USS pattern flat washers extra thick are manufactured from medium carbon steel to meet ASTM F844. Zinc plated material will meet or exceed ASTM B633 SC1 Type 2. Hot-Dip Galvanized material will meet or exceed ASTM A153.

Extra Thick Flat Washers

USS pattern flat washers extra thick are manufactured from medium carbon steel to meet ASTM F844. Zinc plated material will meet or exceed ASTM B633 SC1 Type 2. Hot-Dip Galvanized material will meet or exceed ASTM A153.

  • 1/4" EXTRA THICK FLAT WASHERS GRADE 8

    $5.70 / Box of 25

  • 5/16" EXTRA THICK FLAT WASHERS GRADE 8

    $6.66 / Box of 25

  • 3/8" EXTRA THICK FLAT WASHERS GRADE 8

    $8.49 / Box of 25

  • 7/16" EXTRA THICK FLAT WASHERS GRADE 8

    $17.91 / Box of 25

  • 1/2" EXTRA THICK FLAT WASHERS GRADE 8

    $26.13 / Box of 25

  • 9/16" EXTRA THICK FLAT WASHERS GRADE 8

    $32.88 / Box of 25

  • 5/8" EXTRA THICK FLAT WASHERS GRADE 8

    $46.39 / Box of 25

  • 3/4" EXTRA THICK FLAT WASHERS GRADE 8

    $50.74 / Box of 25

  • 7/8" EXTRA THICK FLAT WASHERS GRADE 8

    $58.47 / Box of 25

  • 1" EXTRA THICK FLAT WASHERS GRADE 8

    $79.73 / Box of 25

  • 1-1/8" EXTRA THICK FLAT WASHERS GRADE 8

    $89.68 / Box of 25

  • 1-1/4" EXTRA THICK FLAT WASHERS GRADE 8

    $98.84 / Box of 25

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