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ER clamping nut for HiRunER collet chucks, for ER: 40

Article no.: 309617 40

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  • Standard: DIN 6499 D
  • Balance quality G at rotational speed: G 2.5 at 25,000 rpm

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Product details

Technical Data

for ER 40 mm
Standard DIN 6499 D
Balance quality G at rotational speed G 2.5 at 25,000 rpm
Overall length L 29 mm
External ⌀ D 61.9 mm
Thread M52×1
maximum tightening torque 169 Nm
Type of product Clamping nut

Identification numbers & Classifications

Article number 309617 40
EAN / GTIN 4045197771773
Manufacturer number 309617 40

Description

Version:

Thread and taper ground in a single setup for highest concentricity.
Surface smoothly coated, ball-bearing mounted. Low coefficient of friction, high clamping forces.
With slots.

Suitable for:

HiRunER precision ER collet chuck No. 300642; 300643; 300647; 302839; 302843; 302844; 305523; 305524; 305532.

Optional extras:

Hook wrench No. 628400, or torque wrench No. 309749 or No. 628520.

Note:

Collet chuck and clamping nut are balanced separately!

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