New Arrivals/Restock

[1000 BULK] Structural Flat Washers Medium Carbon Steel Zinc Yellow CR+6 F436 5/16 X 11/16

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Product details

Management number 242079745 Release Date 2026/07/19 List Price $19.08 Model Number 242079745
Category

Our Structural Flat Washers are engineered from Medium Carbon Steel for high-strength performance, and finished with a Zinc Yellow CR+6 coating for superior corrosion resistance. Meeting the ASTM F436 standard, these washers provide reliable load distribution for structural fasteners. The size is 5/16" inner diameter by 11/16" outer diameter, making them a precise fit for standard 5/16" bolts.

Key specifications

  • Inner diameter: 5/16 in
  • Outer diameter: 11/16 in
  • Material: Medium Carbon Steel
  • Finish: Zinc Yellow CR+6 coating
  • Standards: ASTM F436

Why choose these washers?

  • Distribute load to prevent bolt/nut pull-through and protect mating surfaces
  • Provide corrosion resistance with a durable Zinc Yellow CR+6 coating
  • Structural-grade reliability for construction, machinery, automotive, and general hardware applications

Designed for high-stress assemblies, these washers help ensure secure, long-lasting connections in your next project. Add them to your toolkit for dependable performance.


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