you need before purchasing.

How do you remove the sleeve from the Morse taper seat?

With the ejector pin (drawbar) that slides into the spindle hole: insert the pin from the opposite side and tap with a hammer. Alternatively, use the flat extraction wedge inserted into the spindle slot. Never force it with improvised tools — the Morse taper is self-locking and lateral force can damage the seat.

Delivery times?

Original spare parts available with 3–5 working days shipping. Customer support in Italian available.

Sicurezza del prodotto

Recensioni

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