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Locking disc spring washer Type M

Article No. 04045

A4 stainless steel, type M WSH-SER-A4-M-D5,1

€13.57 inc. VAT price per 100 PCS

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Plain A4 stainless steel

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

Type M: for high-strength connections with normal head contact
A4 stainless steel, material number 1.4401
Spring force for friction-fit connection
Specially embossed surface for form-fit connection
Reusable
Protects the counter surface from damage (washer does not turn during installation)
Minimal tightening torque distribution
Universal application, e.g. also suitable for slot fastening and sheet-metal screw joints

Notice

The extremely reliable positive locking effect against unscrewing has been verified through the application of a dynamic load (vibration) across the screw axis in many practical tests.

Specification
Application
Technical Information

Plain A4 stainless steel

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

Type M: for high-strength connections with normal head contact
A4 stainless steel, material number 1.4401
Spring force for friction-fit connection
Specially embossed surface for form-fit connection
Reusable
Protects the counter surface from damage (washer does not turn during installation)
Minimal tightening torque distribution
Universal application, e.g. also suitable for slot fastening and sheet-metal screw joints

Notice

The extremely reliable positive locking effect against unscrewing has been verified through the application of a dynamic load (vibration) across the screw axis in many practical tests.

Application area

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

Products specifications

Suitable for screw thread	M5
Internal diameter (d₁)	5.1 mm
Outer diameter (d₂)	12.2 mm
Height (h₁)	1.65 mm
Thickness (s₁)	1.2 mm
Material	Stainless steel A4
Surface	Bare
RoHS-compliant	Yes
Form	M
Suitable for	High-strength bonds with normal head contact
Tightening torque for strength class 8.8	6.7 Nm
Max. temperature conditions	350 °C

Products specifications

Suitable for screw thread	M5
Internal diameter (d₁)	5.1 mm
Outer diameter (d₂)	12.2 mm
Height (h₁)	1.65 mm
Thickness (s₁)	1.2 mm
Material	Stainless steel A4
Surface	Bare
RoHS-compliant	Yes
Form	M
Suitable for	High-strength bonds with normal head contact
Tightening torque for strength class 8.8	6.7 Nm
Max. temperature conditions	350 °C