M4 Wave Spring Washer DIN 137A A1 Stainless Steel

M4 - A1 Stainless Steel Wave Washer DIN 137B | Vital Parts

Our Stainless Steel Wave Washer DIN 137B, also known as a Wave Spring Washer, is a specialist fastener designed to provide tension in bolted joints, preventing loosening under vibration or dynamic loading. Commonly used with bolts, machine screws, and nuts, these washers help maintain the integrity of mechanical assemblies in demanding environments such as automotive, marine, manufacturing, and construction applications.

This product has a wave-like form that acts as a compression spring when installed, it offers strong corrosion resistance, excellent durability, and consistent performance under medium to heavy loads. With sizes ranging from M3 to M27, these washers are suitable for a wide range of externally threaded components, ensuring secure fastening and long-term reliability.

What are Stainless Steel Wave Washers?

Stainless Steel Wave Washers are a type of spring washer manufactured to the DIN 137B specification. They feature a wavy design that compresses under load, providing continuous tension between fastened parts. This spring effect makes them particularly useful for preventing bolt or screw loosening in environments subject to vibration or temperature variation. Their design allows for compact spring force application without the need for large, bulky components.

Key Features:

• Size : M4
• Internal Diameter : 4.3mm
• Outside Diameter : 9mm
• Thickness : 0.5mm
• Height : 2.0mm
• Manufactured to DIN 137B specification for industry-standard performance
• Excellent corrosion resistance in indoor and outdoor environments
• Designed to reduce loosening due to vibration and thermal expansion
• Easy to install without specialist tools
• Metric sizes available from M3 to M27

Applications:

Our Stainless Steel Wave Washers are ideal for:

• Automotive and aerospace assemblies
• Marine fittings and offshore equipment
• Electrical and electronic enclosures
• Mechanical joints and industrial machinery
• Renewable energy systems and solar panel mounting
• General construction and engineering projects

Benefits:

• Maintains consistent tension in bolted joints
• Reduces need for retightening or maintenance
• Suitable for use in corrosive and harsh environments
• Supports both static and dynamic load applications
• Lightweight and space-efficient alternative to coil springs

Why Buy from Vital Parts?

As a trusted UK supplier of high-quality fasteners and industrial components, Vital Parts offers a customer-first experience with benefits that include:

• Same-Day Dispatch: Fast and reliable shipping to keep your projects on track.
• Competitive Trade Pricing: Enjoy bulk discounts on larger orders to save more.
• Expert Technical Support: Our knowledgeable team is here to help with product selection and application advice.

Whether you're working in marine, automotive, industrial, or construction settings, our Stainless Steel Wave Washers DIN 137B offer a durable, cost-effective solution for maintaining secure fastener assemblies. For technical support or bulk pricing, contact our expert team today on 01233 713581.