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Bernardo  |  SKU: 05-1796B

Locking pliers 18.0 mm for U3M

€45,23 (22% VAT incl.)
Business solution up to 30 installments

Delivery and Shipping

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Description

Collet chuck Ø 18.0 mm for Bernardo milling machine with U3M collet holder — for precise clamping of 18.0 mm shank tools. Made in Austria, in the Krollit catalog since 2007 as an official Bernardo distributor.

  • Tool diameter: 18.0 mm
  • Collet holder type: U3M
  • Compatible with: Bernardo T 500 PF milling machine and other milling machines with U3M collet holder
  • Material: Hardened steel

Technical specifications

Specification Value
Accepted tool diameter 18.0 mm
Collet holder type U3M
Material Hardened steel

Logistics

Original spare parts available with 3–5 business days shipping. Customer service in Italian available.

Frequently asked questions

What does "U3M" mean and which machine is this collet used with?

U3M indicates the standard thread of the collet holder for which this 18.0 mm collet is intended — it is mounted on the Bernardo T 500 PF milling machine or other milling machines with a compatible U3M collet holder. U3M collets clamp the tool from the outside with high centering precision (TIR typically <0.01 mm) — significantly superior to standard keyless chucks for precision milling and drilling operations.

What is the difference between 18.0 mm collets and the other sizes in the set?

Each collet is specific to the indicated tool shank diameter — an 18.0 mm collet only accepts tools with an exactly 18.0 mm shank. "Approximate" collets cannot be used (e.g., an 8 mm collet for a 6 mm tool). The complete set (6, 8, 12 mm) covers the most common shank diameters for end mills in wood and composite materials on machines in this range.

How do you mount and unmount a collet in the collet holder?

1) Insert the collet into the collet holder cone (it should click into place). 2) Insert the tool into the collet. 3) Tighten the collet holder nut with the appropriate wrench until firmly secured — no further, to avoid deforming the collet. To unmount: loosen the nut and use a brass hammer (never steel) to extract the collet from the conical housing. Never force it with a hammer directly on the nut.

Delivery times?

Original spare parts available with 3–5 business days shipping. Customer service in Italian available.

Product safety

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