Spring washer

Specification Highlights:

• Types of Spring Washers:

  • Split Lock Washer (Helical Spring Washer)

  • Wave Washer

  • Belleville Washer (Conical Spring Washer)

  • Toothed Lock Washer (Internal/External Tooth)

• Material Options:

  • Carbon steel (hardened or tempered)

  • Stainless steel (SS304, SS316)

  • Spring steel

  • Phosphor bronze

  • Inconel (for high-temp applications)

• Size Range:

  • Inner Diameter (ID): M3 to M64 (metric)

  • Outer Diameter (OD): As per standard (DIN/ISO)

  • Thickness: 0.5 mm to 6 mm

• Finish / Coating:

  • Zinc plated (white/yellow/blue)

  • Black oxide

  • Hot-dip galvanized

  • Nickel or chrome plated

  • Plain / Self-finish

  • Passivated (for stainless steel)

• Standards Compliance:

  • DIN 127 (Split lock washer)

  • DIN 128, DIN 137 (Wave and curved spring washers)

  • DIN 2093 (Belleville washers)

  • ISO 8752, IS 3063, ANSI, BS

• Applications:

  • Automotive and engine parts

  • Electrical panels and enclosures

  • Machinery and mechanical assemblies

  • Vibration-prone equipment

  • Aerospace and heavy-duty structural connections

• Key Features:

  • Prevents loosening of bolts/nuts due to vibration or movement

  • Maintains consistent tension in fastener assemblies

  • Increases reliability of bolted joints

  • Available in various styles for different load and deflection requirements

  • Durable and reusable under standard conditions