ER collet chuck Form AD, SK 40 A = 70, for ER collet size: 40

Article no.: 300475 40
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  • Arbor standard: ISO 7388-1
  • Shape: AD
  • Balance quality G at rotational speed: G 6.3 at 18,000 rpm
  • Concentricity: ≤ 3
  • Machining strategy: HSC

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Product details

Technical Data

Clamping ⌀ D1 3-26 mm
Adapter SK 40 A = 70
Arbor standard ISO 7388-1
Shape AD
Balance quality G at rotational speed G 6.3 at 18,000 rpm
Concentricity ≤ 3 µm
Machining strategy HSC
Clamping range 3 mm - 26 mm
Overhang dimension A 70 mm
External ⌀ D 63 mm
Spare GARANT high-speed clamping nut No. 309610 40
Spare HOLEX nut No. 309580 40
Balluffchip bore yes
Type of product Collet chuck

Identification & Classification

Article number 300475 40
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EAN / GTIN 4062406108687
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Manufacturer number 300475 40
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Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Description

Version:

Taper ground internally and externally. With Balluff/RFID chip bore.
HOLEX −
HOLEX precision clamping nut, balanced (G6.3 / 18,000 rpm, all shanks fine bead blasted. Balancing quality G6.3 / 18,000 rpm).

Application:

For clamping tools with plain shank in collets to DIN 6499 − Form A and B.

Supplied with:

Clamping nut.

Optional extras:

Pull studs (PS) No. 308600 − 308806, PS pull stud wrenches No.308820308835, ER chuck key No. 309680613300, ER collets No. 308901 − 309449, ER clamping nuts No. 309615 (for sealing rings), sealing rings No. 309625309645 (for No. 309615).

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