Custom Stainless Steel Step Washers M2 M3 M4 M5 M6 M8 Ultimate Strength Stepped Washers

설명

What Are Step Washers?

Step washers, also known as shoulder washers or insulating washers, are specialized fastening components designed with a stepped profile. They feature a cylindrical shoulder that protrudes above the flat washer base, providing precise spacing, insulation, or alignment in mechanical assemblies. These washers are commonly used to isolate electrical components, reduce vibration, or adjust the height of fastened parts.

Materials

• Nylon: Lightweight, corrosion-resistant, and electrically insulating, ideal for electronics.

• PTFE (Teflon): Offers excellent chemical resistance and low friction, used in harsh environments.

• Stainless Steel: Provides high strength and corrosion resistance for heavy-duty applications.

• Brass: Combines conductivity with corrosion resistance, often used in electrical grounding.

• Aluminum: Lightweight and corrosion-resistant, suitable for aerospace and automotive industries.

• Phenolic: A rigid, high-temperature-resistant material used in electrical insulation.

Surface Treatments

To enhance durability and performance, step washers may undergo surface treatments such as:

• Zinc Plating: Improves corrosion resistance in steel washers.

• Anodizing: Enhances hardness and corrosion resistance for aluminum washers.

• Passivation: Removes free iron from stainless steel to prevent rust.

• Powder Coating: Provides a protective and decorative layer for industrial applications.

• Nickel Plating: Increases wear resistance and conductivity in brass washers.

Specifications

• Inner Diameter (ID): Matches the bolt or screw size.

• Outer Diameter (OD): Determines the washer’s contact area.

• Shoulder Height: Provides the necessary spacing or insulation.

• Thickness: Affects load distribution and stability.

• Tolerances: Precision-machined washers ensure tight fits in critical applications.

Applications

• 전자 제품: Insulating circuit boards and preventing short circuits.

• 자동차: Reducing vibration in engine components.

• Aerospace: Providing lightweight spacing in aircraft assemblies.

• Machinery: Aligning bearings and shafts accurately.

• Renewable Energy: Securing solar panels and wind turbine components.

Excellent Case: Step Washers in Electric Vehicle Battery Packs

In modern electric vehicles (EVs), step washers play a crucial role in battery pack assemblies. The high-voltage battery modules require precise insulation to prevent electrical leakage and short circuits. Nylon step washers are used between metal brackets and battery cells, ensuring electrical isolation while maintaining structural integrity.

Additionally, these washers help absorb vibrations caused by road conditions, prolonging battery life. Their corrosion-resistant properties ensure reliability in diverse climates. By using step washers, EV manufacturers enhance safety, reduce maintenance costs, and improve overall performance.