948256 - Steel Flat Washer 1.25 OD x 0.34 ID Zinc Plated

Industrial Grade Steel Flat Washer

The Steel Flat Washer (1.25" OD x 0.34" ID x 0.09" Thick) is an essential component for a wide variety of industrial fastening applications. Manufactured from high-quality steel, this washer is designed to withstand significant torque and pressure, making it a reliable choice for heavy-duty machinery, structural assemblies, and general maintenance tasks. The washer features a Zinc Plated Clear (ZPC) finish, which provides a protective barrier against oxidation and corrosion. This is particularly important in industrial environments where exposure to humidity, chemicals, or varying temperatures can degrade untreated metal components.

With an Outer Diameter (OD) of 1.25 inches, this washer falls into the category of wide-series or fender-style washers relative to its inner bore. This increased surface area is critical for distributing the clamping load of a bolt or screw over a larger area. By doing so, it prevents the fastener head or nut from crushing soft materials or pulling through oversized clearance holes. The 0.34-inch Inner Diameter (ID) is precision-sized to accommodate standard 5/16-inch or 8mm bolts, providing a loose but secure fit that allows for slight misalignments during assembly without compromising structural integrity.

In the context of gas and welding equipment, small hardware components like this washer play a vital role in ensuring the longevity and safety of the setup. Whether securing a gas cylinder cage, mounting a regulator bracket, or repairing a welding cart, using the correct washer ensures that connections remain tight and vibration-resistant. The 0.09-inch thickness provides ample rigidity, preventing the washer from dishing or deforming under load. This product is an excellent addition to any maintenance inventory, ensuring that you have the right hardware on hand when critical repairs are needed.

Key Technical Benefits

• Corrosion Resistance: The zinc chromate plating acts as a sacrificial anode, protecting the underlying steel from rust.
• Load Distribution: The wide 1.25" footprint minimizes surface pressure, protecting painted or delicate surfaces.
• Versatility: Compatible with a wide range of bolts and threaded rods commonly found in industrial machinery.