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

Lock Nuts

  • 3/8"-16 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $5.98 - $9.13
    $5.98 - $9.13
    $5.98 - $9.13
    $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
    $5.98 - $9.13
    $5.98 - $9.13
    $5.98 - $9.13
    $5.98
  • 7/16"-20 Polished 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $6.02 - $6.02
    $6.02
    $6.02 - $6.02
    $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
    $6.02 - $6.02
    $6.02
    $6.02 - $6.02
    $6.02
  • 7/16"-20 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts
    $6.02 - $6.02
    $6.02
    $6.02 - $6.02
    $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
    $6.02 - $6.02
    $6.02
    $6.02 - $6.02
    $6.02
  • 7/16"-14 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $10.78 - $10.78
    $10.78
    $10.78 - $10.78
    $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
    $10.78 - $10.78
    $10.78
    $10.78 - $10.78
    $10.78
  • 3/8"-16 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $18.37 - $18.37
    $18.37
    $18.37 - $18.37
    $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
    $18.37 - $18.37
    $18.37
    $18.37 - $18.37
    $18.37
  • 3/8"-24 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
    $5.73 - $7.67
    $5.73 - $7.67
    $5.73 - $7.67
    $5.73

    3/8"-24 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

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

    View full details
    $5.73 - $7.67
    $5.73 - $7.67
    $5.73 - $7.67
    $5.73
  • 7/16"-20 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
    $4.91 - $6.37
    $4.91 - $6.37
    $4.91 - $6.37
    $4.91

    7/16"-20 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style...

    View full details
    $4.91 - $6.37
    $4.91 - $6.37
    $4.91 - $6.37
    $4.91
  • 7/16"-14 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $5.46 - $6.94
    $5.46 - $6.94
    $5.46 - $6.94
    $5.46

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

    centurytool.store
    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
    $5.46 - $6.94
    $5.46 - $6.94
    $5.46 - $6.94
    $5.46
  • $5.13 - $9.37
    $5.13 - $9.37
    $5.13 - $9.37
    $5.13

    3/8"-16 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: Stainless SteelDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: 18-8Style: Wax...

    View full details
    $5.13 - $9.37
    $5.13 - $9.37
    $5.13 - $9.37
    $5.13
  • 3/8"-16 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $5.63 - $6.31
    $5.63 - $6.31
    $5.63 - $6.31
    $5.63

    3/8"-16 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

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

    View full details
    $5.63 - $6.31
    $5.63 - $6.31
    $5.63 - $6.31
    $5.63
  • 3/8"-16 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
    $5.63 - $7.28
    $5.63 - $7.28
    $5.63 - $7.28
    $5.63

    3/8"-16 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts

    centurytool.store
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: Stainless SteelDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: 18-8Style: Wax...

    View full details
    $5.63 - $7.28
    $5.63 - $7.28
    $5.63 - $7.28
    $5.63
  • 7/16"-14 Polished 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
    $6.02 - $6.02
    $6.02
    $6.02 - $6.02
    $6.02

    7/16"-14 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: 14 (Coarse)Hardness...

    View full details
    $6.02 - $6.02
    $6.02
    $6.02 - $6.02
    $6.02
  • 1/2"-13 18-8 Stainless Steel Coarse Thread Serrated Lock Nuts
    $5.97 - $5.97
    $5.97
    $5.97 - $5.97
    $5.97

    1/2"-13 18-8 Stainless Steel Coarse Thread Serrated Lock Nuts (6 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 1/2"Diameter 2: 27/32"Thickness: 15/32"Material: Stainless SteelDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: 18-8Style: Serr...

    View full details
    $5.97 - $5.97
    $5.97
    $5.97 - $5.97
    $5.97
  • 3/8"-16 Black Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $6.38 - $6.38
    $6.38
    $6.38 - $6.38
    $6.38

    3/8"-16 Black Chrome Nylon Insert Lock Nuts (5 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Black ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Style: Nylon I...

    View full details
    $6.38 - $6.38
    $6.38
    $6.38 - $6.38
    $6.38
  • 7/16"-14 Black Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $6.02 - $6.02
    $6.02
    $6.02 - $6.02
    $6.02

    7/16"-14 Black Chrome 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: 14 (Coarse)Style: Nylon I...

    View full details
    $6.02 - $6.02
    $6.02
    $6.02 - $6.02
    $6.02
  • 3/8"-24 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts
    $6.38 - $6.38
    $6.38
    $6.38 - $6.38
    $6.38

    3/8"-24 Black Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (5 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Black ChromeDriver Type: 9/16" WrenchThread Size: 24 (Fine)Style: Nylon Ins...

    View full details
    $6.38 - $6.38
    $6.38
    $6.38 - $6.38
    $6.38
  • 1/2"-20 Zinc Plated Steel Fine Thread Serrated Lock Nuts
    $4.55 - $4.55
    $4.55
    $4.55 - $4.55
    $4.55

    1/2"-20 Zinc Plated Steel Fine Thread Serrated Lock Nuts (6 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 1/2"Diameter 2: 1-1/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 20 (Fine)Style: SerratedType: Fla...

    View full details
    $4.55 - $4.55
    $4.55
    $4.55 - $4.55
    $4.55
  • 3/8"-24 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $6.65 - $6.65
    $6.65
    $6.65 - $6.65
    $6.65

    3/8"-24 18-8 Stainless Nylon Insert Lock Nuts (12 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: Stainless SteelDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: 18-8Style: Waxed...

    View full details
    $6.65 - $6.65
    $6.65
    $6.65 - $6.65
    $6.65
  • 7/16"-20 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $6 - $6
    $6
    $6 - $6
    $6

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

    centurytool.store
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: Stainless SteelDriver Type: 5/8" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Waxed...

    View full details
    $6 - $6
    $6
    $6 - $6
    $6
  • 3/8"-16 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $8.5 - $8.5
    $8.5
    $8.5 - $8.5
    $8.5

    3/8"-16 Chrome Nylon Insert Lock Nuts (10 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Style: Nylon InsertT...

    View full details
    $8.5 - $8.5
    $8.5
    $8.5 - $8.5
    $8.5
  • 3/8"-24 Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts
    $8.5 - $8.5
    $8.5
    $8.5 - $8.5
    $8.5

    3/8"-24 Chrome Nylon Insert Lock Nuts (10 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 24 (Fine)Style: Nylon InsertTyp...

    View full details
    $8.5 - $8.5
    $8.5
    $8.5 - $8.5
    $8.5
  • 7/16"-20 Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts
    $8.97 - $8.97
    $8.97
    $8.97 - $8.97
    $8.97

    7/16"-20 Chrome 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: 20 (Fine)Style: Nylon InsertTyp...

    View full details
    $8.97 - $8.97
    $8.97
    $8.97 - $8.97
    $8.97
  • 3/8"-24 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $6.08 - $6.08
    $6.08
    $6.08 - $6.08
    $6.08

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

    centurytool.store
    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
    $6.08 - $6.08
    $6.08
    $6.08 - $6.08
    $6.08
  • 7/16"-14 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $6.87 - $6.87
    $6.87
    $6.87 - $6.87
    $6.87

    7/16"-14 Zinc Grade 2 Nylon Insert Lock Nuts (16 pcs.)

    centurytool.store
    10+ in stock

    Diameter: 7/16"Diameter 2: 23/32"Thickness: 15/32"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 14 (Coarse)Hardness: Grade 2Sty...

    View full details
    $6.87 - $6.87
    $6.87
    $6.87 - $6.87
    $6.87