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Vågformad fjäderbrickor DIN 137 i rostfritt A2-stål för vibrationsdämpning och axiell förspänning.
Teknisk måttritning och dimensionstabell för vågbrickor DIN 137 i rostfritt A2-stål, storlek M3–M20.
Vågformad fjäderbrickor DIN 137 i rostfritt A2-stål för vibrationsdämpning och axiell förspänning.
Vågformad fjäderbrickor DIN 137 i rostfritt A2-stål för vibrationsdämpning och axiell förspänning.
Teknisk måttritning och dimensionstabell för vågbrickor DIN 137 i rostfritt A2-stål, storlek M3–M20.
Vågformad fjäderbrickor DIN 137 i rostfritt A2-stål för vibrationsdämpning och axiell förspänning.

Wave spring washer | A2 | DIN 137

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Description

If you are looking for a spring washer that can handle direct pressure absorption and vibration damping in demanding environments without rusting, the wavy spring washer DIN 137 in stainless steel is a reliable choice. It is made of A2 / AISI 304 stainless steel and designed to withstand moisture, milder chemicals, and temperature fluctuations. The product's design includes a wavy washer body that provides a spring effect and compensates for movements, temperature changes, and settling in joints. It allows for easy assembly together with standard threaded fasteners such as bolts and screws. The wavy spring washer DIN 137 is used where durability and corrosion resistance are crucial – especially in industrial and outdoor environments.

FIELD OF APPLICATION

The wavy spring washer DIN 137 is intended for preload absorption and vibration-damping fastening in environments such as wet rooms, food production, or chemical plants. The spring function creates a secure and lasting contact between the parts of the joint, which reduces the risk of the joint loosening due to vibrations or thermal expansion. The product is used together with bolts or screws – no special assembly is required, and installation is easily performed with standard hand tools. Suitable for both static and dynamic applications where preload and corrosion protection are important. The product requires minimal maintenance and has a long service life, even in humid environments.

Watch video: Which washer should you choose?

TECHNICAL SPECIFICATIONS

• Product type: Spring washer
• Standard: DIN 137 B
• Quality: A2 / AISI 304
• Material class: Not applicable
• Thread type: Not applicable
• Surface treatment: Untreated (natural stainless steel)
• Head shape: Not applicable
• Drive type: Not applicable

FREQUENTLY ASKED QUESTIONS (FAQ)

How does a wavy spring washer (DIN 137) work and what distinguishes its design?

DIN 137 specifies the standard for spring washers with a wavy (curved) profile:

  • Continuous spring force: When the screw joint is tightened, the wavy profile flattens slightly and creates a constant axial preload in the joint.

  • Compensates for settling: The spring effect absorbs axial play and compensates for material movements caused by temperature fluctuations, vibrations, or thermal expansion.

  • Gentle on surfaces: Unlike tooth lock washers or split spring washers (DIN 127), DIN 137 has no sharp edges that cut into or damage the contact surface under the screw head or nut.

Why is DIN 137 ideal for sensitive or dynamic screw joints?

Wavy washers are primarily used where you need a controlled and even clamping force rather than a rigid, hard locking:

  1. Light metals and plastics: Perfect when mounting against softer materials where sharp locking elements could otherwise cause cracking or damage the surface treatment.

  2. Ball bearings & Rotating shafts: Often used as a preload washer to eliminate axial play in bearing seats and prevent rotating components from rattling.

  3. Moderate vibration damping: Prevents screws from unscrewing in environments with recurring, minor vibrations.

Why choose stainless steel A2 (AISI 304) for spring washers?

A2 steel (1.4301 / AISI 304) combines good fatigue strength with broad corrosion protection:

  • Moisture & Outdoor resistant: Withstands continuous exposure to outdoor climates, rain, snow, and changing temperatures without losing its elastic tension or suffering from surface rust.

  • Chemical & Industrial resistant: Resists wash water, milder chemicals, and oils in machine and industrial applications.

  • Long service life in the joint: Stainless steel retains its preload over time without the risk of stress corrosion that can otherwise affect surface-treated carbon steel.