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Lock Nuts

  • 3/4"-10 18-8 Stainless Steel Coarse Thread Type C Lock Nuts
    $27.20 - $27.20
    $27.20
    $27.20 - $27.20
    $27.20

    3/4"-10 18-8 Stainless Steel Coarse Thread Type C Lock Nuts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Diameter 2: 1-1/4"Thickness: 21/32"Material: Stainless SteelDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Hardness: 18-8Style: Ty...

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    $27.20 - $27.20
    $27.20
    $27.20 - $27.20
    $27.20
  • 1/4"-28 18-8 Stainless Steel Fine Thread Type C Lock Nuts
    $11.87 - $11.87
    $11.87
    $11.87 - $11.87
    $11.87

    1/4"-28 18-8 Stainless Steel Fine Thread Type C Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: Stainless SteelDriver Type: 7/16" WrenchThread Size: 28 (Fine)Hardness: 18-8Style: Type CTy...

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    $11.87 - $11.87
    $11.87
    $11.87 - $11.87
    $11.87
  • 5/16"-24 18-8 Stainless Steel Fine Thread Type C Lock Nuts
    $12.72 - $12.72
    $12.72
    $12.72 - $12.72
    $12.72

    5/16"-24 18-8 Stainless Steel Fine Thread Type C Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: 18-8Style: Type CT...

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    $12.72 - $12.72
    $12.72
    $12.72 - $12.72
    $12.72
  • 3/8"-24 18-8 Stainless Steel Fine Thread Type C Lock Nuts
    $13.35 - $13.35
    $13.35
    $13.35 - $13.35
    $13.35

    3/8"-24 18-8 Stainless Steel Fine Thread Type C Lock Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 5/8"Thickness: 11/32"Material: Stainless SteelDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: 18-8Style: Type CT...

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    $13.35 - $13.35
    $13.35
    $13.35 - $13.35
    $13.35
  • 7/16"-20 18-8 Stainless Steel Fine Thread Type C Lock Nuts
    Sold out
    $15.79 - $15.79
    $15.79
    $15.79 - $15.79
    $15.79

    7/16"-20 18-8 Stainless Steel Fine Thread Type C Lock Nuts (6 pcs.)

    Monster Fastener
    Out of stock

    Diameter: 7/16"Diameter 2: 25/32"Thickness: 3/8"Material: Stainless SteelDriver Type: 11/16" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Type ...

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    $15.79 - $15.79
    $15.79
    $15.79 - $15.79
    $15.79
    Sold out
  • 5/8"-18 18-8 Stainless Steel Fine Thread Type C Lock Nuts
    $17.70 - $17.70
    $17.70
    $17.70 - $17.70
    $17.70

    5/8"-18 18-8 Stainless Steel Fine Thread Type C Lock Nuts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-1/16"Thickness: 9/16"Material: Stainless SteelDriver Type: 15/16" WrenchThread Size: 18 (Fine)Hardness: 18-8Style: Type...

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    $17.70 - $17.70
    $17.70
    $17.70 - $17.70
    $17.70
  • 3/4"-16 18-8 Stainless Steel Fine Thread Type C Lock Nuts
    $16.95 - $16.95
    $16.95
    $16.95 - $16.95
    $16.95

    3/4"-16 18-8 Stainless Steel Fine Thread Type C Lock Nuts (2 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Diameter 2: 1-1/4"Thickness: 21/32"Material: Stainless SteelDriver Type: 1-1/8" WrenchThread Size: 16 (Fine)Hardness: 18-8Style: Type...

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    $16.95 - $16.95
    $16.95
    $16.95 - $16.95
    $16.95
  • 1/4"-28 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts
    $9.31 - $9.31
    $9.31
    $9.31 - $9.31
    $9.31

    1/4"-28 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 3/16"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 28 (Fine)Hardness: Grade 2Style: Kep...

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    $9.31 - $9.31
    $9.31
    $9.31 - $9.31
    $9.31
  • 5/16"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts
    $9.13 - $9.13
    $9.13
    $9.13 - $9.13
    $9.13

    5/16"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: Grade 2Style: K...

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    $9.13 - $9.13
    $9.13
    $9.13 - $9.13
    $9.13
  • 3/8"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts
    $9.00 - $9.00
    $9.00
    $9.00 - $9.00
    $9.00

    3/8"-24 Zinc Plated Grade 2 Steel Fine Thread Kep Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

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

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    $9.00 - $9.00
    $9.00
    $9.00 - $9.00
    $9.00
  • #10-32 Zinc Plated Steel Fine Thread Serrated Lock Nuts
    $9.64 - $9.64
    $9.64
    $9.64 - $9.64
    $9.64

    #10-32 Zinc Plated Steel Fine Thread Serrated Lock Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #10Diameter 2: 1/2"Thickness: 7/32"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 32 (Fine)Style: SerratedType: Flange N...

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    $9.64 - $9.64
    $9.64
    $9.64 - $9.64
    $9.64
  • 5/16"-24 Zinc Plated Steel Fine Thread Serrated Lock Nuts
    $8.94 - $8.94
    $8.94
    $8.94 - $8.94
    $8.94

    5/16"-24 Zinc Plated Steel Fine Thread Serrated Lock Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 11/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Fine)Style: SerratedType: Flan...

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    $8.94 - $8.94
    $8.94
    $8.94 - $8.94
    $8.94
  • 1/2"-20 Zinc Plated Steel Fine Thread Serrated Lock Nuts
    $9.09 - $9.09
    $9.09
    $9.09 - $9.09
    $9.09

    1/2"-20 Zinc Plated Steel Fine Thread Serrated Lock Nuts (6 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: 20 (Fine)Style: SerratedType: Fla...

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    $9.09 - $9.09
    $9.09
    $9.09 - $9.09
    $9.09
  • 5/8"-18 Zinc Plated Steel Fine Thread Serrated Lock Nuts
    $9.93 - $9.93
    $9.93
    $9.93 - $9.93
    $9.93

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

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-9/32"Thickness: 9/16"Material: SteelFinish: ZincDriver Type: 15/16" WrenchThread Size: 18 (Fine)Style: SerratedType: Fl...

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    $9.93 - $9.93
    $9.93
    $9.93 - $9.93
    $9.93
  • 9/16"-12 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74

    9/16"-12 Black Phosphate Grade 2 Nylon Insert Lock Nuts (82 pcs.)

    Monster Fastener
    10+ in stock

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

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    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74
  • 5/8"-11 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74

    5/8"-11 Black Phosphate Grade 2 Nylon Insert Lock Nuts (58 pcs.)

    Monster Fastener
    10+ in stock

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

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    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74
  • 3/4"-10 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74

    3/4"-10 Black Phosphate Grade 2 Nylon Insert Lock Nuts (42 pcs.)

    Monster Fastener
    10+ in stock

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

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    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74
  • 7/8"-9 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74

    7/8"-9 Black Phosphate Grade 2 Nylon Insert Lock Nuts (26 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/8"Diameter 2: 1-7/16"Thickness: 1"Material: SteelFinish: Black PhosphateDriver Type: 1-5/16" WrenchThread Size: 9 (Coarse)Hardness: Gra...

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    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74
  • #4-40 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
    $13.61 - $13.61
    $13.61
    $13.61 - $13.61
    $13.61

    #4-40 18-8 Stainless Nylon Insert Lock Nuts (100 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #4Diameter 2: 9/32"Thickness: 5/32"Material: Stainless SteelDriver Type: 1/4" WrenchThread Size: 40 (Coarse)Hardness: 18-8Style: Waxed Ny...

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    $13.61 - $13.61
    $13.61
    $13.61 - $13.61
    $13.61
  • 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...

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    $21.85 - $21.85
    $21.85
    $21.85 - $21.85
    $21.85
  • #12-24 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $11.19 - $11.19
    $11.19
    $11.19 - $11.19
    $11.19

    #12-24 Zinc Grade 2 Nylon Insert Lock Nuts (50 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #12Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 24 (Coarse)Hardness: Grade 2Style: Ny...

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    $11.19 - $11.19
    $11.19
    $11.19 - $11.19
    $11.19
  • 1/4"-28 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $14.59 - $14.59
    $14.59
    $14.59 - $14.59
    $14.59

    1/4"-28 Zinc Grade 8 Nylon Insert Lock Nuts (50 pcs.)

    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...

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    $14.59 - $14.59
    $14.59
    $14.59 - $14.59
    $14.59
  • 5/16"-24 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $16.66 - $16.66
    $16.66
    $16.66 - $16.66
    $16.66

    5/16"-24 Zinc Grade 8 Nylon Insert Lock Nuts (50 pcs.)

    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...

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    $16.66 - $16.66
    $16.66
    $16.66 - $16.66
    $16.66
  • #4-40 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $10.19 - $10.19
    $10.19
    $10.19 - $10.19
    $10.19

    #4-40 Zinc Grade 2 Nylon Insert Lock Nuts (100 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #4Diameter 2: 9/32"Thickness: 5/32"Material: SteelFinish: ZincDriver Type: 1/4" WrenchThread Size: 40 (Coarse)Hardness: Grade 2Style: Nyl...

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    $10.19 - $10.19
    $10.19
    $10.19 - $10.19
    $10.19