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

Lock Nuts

  • 7/16"-14 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $15.18 - $15.18
    $15.18
    $15.18 - $15.18
    $15.18

    7/16"-14 Zinc Grade 8 Nylon Insert Lock Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: Yellow ZincDriver Type: 5/8" WrenchThread Size: 14 (Coarse)Hardness: Grade...

    View full details
    $15.18 - $15.18
    $15.18
    $15.18 - $15.18
    $15.18
  • 3/4"-10 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $14.47 - $14.47
    $14.47
    $14.47 - $14.47
    $14.47

    3/4"-10 Zinc Grade 8 Nylon Insert Lock Nuts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Diameter 2: 1-7/32"Thickness: 57/64"Material: SteelFinish: Yellow ZincDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Hardness: Gra...

    View full details
    $14.47 - $14.47
    $14.47
    $14.47 - $14.47
    $14.47
  • 7/8"-9 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49

    7/8"-9 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/8"Diameter 2: 1-7/16"Thickness: 1"Material: SteelFinish: Yellow ZincDriver Type: 1-5/16" WrenchThread Size: 9 (Coarse)Hardness: Grade 8...

    View full details
    $13.49 - $13.49
    $13.49
    $13.49 - $13.49
    $13.49
  • 5/8"-18 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $15.30 - $15.30
    $15.30
    $15.30 - $15.30
    $15.30

    5/8"-18 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-7/32"Thickness: 49/64"Material: SteelFinish: Yellow ZincDriver Type: 15/16" WrenchThread Size: 18 (Fine)Hardness: Grade...

    View full details
    $15.30 - $15.30
    $15.30
    $15.30 - $15.30
    $15.30
  • 3/4"-16 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $16.13 - $16.13
    $16.13
    $16.13 - $16.13
    $16.13

    3/4"-16 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Diameter 2: 1-7/32"Thickness: 57/64"Material: SteelFinish: Yellow ZincDriver Type: 1-1/8" WrenchThread Size: 16 (Fine)Hardness: Grade...

    View full details
    $16.13 - $16.13
    $16.13
    $16.13 - $16.13
    $16.13
  • 1/2"-20 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $14.91 - $14.91
    $14.91
    $14.91 - $14.91
    $14.91

    1/2"-20 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Diameter 2: 27/32"Thickness: 39/64"Material: SteelFinish: Yellow ZincDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: Grade 8S...

    View full details
    $14.91 - $14.91
    $14.91
    $14.91 - $14.91
    $14.91
  • 9/16"-18 Zinc Plated Grade 8 Steel Fine Thread Coarse Lock Nuts
    $14.61 - $18.37
    $14.61 - $18.37
    $14.61 - $18.37
    $14.61

    9/16"-18 Zinc Plated Grade 8 Steel Fine Thread Coarse Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 9/16"Diameter 2: 1"Thickness: 21/32"Material: SteelFinish: Yellow ZincDriver Type: 7/8" WrenchThread Size: 18 (Fine)Hardness: Grade 8Styl...

    View full details
    $14.61 - $18.37
    $14.61 - $18.37
    $14.61 - $18.37
    $14.61
  • 5/8"-18 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $10.49 - $22.45
    $10.49 - $22.45
    $10.49 - $22.45
    $10.49

    5/8"-18 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-7/32"Thickness: 49/64"Material: SteelFinish: Yellow ZincDriver Type: 15/16" WrenchThread Size: 18 (Fine)Hardness: Grade...

    View full details
    $10.49 - $22.45
    $10.49 - $22.45
    $10.49 - $22.45
    $10.49
  • 3/4"-16 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $10.20 - $18.17
    $10.20 - $18.17
    $10.20 - $18.17
    $10.20

    3/4"-16 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Diameter 2: 1-7/32"Thickness: 57/64"Material: SteelFinish: Yellow ZincDriver Type: 1-1/8" WrenchThread Size: 16 (Fine)Hardness: Grade...

    View full details
    $10.20 - $18.17
    $10.20 - $18.17
    $10.20 - $18.17
    $10.20
  • 7/8"-14 Zinc Plated Grade 8 Steel Fine Thread Coarse Lock Nuts
    $14.53 - $22.92
    $14.53 - $22.92
    $14.53 - $22.92
    $14.53

    7/8"-14 Zinc Plated Grade 8 Steel Fine Thread Coarse Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 7/8"Diameter 2: 1-7/16"Thickness: 3/4"Material: SteelFinish: Yellow ZincDriver Type: 1-5/16" WrenchThread Size: 14 (Fine)Hardness: Grade ...

    View full details
    $14.53 - $22.92
    $14.53 - $22.92
    $14.53 - $22.92
    $14.53
  • 1"-14 Zinc Plated Grade 8 Steel Fine Thread Coarse Lock Nuts
    $13.86 - $17.37
    $13.86 - $17.37
    $13.86 - $17.37
    $13.86

    1"-14 Zinc Plated Grade 8 Steel Fine Thread Coarse Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 1"Diameter 2: 1-21/32"Thickness: 55/64"Material: SteelFinish: Yellow ZincDriver Type: 1-1/2" WrenchThread Size: 14 (Fine)Hardness: Grade ...

    View full details
    $13.86 - $17.37
    $13.86 - $17.37
    $13.86 - $17.37
    $13.86
  • 1/4"-28 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $11.57 - $17.41
    $11.57 - $17.41
    $11.57 - $17.41
    $11.57

    1/4"-28 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: Yellow ZincDriver Type: 7/16" WrenchThread Size: 28 (Fine)Hardness: Grade 8St...

    View full details
    $11.57 - $17.41
    $11.57 - $17.41
    $11.57 - $17.41
    $11.57
  • 5/16"-24 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $12.40 - $16.64
    $12.40 - $16.64
    $12.40 - $16.64
    $12.40

    5/16"-24 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 8S...

    View full details
    $12.40 - $16.64
    $12.40 - $16.64
    $12.40 - $16.64
    $12.40
  • 3/8"-24 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $16.17 - $19.05
    $16.17 - $19.05
    $16.17 - $19.05
    $16.17

    3/8"-24 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Yellow ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: Grade 8...

    View full details
    $16.17 - $19.05
    $16.17 - $19.05
    $16.17 - $19.05
    $16.17
  • 8mm-1.0 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts
    $9.60 - $16.58
    $9.60 - $16.58
    $9.60 - $16.58
    $9.60

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

    Monster Fastener
    10+ in stock

    Diameter: 8mmDiameter 2: 15mmThickness: 7.9mmMaterial: SteelFinish: Yellow ZincDriver Type: #13 WrenchThread Size: 1.0mm (Fine)Hardness: Class 8Sty...

    View full details
    $9.60 - $16.58
    $9.60 - $16.58
    $9.60 - $16.58
    $9.60
  • 10mm-1.25 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts
    $9.51 - $14.43
    $9.51 - $14.43
    $9.51 - $14.43
    $9.51

    10mm-1.25 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 10mmDiameter 2: 19mmThickness: 9.9mmMaterial: SteelFinish: Yellow ZincDriver Type: #17 WrenchThread Size: 1.25mm (Fine)Hardness: Class 8S...

    View full details
    $9.51 - $14.43
    $9.51 - $14.43
    $9.51 - $14.43
    $9.51
  • 12mm-1.5 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts
    $9.39 - $18.34
    $9.39 - $18.34
    $9.39 - $18.34
    $9.39

    12mm-1.5 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 12mmDiameter 2: 22mmThickness: 12mmMaterial: SteelFinish: Yellow ZincDriver Type: #19 WrenchThread Size: 1.5mm (Fine)Hardness: Class 8Sty...

    View full details
    $9.39 - $18.34
    $9.39 - $18.34
    $9.39 - $18.34
    $9.39
  • 14mm-1.5 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts
    $9.49 - $17.16
    $9.49 - $17.16
    $9.49 - $17.16
    $9.49

    14mm-1.5 Zinc Plated Class 8 Steel Fine Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 14mmDiameter 2: 25mmThickness: 14mmMaterial: SteelFinish: Yellow ZincDriver Type: #22 WrenchThread Size: 1.5mm (Fine)Hardness: Class 8Sty...

    View full details
    $9.49 - $17.16
    $9.49 - $17.16
    $9.49 - $17.16
    $9.49