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Bernardo  |  SKU: 24-1032

Reduction socket CM 6 / 5

€76,45 (22% VAT incl.)
Business solution up to 30 installments

Delivery and Shipping

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Description

Morse taper reducing sleeve MT 6/5 — MT 6 tool holders in MT 5 machine spindles. Fully hardened, internal and external taper ground according to DIN 2185. Made in Austria, in the Krollit catalog since 2007 as an official Bernardo distributor.

  • External taper: MT 6
  • Internal taper: MT 5
  • Length: 218 mm
  • Standard: DIN 2185
  • Workmanship: Fully hardened, taper ground

Technical specifications

Specification Value
External taper (machine) MT 6
Internal taper (tool) MT 5
Length 218 mm
D (outer diameter) 63.8 mm
d (inner diameter) 44.399 mm
Standard DIN 2185
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 MT 6/5 reducing sleeve used for?

The MT 6/5 reducing sleeve has an MT 6 external taper (for the tool) and an MT 5 internal taper (for the machine spindle). It allows you to use tools with a larger MT 6 shank in machines with a smaller MT 5 spindle — the opposite of an extension sleeve. Length: 218 mm, D: 63.8 mm, d: 44.399 mm. Fully hardened and ground according to DIN 2185.

Does the MT 6/5 reduction lose concentricity compared to direct mounting?

A quality sleeve (fully hardened, internal and external taper ground DIN 2185) introduces negligible concentricity error — typically <0.01 mm — sufficient for 95% of standard drilling and turning operations. For high-precision grinding and boring, where concentricity <0.005 mm is critical, prefer tools with the machine's native taper.

Delivery times?

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

Product safety

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