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

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

Mutual ScrewSKU: 31WF436YBB
Price:
$47.71per 1000( $0.05 each)
Pieces 1000
Material Steel
Finish Zinc Yellow
Nominal size 5/16
Outer diameter 11/16
Weight 11.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

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.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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