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The interface between a fastener and a thin panel determines how much bearing area carries the clamp load. A custom fender washer adds a wider outside diameter around the bolt hole; the right
During a private-label launch with a fixed ship date, a second source has to match the washer that already fits the assembly: a nominal 4 inch (101.6 mm) outside diameter, the specified inside
Choose the zinc finish around the service environment, then confirm washer dimensions against the fastener and mating surface. Electrogalvanized washers suit tighter dimensional control and milder
Consistency is set at the forming stage: blanking and piercing control the washer’s outside diameter, inside diameter and edge condition before finishing. For a 1/8-inch washer, confirm that the
For pipe-support assemblies with a fixed launch date, lock the washer radius, thickness, hole position and finish before confirming production. A lower-cost material or coating can change springback,
