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Heavy-duty chuck slim 20 mm

Article no.: 305539 20
  • Arbor standard: ISO 12164-1; DIN 69893
  • Shape: A
  • Balance quality G at rotational speed: G 6.3 at 15,000 rpm
  • Concentricity: ≤ 5
  • Machining strategy: HPC

Product details

Technical Data

Clamping ⌀ D1 20 mm
Adapter HSK-A 63
Arbor standard ISO 12164-1; DIN 69893
Shape A
Balance quality G at rotational speed G 6.3 at 15,000 rpm
Concentricity ≤ 5 µm
Machining strategy HPC
Overhang dimension A 90 mm
Collet outer ⌀ D 44 mm
Suitable wrench No. 309747 S20
Type of product Heavy-duty chuck

Identification numbers & Classifications

Article number 305539 20

Description

Version:

Clamping force up to 150 Nm at ⌀ 12, 300 Nm at ⌀ 16 and 400 Nm at ⌀ 20.
  • Low friction due to needle bearings.
  • Protected with anti-corrosion coating.
  • Dust-tight and watertight.
  • With RFID/Balluffchip bore.
  • Very high clamping force prolongs tool life and improves surface quality.

Advantage:

Low interference contour due to slim design.

Application:

For clamping tools with plain shank.

Supplied with:

Clamping nut.

Optional extras:

Coolant tube No. 309880, collets No. 309566309570 and No. 309575309576, wrench No. 309747 for No. 305539.

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