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Item no.: 300643

HiRunER precision ER collet chuck SK 40 A = 100

Manufacturer: GARANT
Arbor standard DIN 69871
Shape ADB
Arbor standard ISO 7388-1
Concentricity ≤ 3
Machining strategy HPC
Machining strategy HSC
Balance quality G at rotational speed G 2.5 at 25,000 rpm<sup></sup>

HiRunER precision ER collet chuck SK 40 A = 100

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Description

Version:

External and internal tapers are ground. All shanks are hard turned for smooth running. Including Ballufchip bore, high-performance clamping nut (up to 25,000 rpm).

Advantage:

  • 3µm radial run-out with a 2µm collet, 6µm radial run-out with a 5µm collet.
  • Extremely strong holding force (up to factor 2 better than the standard ER chuck).
  • Vibration reduction effect due to 2-part clamping nut.

Application:

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

Supplied with:

Precision clamping nut.

Optional extras:

Pull studs (PS) No. 308600 – 308806, pull stud wrenches No. 308810 – 308830, ER collets No. 308881 – 309434, ER clamping wrenches No. 309680 – 309720.

Note:

  • Clamps only nominal ⌀ up to shank ⌀ tolerance h10.
  • Clamping nut not in conjunction with a sealing washer.

Use the precision collet chuck always in conjunction with the precision clamping nut No. 309617.