Skip to content
Free shipping on orders $250 and up!
Free shipping on orders $250 and up!

Square Head Bolts

  • 3/8"-16 x 4" Zinc Plated Grade 2 / A307 Steel Coarse Thread Square Head Bolts
    $10.86 - $12.97
    $10.86 - $12.97
    $10.86 - $12.97
    $10.86

    3/8"-16 x 4" Zinc Plated Grade 2 / A307 Steel Coarse Thread Square Head Bolts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 4"Material: SteelFinish: ZincHead Style: Square (9/16" Wrench)Thread Size: 16 (Coarse)Hardness: Grade 2 / A307Type: Square He...

    View full details
    $10.86 - $12.97
    $10.86 - $12.97
    $10.86 - $12.97
    $10.86
  • 5/16"-18 x 4" Zinc Plated Grade 2 / A307 Steel Coarse Thread Square Head Bolts
    $10.26 - $11.43
    $10.26 - $11.43
    $10.26 - $11.43
    $10.26

    5/16"-18 x 4" Zinc Plated Grade 2 / A307 Steel Coarse Thread Square Head Bolts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 4"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Square He...

    View full details
    $10.26 - $11.43
    $10.26 - $11.43
    $10.26 - $11.43
    $10.26