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Hex Head Bolts (Cap Screws) / US Standard

  • 5/16-18 x 1-1/2in UNC Grade 18.8 Stainless Steel Hex Cap Screw

    SSCS516112C18

    This cap screw is typically used in products that require general atmospheric corrosion resistanc...

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    $0.87 - $0.87
    $0.87 / piece
    $0.87 - $0.87
    $0.87 / piece
    $0.87 - $0.87
    $0.87 / piece
    $0.87 - $0.87
    $0.87 / piece

  • 5/16-18 x 1-1/2in UNC Grade 8 Hex Cap Screw Clear Zinc

    HHCS516112C5Z

    Made from medium carbon steel, Grade 5 cap screws have a greater tensile strength than Grade 2. U...

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    $0.57 - $0.57
    $0.57 / piece
    $0.57 - $0.57
    $0.57 / piece
    $0.57 - $0.57
    $0.57 / piece
    $0.57 - $0.57
    $0.57 / piece

  • 5/16-18 x 1-1/4in UNC Grade 5 Hex Cap Screw Clear Zinc

    HHCS516114C5Z

    Made from medium carbon steel, Grade 5 cap screws have a greater tensile strength than Grade 2. U...

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    $0.50 - $0.50
    $0.50 / piece
    $0.50 - $0.50
    $0.50 / piece
    $0.50 - $0.50
    $0.50 / piece
    $0.50 - $0.50
    $0.50 / piece

  • 5/16-18 x 1in UNC Grade 5 Hex Cap Screw Clear Zinc

    HHCS5161C5Z

    Made from medium carbon steel, Grade 5 cap screws have a greater tensile strength than Grade 2. U...

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    $0.41 - $0.41
    $0.41 / piece
    $0.41 - $0.41
    $0.41 / piece
    $0.41 - $0.41
    $0.41 / piece
    $0.41 - $0.41
    $0.41 / piece

  • 5/16-18 x 2-1/2in UNC Grade 5 Hex Cap Screw Zinc Plated

    HHCS516212C5Z

    Made from medium carbon steel, Grade 5 cap screws have a greater tensile strength than Grade 2. U...

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    $0.87 - $0.87
    $0.87 / piece
    $0.87 - $0.87
    $0.87 / piece
    $0.87 - $0.87
    $0.87 / piece
    $0.87 - $0.87
    $0.87 / piece

  • 5/16-18 x 2in UNC Grade 5 Hex Cap Screw Clear Zinc

    HHCS5162C5Z

    Made from medium carbon steel, Grade 5 cap screws have a greater tensile strength than Grade 2. U...

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    $0.63 - $0.63
    $0.63 / piece
    $0.63 - $0.63
    $0.63 / piece
    $0.63 - $0.63
    $0.63 / piece
    $0.63 - $0.63
    $0.63 / piece

  • 5/16-18 x 3/4in UNC Grade 5 Hex Cap Screw Clear Zinc

    HHCS51634C5Z

    Made from medium carbon steel, Grade 5 cap screws have a greater tensile strength than Grade 2. U...

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    $0.32 - $0.32
    $0.32 / piece
    $0.32 - $0.32
    $0.32 / piece
    $0.32 - $0.32
    $0.32 / piece
    $0.32 - $0.32
    $0.32 / piece

  • 5/16-18 x 3in UNC Grade 5 Hex Cap Screw Zinc Plated

    HHCS5163C5Z

    Made from medium carbon steel, Grade 5 cap screws have a greater tensile strength than Grade 2. U...

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    $0.98 - $0.98
    $0.98 / piece
    $0.98 - $0.98
    $0.98 / piece
    $0.98 - $0.98
    $0.98 / piece
    $0.98 - $0.98
    $0.98 / piece

  • 5/8-18 x 2-1/2in UNF Grade 8 Hex Cap Screw Yellow Zinc

    HHCS58212F8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

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    $4.32 - $4.32
    $4.32 / piece
    $4.32 - $4.32
    $4.32 / piece
    $4.32 - $4.32
    $4.32 / piece
    $4.32 - $4.32
    $4.32 / piece
  • 5/8-18 X 2 Hex Cap Screw / Grade 8 / Fine (UNF) / Yellow Zinc Plated

    5/8-18 x 2in UNF Grade 8 Hex Cap Screw Yellow Zinc

    HHCS582F8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

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    $2.84 - $2.84
    $2.84 / piece
    $2.84 - $2.84
    $2.84 / piece
    $2.84 - $2.84
    $2.84 / piece
    $2.84 - $2.84
    $2.84 / piece

  • 5/8-18 x 3-1/2in UNF Grade 8 Hex Cap Screw Yellow Zinc

    HHCS58312F8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

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    $4.19 - $4.19
    $4.19 / piece
    $4.19 - $4.19
    $4.19 / piece
    $4.19 - $4.19
    $4.19 / piece
    $4.19 - $4.19
    $4.19 / piece

  • 5/8-18 x 3in UNF Grade 8 Hex Cap Screw Yellow Zinc

    HHCS583F8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

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    $4.73 - $4.73
    $4.73 / piece
    $4.73 - $4.73
    $4.73 / piece
    $4.73 - $4.73
    $4.73 / piece
    $4.73 - $4.73
    $4.73 / piece

  • 5/8-18 x 4-1/2in UNF Grade 8 Hex Cap Screw Yellow Zinc

    HHCS58412F8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

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    $6.64 - $6.64
    $6.64 / piece
    $6.64 - $6.64
    $6.64 / piece
    $6.64 - $6.64
    $6.64 / piece
    $6.64 - $6.64
    $6.64 / piece

  • 5/8-18 x 4in UNF Grade 8 Hex Cap Screw Yellow Zinc

    HHCS584F8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

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    $5.77 - $5.77
    $5.77 / piece
    $5.77 - $5.77
    $5.77 / piece
    $5.77 - $5.77
    $5.77 / piece
    $5.77 - $5.77
    $5.77 / piece

  • 5/8-18 x 5in UNF Grade 8 Hex Cap Screw Yellow Zinc

    HHCS585F8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

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    $5.83 - $5.83
    $5.83 / piece
    $5.83 - $5.83
    $5.83 / piece
    $5.83 - $5.83
    $5.83 / piece
    $5.83 - $5.83
    $5.83 / piece

  • 5/16-18 x 1-1/4in UNC Grade 18.8 Stainless Steel Hex Cap Screw

    SSCS516114C188

    This cap screw is typically used in products that require general atmospheric corrosion resistanc...

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    $0.75 - $0.75
    $0.75 / piece
    $0.75 - $0.75
    $0.75 / piece
    $0.75 - $0.75
    $0.75 / piece
    $0.75 - $0.75
    $0.75 / piece

  • 5/16-18 x 1in UNC Grade 18.8 Stainless Steel Hex Cap Screw

    SSCS5161C188

    This cap screw is typically used in products that require general atmospheric corrosion resistanc...

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    $0.72 - $0.72
    $0.72 / piece
    $0.72 - $0.72
    $0.72 / piece
    $0.72 - $0.72
    $0.72 / piece
    $0.72 - $0.72
    $0.72 / piece

  • 5/16-18 x 2-1/2in UNC Grade 18.8 Stainless Steel Hex Cap Screw

    SSCS516212C18

    This cap screw is typically used in products that require general atmospheric corrosion resistanc...

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    $1.41 - $1.41
    $1.41 / piece
    $1.41 - $1.41
    $1.41 / piece
    $1.41 - $1.41
    $1.41 / piece
    $1.41 - $1.41
    $1.41 / piece

  • 5/16-18 x 2in UNC Grade 18.8 Stainless Steel Hex Cap Screw

    SSCS5162C188

    This cap screw is typically used in products that require general atmospheric corrosion resistanc...

    View full details
    $1.37 - $1.37
    $1.37 / piece
    $1.37 - $1.37
    $1.37 / piece
    $1.37 - $1.37
    $1.37 / piece
    $1.37 - $1.37
    $1.37 / piece

  • 5/16-18 x 3/4in UNC Grade 18.8 Stainless Steel Hex Cap Screw

    SSCS51634C188

    This cap screw is typically used in products that require general atmospheric corrosion resistanc...

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    $0.55 - $0.55
    $0.55 / piece
    $0.55 - $0.55
    $0.55 / piece
    $0.55 - $0.55
    $0.55 / piece
    $0.55 - $0.55
    $0.55 / piece

  • 5/16-18 x 1-1/2in UNC Grade 8 Hex Cap Screw Yellow Zinc

    HHCS516112C8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

    View full details
    $0.57 - $0.57
    $0.57 / piece
    $0.57 - $0.57
    $0.57 / piece
    $0.57 - $0.57
    $0.57 / piece
    $0.57 - $0.57
    $0.57 / piece

  • 5/16-18 x 1-1/4in UNC Grade 8 Hex Cap Screw Yellow Zinc

    HHCS516114C8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

    View full details
    $0.51 - $0.51
    $0.51 / piece
    $0.51 - $0.51
    $0.51 / piece
    $0.51 - $0.51
    $0.51 / piece
    $0.51 - $0.51
    $0.51 / piece

  • 5/16-18 x 1in UNC Grade 8 Hex Cap Screw Yellow Zinc

    HHCS5161C8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

    View full details
    $0.42 - $0.42
    $0.42 / piece
    $0.42 - $0.42
    $0.42 / piece
    $0.42 - $0.42
    $0.42 / piece
    $0.42 - $0.42
    $0.42 / piece

  • 5/16-18 x 2-1/2in UNC Grade 8 Hex Cap Screw Yellow Zinc

    HHCS516212C8Y

    Made from medium carbon steel, Grade 8 cap screws have a greater tensile strength than Grade 5. D...

    View full details
    $0.92 - $0.92
    $0.92 / piece
    $0.92 - $0.92
    $0.92 / piece
    $0.92 - $0.92
    $0.92 / piece
    $0.92 - $0.92
    $0.92 / piece
}