Fender Washers

Description

Fender Washers Fender Washers – Maximum Load Distribution and Anti-Pull-Through Security for Thin Materials Fender Washers are specialized flat washers characterized by an extra-large outer diameter (OD) relative to their inner diameter (ID), making them critical fasteners for high-leverage and thin-material applications. This design maximizes the bearing surface, which is essential for distributing the clamping force of a bolt or nut over a wide area, thereby preventing the fastener head from pulling through thin sheet metal, or embedding itself into soft substrates like wood. Constructed from durable zinc-plated steel, these washers offer excellent corrosion resistance, ensuring reliable joint integrity in automotive, construction, and general mechanical applications. They are available in a range of common inner diameters, including 1/4″, 3/8″, 1/2″, and 1″, covering most small-to-medium bolt sizes. Key Benefits Maximum Load Distribution: Significantly larger OD distributes clamping load over the maximum possible surface area. Anti-Pull-Through Security: Prevents fastener heads from sinking into soft material or pulling through sheet metal. Corrosion Resistance: Zinc plating protects the steel from rust and weathering. Hole Repair: Ideal for covering oversized, damaged, or irregular bolt holes in a fixture. Size Versatility: Available in 1/4″, 3/8″, 1/2″, and 1″ Inner Diameters to fit common bolt sizes. Technical Specifications Product Type: Fender Washer (Extra-Wide Flat Washer) Sizes Available (ID): 1/4″, 3/8″, 1/2″, 1″ (Inner Diameter) Material: Steel Design: Large Outer Diameter (OD) Application: Load Distribution, Thin Materials, Oversized Holes Grade: Automotive/Mechanical/Construction Perfect For Securing vehicle body panels, fenders, and trim. Fastening thin sheet metal or plastic parts to a frame. Woodworking applications where large through-bolts are used near edges. Providing a stable bearing surface beneath nuts and bolt heads in soft wood. Application Instructions Placement: Place the fender washer beneath the nut or the head of the bolt/screw, ensuring the washer contacts the surface of the material being clamped. Function: The large OD should rest on the material that requires load distribution or protection. Tightening: Tighten the fastener to the proper torque specification. Safety: Use in conjunction with a lock washer (when needed for vibration) for the most secure joint. Pro Tips Fender washers are highly recommended when bolting through fiberglass or soft plastics to prevent the bolt head from cracking the material. Always choose a washer with an ID that is slightly larger than the bolt diameter for a snug fit. Use a lock washer beneath the nut, and the fender washer beneath the bolt head for maximum protection and security. Store unused washers in a dry environment to maintain the integrity of the zinc plating.

Key specifications

• Product Type: Fender Washer (Extra-Wide Flat Washer).; Sizes Available (ID): 1/4 in, 3/8 in, 1/2 in, 1 in (Inner Diameter).; Material: Steel.; Design: Large Outer Diameter (OD).; Application: Load Distribution, Thin Materials, Oversized Holes.; Grade: Automotive/Mechanical/Construction.; Available Length: 1/4 in TT$1.5
• 3/8 in TT$2.5
• 1/2 in TT$4
• 1 in TT$5.