Locking disc spring washer, shape Z A4 stainless steel, plain

Name: Locking disc spring washer, shape Z A4 stainless steel, plain
Brand: Würth
SKU: 040408

A4 stainless steel, type Z
WSH-SER-A4-Z-D8,2

Art.-no. 040408

EAN 4024835256308

All versions

Specification

Type Z: for cheese head and hexagon socket screws

From a technical point of view and due to the installation space, the spring properties of this type are significantly lower

Protection type: Screw retainer

A4 stainless steel material number 1.4401

Friction locking thanks to spring force

Mechanical interlock thanks to specific surface stamping

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

Minimal tightening torque distribution

Application

Application area

Machine and system construction, drive technology, conveyor technology, commercial vehicles, construction machines, vehicle construction, agricultural technology, the food industry etc.

Technical information


Suitable for screw thread	M8
Internal diameter (d₁)	8.2 mm
Outer diameter (d₂)	12.7 mm
Height (h₁)	1.7 mm
Thickness (s₁)	1.4 mm
Material	Stainless steel A4
Surface	Plain
RoHS-compliant	Yes
Form	Z
Suitable for	Cylinder head and hexagon head bolts with normal head contact
Locking device operating principle	Serrated lock washer
Locking function	Embedding locking device