A conical washer is a dome-shaped, spring-type washer designed to provide controlled flexibility and load distribution in bolted assemblies. It helps maintain constant tension, absorb vibration, and prevent loosening of fasteners under dynamic loads. Made from spring steel or stainless steel, conical washers are widely used in construction, machinery, automotive, and marble/tile fixing applications for secure and long-lasting fastening performance.

Material

• Spring Steel (high carbon steel)
• Stainless Steel (SS 304 / SS 316)
• Alloy Steel (heavy-duty structural use)
• Hardened & tempered steel

 Design / Shape

• Cone-shaped (slightly tapered dome profile)
• Acts like a spring element under compression
• Provides elastic deflection under load
• Designed for axial load and vibration control

 Size Range

• M3 to M36 (common metric range)
• Inner diameter (ID): As per bolt size
• Outer diameter (OD): 2× to 3× bolt size (approx.)
• Thickness: Varies based on load requirement (typically 1 mm – 6 mm+)

 Mechanical Properties

• High load-bearing capacity in compact space
• Maintains constant bolt tension (preload)
• Absorbs vibration and thermal expansion
• Provides resistance against loosening under movement
• Can be used singly or stacked for higher load capacity

 Surface Finish

• Zinc Plated (anti-corrosion)
• Hot Dip Galvanized (HDG)
• Black Oxide
• Natural polished stainless steel

Function (Construction – Marble & Tile Use)

• Maintains tight fastening in anchors and fittings
• Reduces loosening due to vibration
• Compensates for uneven surfaces in marble/tile fixing
• Helps distribute load on brittle materials
• Prevents stress concentration and cracking

 Applications

• Marble & granite cladding systems
• Tile fixing & façade installation
• Structural steel connections
• Anchor bolt assemblies
• Machinery and industrial fastening systems