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Locking disc spring washers shape Z/shape M assortment 700 pieces in system case 4.4.1.
Locking disc spring washers shape Z/shape M assortment 700 pieces in system case 4.4.1. - 1 Locking disc spring washers shape Z/shape M assortment 700 pieces in system case 4.4.1. - 2 Locking disc spring washers shape Z/shape M assortment 700 pieces in system case 4.4.1. - 3
Locking disc spring washers shape Z/shape M assortment 700 pieces in system case 4.4.1. - 1
Locking disc spring washers shape Z/shape M assortment 700 pieces in system case 4.4.1. - 2
Locking disc spring washers shape Z/shape M assortment 700 pieces in system case 4.4.1. - 3

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Locking disc spring washers shape Z/shape M assortment 700 pieces in system case 4.4.1.

Locking disc spring washers, type M and type Z, spring steel, zinc flake (GE321), dimensions for M6 to M16

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Powerful, form-fitting locking of screw connections against loosening and unscrewing


  • Type M: for screws with normal head contact

  • Type Z: for cheese head and hexagon socket screws

  • Hardened spring steel, 420-510 HV 10, GEOMET® 321-coated

  • Friction locking thanks to spring force

  • Positive locking thanks to specific surface stamping

  • Reusable

  • Protects the counter surface from damage (washer does not turn during installation).

  • Minimal tightening torque distribution

  • Universal in use, e.g. also suitable for oblong hole fastening and sheet-metal screw joints