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

Lock Nuts

  • 10mm-1.0 Zinc Plated Class 8 Steel Extra Fine Thread Nylon Insert Lock Nuts
    $9.39 - $13.36
    $9.39 - $13.36
    $9.39 - $13.36
    $9.39

    10mm-1.0 Zinc Plated Class 8 Steel Extra Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 10mmDiameter 2: 19mmThickness: 9.9mmMaterial: SteelFinish: ZincDriver Type: #17 WrenchThread Size: 1.0mm (Extra Fine)Hardness: Class 8Sty...

    View full details
    $9.39 - $13.36
    $9.39 - $13.36
    $9.39 - $13.36
    $9.39
  • 10mm-1.5 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
    $15.42 - $15.42
    $15.42
    $15.42 - $15.42
    $15.42

    10mm-1.5 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 10mmDiameter 2: 17mmThickness: 14mmMaterial: SteelFinish: ZincDriver Type: #15 WrenchThread Size: 1.5mm (Coarse)Hardness: Class 8Style: N...

    View full details
    $15.42 - $15.42
    $15.42
    $15.42 - $15.42
    $15.42
  • 6mm-1.0 Black Phosphate Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40

    6mm-1.0 Black Phosphate Class 8 Nylon Insert Lock Nuts (1093 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 6mmDiameter 2: 11mmThickness: 6mmMaterial: SteelFinish: Black PhosphateDriver Type: #10 WrenchThread Size: 1.0mm (Coarse)Hardness: Class ...

    View full details
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40
  • 8mm-1.25 Black Phosphate Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40

    8mm-1.25 Black Phosphate Class 8 Nylon Insert Lock Nuts (481 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 8mmDiameter 2: 15mmThickness: 7.9mmMaterial: SteelFinish: Black PhosphateDriver Type: #13 WrenchThread Size: 1.25mm (Coarse)Hardness: Cla...

    View full details
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40
  • 12mm-1.75 Black Phosphate Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40

    12mm-1.75 Black Phosphate Class 8 Nylon Insert Lock Nuts (146 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 12mmDiameter 2: 22mmThickness: 12mmMaterial: SteelFinish: Black PhosphateDriver Type: #19 WrenchThread Size: 1.75mm (Coarse)Hardness: Cla...

    View full details
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40
  • 16mm-2.0 Black Phosphate Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40

    16mm-2.0 Black Phosphate Class 8 Nylon Insert Lock Nuts (72 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 16mmDiameter 2: 27mmThickness: 15mmMaterial: SteelFinish: Black PhosphateDriver Type: #24 WrenchThread Size: 2.0mm (Coarse)Hardness: Clas...

    View full details
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40
  • 20mm-2.5 Black Phosphate Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40

    20mm-2.5 Black Phosphate Class 8 Nylon Insert Lock Nuts (37 pcs)

    Monster Fastener
    Only 6 left!

    Diameter: 20mmDiameter 2: 34mmThickness: 20mmMaterial: SteelFinish: Black PhosphateDriver Type: #30 WrenchThread Size: 2.5mm (Coarse)Hardness: Clas...

    View full details
    $45.40 - $45.40
    $45.40
    $45.40 - $45.40
    $45.40
  • 5mm-0.8 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
    $10.25 - $12.01
    $10.25 - $12.01
    $10.25 - $12.01
    $10.25

    5mm-0.8 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5mmDiameter 2: 9mmThickness: 7mmMaterial: SteelFinish: ZincDriver Type: #8 WrenchThread Size: 0.8mm (Coarse)Hardness: Class 8Style: Nylon...

    View full details
    $10.25 - $12.01
    $10.25 - $12.01
    $10.25 - $12.01
    $10.25
  • 6mm-1.0 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
    $10.65 - $14.55
    $10.65 - $14.55
    $10.65 - $14.55
    $10.65

    6mm-1.0 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 6mmDiameter 2: 11mmThickness: 9mmMaterial: SteelFinish: ZincDriver Type: #10 WrenchThread Size: 1.0mm (Coarse)Hardness: Class 8Style: Nyl...

    View full details
    $10.65 - $14.55
    $10.65 - $14.55
    $10.65 - $14.55
    $10.65
  • 8mm-1.25 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
    $12.86 - $12.86
    $12.86
    $12.86 - $12.86
    $12.86

    8mm-1.25 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 8mmDiameter 2: 15mmThickness: 11mmMaterial: SteelFinish: ZincDriver Type: #13 WrenchThread Size: 1.25mm (Coarse)Hardness: Class 8Style: N...

    View full details
    $12.86 - $12.86
    $12.86
    $12.86 - $12.86
    $12.86
  • 12mm-1.75 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
    $18.33 - $18.33
    $18.33
    $18.33 - $18.33
    $18.33

    12mm-1.75 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 12mmDiameter 2: 20mmThickness: 16mmMaterial: SteelFinish: ZincDriver Type: #18 WrenchThread Size: 1.75mm (Coarse)Hardness: Class 8Style: ...

    View full details
    $18.33 - $18.33
    $18.33
    $18.33 - $18.33
    $18.33
  • 14mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
    $18.56 - $18.56
    $18.56
    $18.56 - $18.56
    $18.56

    14mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 14mmDiameter 2: 24mmThickness: 18mmMaterial: SteelFinish: Yellow ZincDriver Type: #21 WrenchThread Size: 2.0mm (Coarse)Hardness: Class 8S...

    View full details
    $18.56 - $18.56
    $18.56
    $18.56 - $18.56
    $18.56
  • 16mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
    $18.36 - $18.36
    $18.36
    $18.36 - $18.36
    $18.36

    16mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 16mmDiameter 2: 27mmThickness: 20mmMaterial: SteelFinish: ZincDriver Type: #24 WrenchThread Size: 2.0mm (Coarse)Hardness: Class 8Style: N...

    View full details
    $18.36 - $18.36
    $18.36
    $18.36 - $18.36
    $18.36
  • 20mm-2.5 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts
    $23.92 - $23.92
    $23.92
    $23.92 - $23.92
    $23.92

    20mm-2.5 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 20mmDiameter 2: 34mmThickness: 25mmMaterial: SteelFinish: Yellow ZincDriver Type: #30 WrenchThread Size: 2.5mm (Coarse)Hardness: Class 8S...

    View full details
    $23.92 - $23.92
    $23.92
    $23.92 - $23.92
    $23.92
  • 20mm-2.5 Zinc Plated Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $21.85 - $21.85
    $21.85
    $21.85 - $21.85
    $21.85

    20mm-2.5 Zinc Class 8 Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 20mmDiameter 2: 34mmThickness: 20mmMaterial: SteelFinish: ZincDriver Type: #30 WrenchThread Size: 2.5mm (Coarse)Hardness: Class 8Style: N...

    View full details
    $21.85 - $21.85
    $21.85
    $21.85 - $21.85
    $21.85
  • 3mm-0.5 Zinc Plated Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $10.17 - $10.17
    $10.17
    $10.17 - $10.17
    $10.17

    3mm-0.5 Zinc Class 8 Nylon Insert Lock Nuts (50 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3mmDiameter 2: 6.1mmThickness: 3.9mmMaterial: SteelFinish: ZincDriver Type: #6 WrenchThread Size: 0.5mm (Coarse)Hardness: Class 8Style: N...

    View full details
    $10.17 - $10.17
    $10.17
    $10.17 - $10.17
    $10.17
  • 18mm-2.5 Zinc Plated Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $16.86 - $16.86
    $16.86
    $16.86 - $16.86
    $16.86

    18mm-2.5 Zinc Class 8 Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 18mmDiameter 2: 30mmThickness: 18mmMaterial: SteelFinish: ZincDriver Type: #27 WrenchThread Size: 2.5mm (Coarse)Hardness: Class 8Style: N...

    View full details
    $16.86 - $16.86
    $16.86
    $16.86 - $16.86
    $16.86
  • 12mm-1.0 Zinc Plated Class 8 Steel Super Fine Thread Nylon Insert Lock Nuts
    $20.33 - $20.33
    $20.33
    $20.33 - $20.33
    $20.33

    12mm-1.0 Zinc Class 8 Super Nylon Insert Lock Nuts (25 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 12mmDiameter 2: 22mmThickness: 12mmMaterial: SteelFinish: ZincDriver Type: #19 WrenchThread Size: 1.0mm (Super Fine)Hardness: Class 8Styl...

    View full details
    $20.33 - $20.33
    $20.33
    $20.33 - $20.33
    $20.33
  • 6mm-1.0 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts
    $13.71 - $16.32
    $13.71 - $16.32
    $13.71 - $16.32
    $13.71

    6mm-1.0 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 6mmDiameter 2: 11mmThickness: 5.9mmMaterial: SteelFinish: ZincDriver Type: #10 WrenchThread Size: 1.0mm (Coarse)Hardness: Class 8Style: P...

    View full details
    $13.71 - $16.32
    $13.71 - $16.32
    $13.71 - $16.32
    $13.71
  • 8mm-1.25 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts
    $15.40 - $16.74
    $15.40 - $16.74
    $15.40 - $16.74
    $15.40

    8mm-1.25 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 8mmDiameter 2: 15mmThickness: 7.8mmMaterial: SteelFinish: ZincDriver Type: #13 WrenchThread Size: 1.25mm (Coarse)Hardness: Class 8Style: ...

    View full details
    $15.40 - $16.74
    $15.40 - $16.74
    $15.40 - $16.74
    $15.40
  • 10mm-1.5 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts
    $12.86 - $16.05
    $12.86 - $16.05
    $12.86 - $16.05
    $12.86

    10mm-1.5 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 10mmDiameter 2: 19mmThickness: 9.5mmMaterial: SteelFinish: ZincDriver Type: #17 WrenchThread Size: 1.5mm (Coarse)Hardness: Class 8Style: ...

    View full details
    $12.86 - $16.05
    $12.86 - $16.05
    $12.86 - $16.05
    $12.86
  • 12mm-1.75 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts
    $14.55 - $17.19
    $14.55 - $17.19
    $14.55 - $17.19
    $14.55

    12mm-1.75 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 12mmDiameter 2: 21mmThickness: 12mmMaterial: SteelFinish: ZincDriver Type: #19 WrenchThread Size: 1.75mm (Coarse)Hardness: Class 8Style: ...

    View full details
    $14.55 - $17.19
    $14.55 - $17.19
    $14.55 - $17.19
    $14.55
  • 14mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts
    $13.87 - $16.83
    $13.87 - $16.83
    $13.87 - $16.83
    $13.87

    14mm-2.0 Zinc Plated Class 8 Steel Coarse Thread Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 14mmDiameter 2: 25mmThickness: 14mmMaterial: SteelFinish: ZincDriver Type: #22 WrenchThread Size: 2.0mm (Coarse)Hardness: Class 8Style: P...

    View full details
    $13.87 - $16.83
    $13.87 - $16.83
    $13.87 - $16.83
    $13.87
  • 7mm-1.0 Zinc Plated Class 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $9.74 - $11.18
    $9.74 - $11.18
    $9.74 - $11.18
    $9.74

    7mm-1.0 Zinc Plated Class 8 Steel Coarse Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 7mmDiameter 2: 12mmThickness: 7.4mmMaterial: SteelFinish: ZincDriver Type: #11 wrenchThread Size: 1.0mm (Coarse)Hardness: Class 8Style: N...

    View full details
    $9.74 - $11.18
    $9.74 - $11.18
    $9.74 - $11.18
    $9.74