Product Details : ASTM F436-1 Structural Flat Washer 5/16" x 0.688" O.D. - Yellow Zinc Grade 8

• Product Type: Structural Flat Washer
• Bolt Diameter/Size: 5/16"
• Outside Diameter (Nominal): 0.688"
• Inside Diameter (Nominal): 0.344"
• Thickness (Nominal): 0.051 to 0.08 in
• System of Measurement: Imperial
• Material(s): Yellow Zinc
• Grade/Class: Grade 8
• Standards and Certifications: ASTM F436, Type 1

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