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

Hex Nuts

  • Original price $9.28 - Original price $11.45
    Original price
    $9.28 - $11.45
    $9.28 - $11.45
    Current price $9.28

    5/16"-18 Zinc Plated Grade 5 Steel Coarse Thread Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 5Type: ...

    View full details
    Original price $9.28 - Original price $11.45
    Original price
    $9.28 - $11.45
    $9.28 - $11.45
    Current price $9.28
  • Original price $9.93 - Original price $86.27
    Original price
    $9.93 - $86.27
    $9.93 - $86.27
    Current price $9.93

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Finished Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Type: Hex NutHex nuts a...

    View full details
    Original price $9.93 - Original price $86.27
    Original price
    $9.93 - $86.27
    $9.93 - $86.27
    Current price $9.93
  • Original price $12.32 - Original price $12.32
    Original price
    $12.32
    $12.32 - $12.32
    Current price $12.32

    5/16"-24 Plain Steel Fine Thread Left Hand Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: PlainDriver Type: 1/2" WrenchThread Size: 24 (Fine)Style: Left Hand ThreadType: Hex NutBox o...

    View full details
    Original price $12.32 - Original price $12.32
    Original price
    $12.32
    $12.32 - $12.32
    Current price $12.32
  • Original price $10.73 - Original price $11.78
    Original price
    $10.73 - $11.78
    $10.73 - $11.78
    Current price $10.73

    5/16"-24 Zinc Plated Grade 8 Steel Fine Thread Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 8T...

    View full details
    Original price $10.73 - Original price $11.78
    Original price
    $10.73 - $11.78
    $10.73 - $11.78
    Current price $10.73
  • Original price $9.74 - Original price $9.74
    Original price
    $9.74
    $9.74 - $9.74
    Current price $9.74

    5/16"-18 Zinc Plated Steel Coarse Thread Square Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Type: Square NutBox of 20.A square nut ...

    View full details
    Original price $9.74 - Original price $9.74
    Original price
    $9.74
    $9.74 - $9.74
    Current price $9.74
  • Original price $13.71 - Original price $13.71
    Original price
    $13.71
    $13.71 - $13.71
    Current price $13.71

    5/16"-24 Chrome Plated Grade 5 Steel Fine Thread Hex Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 5Type: Hex NutBox of 10....

    View full details
    Original price $13.71 - Original price $13.71
    Original price
    $13.71
    $13.71 - $13.71
    Current price $13.71
  • Original price $8.79 - Original price $10.45
    Original price
    $8.79 - $10.45
    $8.79 - $10.45
    Current price $8.79

    5/16"-24 Zinc Plated Grade 2 Steel Fine Thread Finished Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 2Type: Hex NutHex nuts are...

    View full details
    Original price $8.79 - Original price $10.45
    Original price
    $8.79 - $10.45
    $8.79 - $10.45
    Current price $8.79
  • Original price $9.34 - Original price $11.64
    Original price
    $9.34 - $11.64
    $9.34 - $11.64
    Current price $9.34

    5/16"-24 Zinc Plated Grade 5 Steel Fine Thread Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 5Type: He...

    View full details
    Original price $9.34 - Original price $11.64
    Original price
    $9.34 - $11.64
    $9.34 - $11.64
    Current price $9.34
  • Original price $9.57 - Original price $9.57
    Original price
    $9.57
    $9.57 - $9.57
    Current price $9.57

    5/16"-18 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Style: Left Hand ThreadType: Hex ...

    View full details
    Original price $9.57 - Original price $9.57
    Original price
    $9.57
    $9.57 - $9.57
    Current price $9.57
  • Original price $9.69 - Original price $9.69
    Original price
    $9.69
    $9.69 - $9.69
    Current price $9.69

    5/16"-24 Plain Steel Fine Thread Left Hand Hex Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: PlainDriver Type: 1/2" WrenchThread Size: 24 (Fine)Style: Left Hand ThreadType: Hex NutBox o...

    View full details
    Original price $9.69 - Original price $9.69
    Original price
    $9.69
    $9.69 - $9.69
    Current price $9.69
  • Original price $10.62 - Original price $10.62
    Original price
    $10.62
    $10.62 - $10.62
    Current price $10.62

    5/16"-24 Zinc Plated Grade 2 Steel Fine Thread Finished Hex Nuts (30 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 2Type: Hex NutBox of 30.He...

    View full details
    Original price $10.62 - Original price $10.62
    Original price
    $10.62
    $10.62 - $10.62
    Current price $10.62
  • Original price $15.31 - Original price $15.31
    Original price
    $15.31
    $15.31 - $15.31
    Current price $15.31

    5/16"-18 Zinc Plated Steel Coarse Thread Slotted Hex Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Slotted NutUnslotted Thickness: 3/...

    View full details
    Original price $15.31 - Original price $15.31
    Original price
    $15.31
    $15.31 - $15.31
    Current price $15.31
  • Original price $12.43 - Original price $12.43
    Original price
    $12.43
    $12.43 - $12.43
    Current price $12.43

    5/16"-18 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 5Type: Hex NutBox of 1...

    View full details
    Original price $12.43 - Original price $12.43
    Original price
    $12.43
    $12.43 - $12.43
    Current price $12.43
  • Original price $12.32 - Original price $12.32
    Original price
    $12.32
    $12.32 - $12.32
    Current price $12.32

    5/16"-18 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Style: Left Hand ThreadType: Hex ...

    View full details
    Original price $12.32 - Original price $12.32
    Original price
    $12.32
    $12.32 - $12.32
    Current price $12.32
  • Original price $11.69 - Original price $11.69
    Original price
    $11.69
    $11.69 - $11.69
    Current price $11.69

    5/16"-18 Zinc Plated Steel Coarse Thread Square Nuts (24 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Type: Square NutBox of 24.A square nut ...

    View full details
    Original price $11.69 - Original price $11.69
    Original price
    $11.69
    $11.69 - $11.69
    Current price $11.69
  • Original price $15.39 - Original price $15.39
    Original price
    $15.39
    $15.39 - $15.39
    Current price $15.39

    5/16"-18 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 5Type: Hex NutBox of 1...

    View full details
    Original price $15.39 - Original price $15.39
    Original price
    $15.39
    $15.39 - $15.39
    Current price $15.39
  • Original price $15.10 - Original price $15.10
    Original price
    $15.10
    $15.10 - $15.10
    Current price $15.10

    5/16"-18 Zinc Plated Steel Coarse Thread Slotted Hex Nuts (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Slotted NutUnslotted Thickness: 3/...

    View full details
    Original price $15.10 - Original price $15.10
    Original price
    $15.10
    $15.10 - $15.10
    Current price $15.10
  • Original price $11.22 - Original price $11.22
    Original price
    $11.22
    $11.22 - $11.22
    Current price $11.22

    5/16"-18 Zinc Plated Grade 5 Steel Coarse Thread Hex Nuts (24 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 5Type: ...

    View full details
    Original price $11.22 - Original price $11.22
    Original price
    $11.22
    $11.22 - $11.22
    Current price $11.22
  • Original price $11.35 - Original price $11.35
    Original price
    $11.35
    $11.35 - $11.35
    Current price $11.35

    5/16"-24 Zinc Plated Grade 5 Steel Fine Thread Hex Nuts (24 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 5Type: He...

    View full details
    Original price $11.35 - Original price $11.35
    Original price
    $11.35
    $11.35 - $11.35
    Current price $11.35
  • Original price $11.88 - Original price $11.88
    Original price
    $11.88
    $11.88 - $11.88
    Current price $11.88

    5/16"-18 316 Stainless Steel Coarse Thread Hex Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 316Type: Hex Nu...

    View full details
    Original price $11.88 - Original price $11.88
    Original price
    $11.88
    $11.88 - $11.88
    Current price $11.88
  • Original price $10.78 - Original price $12.17
    Original price
    $10.78 - $12.17
    $10.78 - $12.17
    Current price $10.78

    5/16"-18 Zinc Plated Grade 8 Steel Coarse Thread Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade ...

    View full details
    Original price $10.78 - Original price $12.17
    Original price
    $10.78 - $12.17
    $10.78 - $12.17
    Current price $10.78
  • Original price $9.07 - Original price $11.26
    Original price
    $9.07 - $11.26
    $9.07 - $11.26
    Current price $9.07

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Finished Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Type: Hex NutHex nuts a...

    View full details
    Original price $9.07 - Original price $11.26
    Original price
    $9.07 - $11.26
    $9.07 - $11.26
    Current price $9.07
  • Original price $10.56 - Original price $29.51
    Original price
    $10.56 - $29.51
    $10.56 - $29.51
    Current price $10.56

    5/16"-18 Zinc Plated Grade 8 Steel Coarse Thread Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade ...

    View full details
    Original price $10.56 - Original price $29.51
    Original price
    $10.56 - $29.51
    $10.56 - $29.51
    Current price $10.56
  • Original price $47.89 - Original price $47.89
    Original price
    $47.89
    $47.89 - $47.89
    Current price $47.89

    5/16"-18 Green Rinsed Zinc Grade 5 Hex Nuts (904 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: Green Rinsed ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: ...

    View full details
    Original price $47.89 - Original price $47.89
    Original price
    $47.89
    $47.89 - $47.89
    Current price $47.89