Skip to content
Free shipping on all orders!
Free shipping on all orders!

Lock Nuts

  • Original price $5.96 - Original price $8.12
    Original price
    $5.96 - $8.12
    $5.96 - $8.12
    Current price $5.96

    5/8"-18 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

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

    View full details
    Original price $5.96 - Original price $8.12
    Original price
    $5.96 - $8.12
    $5.96 - $8.12
    Current price $5.96
  • Original price $4.26 - Original price $4.26
    Original price
    $4.26
    $4.26 - $4.26
    Current price $4.26

    5/16"-18 Black Oxide Steel Coarse Thread Nylon Insert Lock Nuts (8 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Black OxideDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Style: Nylon In...

    View full details
    Original price $4.26 - Original price $4.26
    Original price
    $4.26
    $4.26 - $4.26
    Current price $4.26
  • Original price $5.51 - Original price $7.01
    Original price
    $5.51 - $7.01
    $5.51 - $7.01
    Current price $5.51

    9/16"-18 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

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

    View full details
    Original price $5.51 - Original price $7.01
    Original price
    $5.51 - $7.01
    $5.51 - $7.01
    Current price $5.51
  • Original price $5.98 - Original price $9.13
    Original price
    $5.98 - $9.13
    $5.98 - $9.13
    Current price $5.98

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

    centurytool.store
    10+ in stock

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

    View full details
    Original price $5.98 - Original price $9.13
    Original price
    $5.98 - $9.13
    $5.98 - $9.13
    Current price $5.98
  • Original price $6.97 - Original price $11.25
    Original price
    $6.97 - $11.25
    $6.97 - $11.25
    Current price $6.97

    7/8"-9 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

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

    View full details
    Original price $6.97 - Original price $11.25
    Original price
    $6.97 - $11.25
    $6.97 - $11.25
    Current price $6.97
  • Original price $5.33 - Original price $5.33
    Original price
    $5.33
    $5.33 - $5.33
    Current price $5.33

    1/4"-20 Zinc Plated Grade 5 Steel Coarse Thread Flange Lock Nuts (20 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 1/4"Diameter 2: 9/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grade 5Style: ...

    View full details
    Original price $5.33 - Original price $5.33
    Original price
    $5.33
    $5.33 - $5.33
    Current price $5.33
  • Original price $6.02 - Original price $6.02
    Original price
    $6.02
    $6.02 - $6.02
    Current price $6.02

    7/16"-20 Polished 18-8 Stainless Nylon Insert Lock Nuts (4 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: Stainless SteelFinish: PolishedDriver Type: 5/8" WrenchThread Size: 20 (Fine)Hardness: ...

    View full details
    Original price $6.02 - Original price $6.02
    Original price
    $6.02
    $6.02 - $6.02
    Current price $6.02
  • Original price $13.37 - Original price $13.37
    Original price
    $13.37
    $13.37 - $13.37
    Current price $13.37

    1-1/8"-7 Zinc Plated Grade 8 Steel Coarse Thread Lock Nuts (5 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 1-1/8"Diameter 2: 1-7/8"Thickness: 1-3/16"Material: SteelFinish: Yellow ZincDriver Type: 1-11/16" WrenchThread Size: 7 (Coarse)Hardness: ...

    View full details
    Original price $13.37 - Original price $13.37
    Original price
    $13.37
    $13.37 - $13.37
    Current price $13.37
  • Original price $5.82 - Original price $5.82
    Original price
    $5.82
    $5.82 - $5.82
    Current price $5.82

    1/2"-20 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts (5 pcs.)

    centurytool.store
    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
    Original price $5.82 - Original price $5.82
    Original price
    $5.82
    $5.82 - $5.82
    Current price $5.82
  • Original price $5.66 - Original price $5.66
    Original price
    $5.66
    $5.66 - $5.66
    Current price $5.66

    5/8"-11 Zinc Grade 2 Nylon Insert Lock Nuts (6 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-7/32"Thickness: 49/64"Material: SteelFinish: ZincDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: Grade 2Sty...

    View full details
    Original price $5.66 - Original price $5.66
    Original price
    $5.66
    $5.66 - $5.66
    Current price $5.66
  • Original price $6.96 - Original price $6.96
    Original price
    $6.96
    $6.96 - $6.96
    Current price $6.96

    1/2"-13 Zinc Grade 8 Nylon Insert Lock Nuts (6 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 1/2"Diameter 2: 27/32"Thickness: 39/64"Material: SteelFinish: Yellow ZincDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: Grade ...

    View full details
    Original price $6.96 - Original price $6.96
    Original price
    $6.96
    $6.96 - $6.96
    Current price $6.96
  • Original price $7.14 - Original price $7.14
    Original price
    $7.14
    $7.14 - $7.14
    Current price $7.14

    5/8"-11 Zinc Grade 8 Nylon Insert Lock Nuts (5 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-7/32"Thickness: 49/64"Material: SteelFinish: Yellow ZincDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: Gra...

    View full details
    Original price $7.14 - Original price $7.14
    Original price
    $7.14
    $7.14 - $7.14
    Current price $7.14
  • Original price $5.63 - Original price $16.28
    Original price
    $5.63 - $16.28
    $5.63 - $16.28
    Current price $5.63

    1/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grade 2Style: ...

    View full details
    Original price $5.63 - Original price $16.28
    Original price
    $5.63 - $16.28
    $5.63 - $16.28
    Current price $5.63
  • Original price $4.7 - Original price $6.68
    Original price
    $4.7 - $6.68
    $4.7 - $6.68
    Current price $4.7

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

    centurytool.store
    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
    Original price $4.7 - Original price $6.68
    Original price
    $4.7 - $6.68
    $4.7 - $6.68
    Current price $4.7
  • Original price $5.65 - Original price $6.49
    Original price
    $5.65 - $6.49
    $5.65 - $6.49
    Current price $5.65

    9/16"-12 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

    Diameter: 9/16"Diameter 2: 1"Thickness: 21/32"Material: SteelFinish: Yellow ZincDriver Type: 7/8" WrenchThread Size: 12 (Coarse)Hardness: Grade 8St...

    View full details
    Original price $5.65 - Original price $6.49
    Original price
    $5.65 - $6.49
    $5.65 - $6.49
    Current price $5.65
  • Original price $7.71 - Original price $7.71
    Original price
    $7.71
    $7.71 - $7.71
    Current price $7.71

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

    centurytool.store
    10+ in stock

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

    View full details
    Original price $7.71 - Original price $7.71
    Original price
    $7.71
    $7.71 - $7.71
    Current price $7.71
  • Original price $6.41 - Original price $6.41
    Original price
    $6.41
    $6.41 - $6.41
    Current price $6.41

    5/16"-24 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (6 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: SteelFinish: Black ChromeDriver Type: 1/2" WrenchThread Size: 24 (Fine)Style: Nylon Inse...

    View full details
    Original price $6.41 - Original price $6.41
    Original price
    $6.41
    $6.41 - $6.41
    Current price $6.41
  • Original price $6.02 - Original price $6.02
    Original price
    $6.02
    $6.02 - $6.02
    Current price $6.02

    7/16"-20 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (4 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: Black ChromeDriver Type: 5/8" WrenchThread Size: 20 (Fine)Style: Nylon Ins...

    View full details
    Original price $6.02 - Original price $6.02
    Original price
    $6.02
    $6.02 - $6.02
    Current price $6.02
  • Original price $4.72 - Original price $4.72
    Original price
    $4.72
    $4.72 - $4.72
    Current price $4.72

    #6-32 Black Zinc Plated Steel Coarse Thread Nylon Insert Lock Nuts (20 pcs.)

    centurytool.store
    10+ in stock

    Diameter: #6Diameter 2: 11/32"Thickness: 3/16"Material: SteelFinish: Black ZincDriver Type: 5/16" WrenchThread Size: 32 (Coarse)Style: Nylon Insert...

    View full details
    Original price $4.72 - Original price $4.72
    Original price
    $4.72
    $4.72 - $4.72
    Current price $4.72
  • Original price $6.05 - Original price $6.05
    Original price
    $6.05
    $6.05 - $6.05
    Current price $6.05

    9/16"-18 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts (8 pcs.)

    centurytool.store
    10+ in stock

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

    View full details
    Original price $6.05 - Original price $6.05
    Original price
    $6.05
    $6.05 - $6.05
    Current price $6.05
  • Original price $10.78 - Original price $10.78
    Original price
    $10.78
    $10.78 - $10.78
    Current price $10.78

    7/16"-14 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts (10 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: ChromeDriver Type: 5/8" WrenchThread Size: 14 (Coarse)Style: Nylon InsertT...

    View full details
    Original price $10.78 - Original price $10.78
    Original price
    $10.78
    $10.78 - $10.78
    Current price $10.78
  • Original price $18.37 - Original price $18.37
    Original price
    $18.37
    $18.37 - $18.37
    Current price $18.37

    5/16"-18 Black Phosphate Grade 2 Nylon Insert Lock Nuts (452 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Black PhosphateDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Gr...

    View full details
    Original price $18.37 - Original price $18.37
    Original price
    $18.37
    $18.37 - $18.37
    Current price $18.37
  • Original price $18.37 - Original price $18.37
    Original price
    $18.37
    $18.37 - $18.37
    Current price $18.37

    3/8"-16 Black Phosphate Grade 2 Nylon Insert Lock Nuts (286 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Black PhosphateDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: G...

    View full details
    Original price $18.37 - Original price $18.37
    Original price
    $18.37
    $18.37 - $18.37
    Current price $18.37
  • Original price $18.37 - Original price $18.37
    Original price
    $18.37
    $18.37 - $18.37
    Current price $18.37

    1/2"-13 Black Phosphate Grade 2 Nylon Insert Lock Nuts (117 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 1/2"Diameter 2: 27/32"Thickness: 39/64"Material: SteelFinish: Black PhosphateDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: Gr...

    View full details
    Original price $18.37 - Original price $18.37
    Original price
    $18.37
    $18.37 - $18.37
    Current price $18.37