Securing and Anti-Loosening

FASTEKS® PRECISKO High-Precision Locknuts

For spindles, shafts, and axles to run smoothly, maximum precision is required. FASTEKS® PRECISKO high-precision locknuts guarantee the required preload for these screw connections to reliably secure against loosening.

Three different sized FASTEKS Precisko high-precision locknuts on light grey background.
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Two people discussing design of a fastener.

FASTEKS® PRECISKO locknuts are suitable for applications with minimum space. The face and thread are ground (RS / AS) or fine-turned (DRS / DAS) in a single clamping operation. The axial run-out accuracy is 0.002 mm for the ground version and 0.01 mm for the turned version.

Depending on the type, our locknuts have a radial or axial mechanical locking feature to prevent loosening. The clamping pegs with turned thread profile ensure optimal torsion protection to secure the preload values. FASTEKS® PRECISKO locknuts are reusable.

FASTEKS® Locknut Features:

  • High run-out accuracy
  • Axial or radial locking
  • Reusable