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

Flange Nuts

  • 5/16"-18 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $10.09 - $11.71
    $10.09 - $11.71
    $10.09 - $11.71
    $10.09

    5/16"-18 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 11/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Case Hardened...

    View full details
    $10.09 - $11.71
    $10.09 - $11.71
    $10.09 - $11.71
    $10.09
  • 1/2"-13 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $10.71 - $18.01
    $10.71 - $18.01
    $10.71 - $18.01
    $10.71

    1/2"-13 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Diameter 2: 1-1/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: Case Hardene...

    View full details
    $10.71 - $18.01
    $10.71 - $18.01
    $10.71 - $18.01
    $10.71
  • 7/16"-14 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $11.86 - $11.86
    $11.86
    $11.86 - $11.86
    $11.86

    7/16"-14 Zinc Case Hardened Hex Flange Nuts (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Diameter 2: 29/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: Case Hardene...

    View full details
    $11.86 - $11.86
    $11.86
    $11.86 - $11.86
    $11.86
  • 1/2"-13 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $12.95 - $12.95
    $12.95
    $12.95 - $12.95
    $12.95

    1/2"-13 Zinc Case Hardened Hex Flange Nuts (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Diameter 2: 1-1/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: Case Hardene...

    View full details
    $12.95 - $12.95
    $12.95
    $12.95 - $12.95
    $12.95
  • 1/4"-20 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $9.70 - $10.28
    $9.70 - $10.28
    $9.70 - $10.28
    $9.70

    1/4"-20 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 19/32"Thickness: 1/4"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Case HardenedS...

    View full details
    $9.70 - $10.28
    $9.70 - $10.28
    $9.70 - $10.28
    $9.70
  • 3/8"-16 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $10.56 - $14.90
    $10.56 - $14.90
    $10.56 - $14.90
    $10.56

    3/8"-16 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 9/16"Thickness: 11/32"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Case Hardened...

    View full details
    $10.56 - $14.90
    $10.56 - $14.90
    $10.56 - $14.90
    $10.56
  • 7/16"-14 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $10.71 - $13.00
    $10.71 - $13.00
    $10.71 - $13.00
    $10.71

    7/16"-14 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Diameter 2: 29/32"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: Case Hardene...

    View full details
    $10.71 - $13.00
    $10.71 - $13.00
    $10.71 - $13.00
    $10.71
  • 5/8"-11 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $14.46 - $20.86
    $14.46 - $20.86
    $14.46 - $20.86
    $14.46

    5/8"-11 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-9/32"Thickness: 9/16"Material: SteelFinish: ZincDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: Case Harden...

    View full details
    $14.46 - $20.86
    $14.46 - $20.86
    $14.46 - $20.86
    $14.46
  • 3/4"-10 Zinc Plated Grade 2 Steel Coarse Thread Hex Flange Nuts
    $25.24 - $25.24
    $25.24
    $25.24 - $25.24
    $25.24

    3/4"-10 Zinc Grade 2 Hex Flange Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Diameter 2: 1-15/32"Thickness: 21/32"Material: SteelFinish: ZincDriver Type: 1-1/4" WrenchThread Size: 10 (Coarse)Hardness: Grade 2St...

    View full details
    $25.24 - $25.24
    $25.24
    $25.24 - $25.24
    $25.24
  • 1/4"-20 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $14.23 - $28.54
    $14.23 - $28.54
    $14.23 - $28.54
    $14.23

    1/4"-20 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 19/32"Thickness: 1/4"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Case HardenedS...

    View full details
    $14.23 - $28.54
    $14.23 - $28.54
    $14.23 - $28.54
    $14.23
  • 5mm-0.8 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts
    $9.58 - $9.58
    $9.58
    $9.58 - $9.58
    $9.58

    5mm-0.8 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5mmDiameter 2: 9mmThickness: 5mmMaterial: SteelFinish: ZincDriver Type: #8 WrenchThread Size: 0.8mm (Coarse)Hardness: Class 8Style: Serra...

    View full details
    $9.58 - $9.58
    $9.58
    $9.58 - $9.58
    $9.58
  • 6mm-1.0 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts
    $9.42 - $9.42
    $9.42
    $9.42 - $9.42
    $9.42

    6mm-1.0 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 6mmDiameter 2: 11mmThickness: 6mmMaterial: SteelFinish: ZincDriver Type: #10 WrenchThread Size: 1.0mm (Coarse)Hardness: Class 8Style: Ser...

    View full details
    $9.42 - $9.42
    $9.42
    $9.42 - $9.42
    $9.42
  • 8mm-1.25 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts
    $9.56 - $9.56
    $9.56
    $9.56 - $9.56
    $9.56

    8mm-1.25 Zinc Class 8 Serrated Flange Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 8mmDiameter 2: 15mmThickness: 8mmMaterial: SteelFinish: ZincDriver Type: #13 WrenchThread Size: 1.25mm (Coarse)Hardness: Class 8Style: Se...

    View full details
    $9.56 - $9.56
    $9.56
    $9.56 - $9.56
    $9.56
  • 10mm-1.5 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts
    $9.66 - $9.66
    $9.66
    $9.66 - $9.66
    $9.66

    10mm-1.5 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 10mmDiameter 2: 17mmThickness: 10mmMaterial: SteelFinish: ZincDriver Type: #15 WrenchThread Size: 1.5mm (Coarse)Hardness: Class 8Style: S...

    View full details
    $9.66 - $9.66
    $9.66
    $9.66 - $9.66
    $9.66
  • 12mm-1.75 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts
    $9.74 - $9.74
    $9.74
    $9.74 - $9.74
    $9.74

    12mm-1.75 Zinc Class 8 Serrated Flange Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 12mmDiameter 2: 20mmThickness: 12mmMaterial: SteelFinish: ZincDriver Type: #18 WrenchThread Size: 1.75mm (Coarse)Hardness: Class 8Style: ...

    View full details
    $9.74 - $9.74
    $9.74
    $9.74 - $9.74
    $9.74
  • 14mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts
    $9.65 - $9.65
    $9.65
    $9.65 - $9.65
    $9.65

    14mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 14mmDiameter 2: 24mmThickness: 14mmMaterial: SteelFinish: ZincDriver Type: #21 WrenchThread Size: 2.0mm (Coarse)Hardness: Class 8Style: S...

    View full details
    $9.65 - $9.65
    $9.65
    $9.65 - $9.65
    $9.65
  • 16mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts
    $10.03 - $10.03
    $10.03
    $10.03 - $10.03
    $10.03

    16mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Serrated Flange Nuts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 16mmDiameter 2: 27mmThickness: 16mmMaterial: SteelFinish: ZincDriver Type: #24 WrenchThread Size: 2.0mm (Coarse)Hardness: Class 8Style: S...

    View full details
    $10.03 - $10.03
    $10.03
    $10.03 - $10.03
    $10.03
  • 5/16"-18 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $13.56 - $13.56
    $13.56
    $13.56 - $13.56
    $13.56

    5/16"-18 Zinc Case Hardened Hex Flange Nuts (32 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 11/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Case Hardened...

    View full details
    $13.56 - $13.56
    $13.56
    $13.56 - $13.56
    $13.56
  • 3/8"-16 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $10.86 - $10.86
    $10.86
    $10.86 - $10.86
    $10.86

    3/8"-16 Zinc Case Hardened Hex Flange Nuts (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 9/16"Thickness: 11/32"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Case Hardened...

    View full details
    $10.86 - $10.86
    $10.86
    $10.86 - $10.86
    $10.86
  • 1/4"-20 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35

    1/4"-20 Zinc Case Hardened Hex Flange Nuts (551 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 19/32"Thickness: 1/4"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Case HardenedS...

    View full details
    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35
  • 5/16"-18 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35

    5/16"-18 Zinc Case Hardened Hex Flange Nuts (396 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 11/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Case Hardened...

    View full details
    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35
  • 3/8"-16 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35

    3/8"-16 Zinc Case Hardened Hex Flange Nuts (275 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 9/16"Thickness: 11/32"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Case Hardened...

    View full details
    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35
  • 1/2"-13 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35

    1/2"-13 Zinc Case Hardened Hex Flange Nuts (113 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Diameter 2: 1-1/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: Case Hardene...

    View full details
    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35