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Grade 8 Extra Heavy (Thick) USS Flat Washers

 

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Heat Treated Alloy Steel - Yellow Zinc Plated

 EXTRA THICK Grade 8 USS Flat Washers are manufactured from High Strength Alloy Steel.  It is recommended that an EXTRA THICK Grade 8 Flat Washer be used with Grade 8 Nuts and Bolts.  Grade 8 Washers do not crush and deform when torque is applied in tightening.