5/16" (SAE) EXTRA-THICK ALLOY FLATWASHERS, Zinc Yellow (100-PACK)

  The function of the washer is to provide load distribution and/or a smooth bearing surface for

       controlled torquing.

• Enhanced thickness pattern provides increased resistance to dishing and distortion.
• Close-fitting I.D. dimension that will provide increased load bearing capability.
• Zinc Yellow with Hexavalent Chromate plating.
• Exceeds SAE specifications.
• Made in the U.S.A.
• Upgraded Close-Fitting CT FASTENERS Washers Benefits:

• Better use of the effective clamp load - reducing the gaps between the washer and cap screw.
• Allows more uniform load dispersal - giving more metal-to-metal contact at the washer face.
• Prevents mismatching of fasteners - the parts that fit together well are the correct ones.