GN 709.8 Locking elements

flat-faced ball pad, steel
 
 

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Technical specifications

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Main specifications

Material

Hardened steel, class 10.9 (tensile strength 1000 N/mm²).

Standard executions

  • GN 709.8-B: hardened steel flat-faced ball (54+2 HRC).
  • GN 709.8-K: acetal resin based (POM) technopolymer flat-faced ball, natural colour.
  • GN 709.8-R: hardened steel knurled flat-faced ball (54+2 HRC).

Retaining ring

NBR synthetic rubber O-Ring.

General information

Features and applications

GN 709.8 grub screws are suitable for clamping of parts to be machined. The flat-faced (non-reversible) ball allows to compensate for any misalignment of the contact surfaces up to 10°.

The O-ring keeps the ball in position and prevents the penetration of dirt.

GN 709.8 - Clamping screws 
Elesa
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Ganter

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