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

Lock Nuts

  • 1/4"-28 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
    $8.82 - $8.82
    $8.82
    $8.82 - $8.82
    $8.82

    1/4"-28 Zinc Grade 2 Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 28 (Fine)Hardness: Grade 2Style: Thi...

    View full details
    $8.82 - $8.82
    $8.82
    $8.82 - $8.82
    $8.82
  • 1/4"-20 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $14.90 - $14.90
    $14.90
    $14.90 - $14.90
    $14.90

    1/4"-20 Chrome Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: SteelFinish: ChromeDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Style: Nylon InsertType...

    View full details
    $14.90 - $14.90
    $14.90
    $14.90 - $14.90
    $14.90
  • 1/4"-28 Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts
    $14.90 - $14.90
    $14.90
    $14.90 - $14.90
    $14.90

    1/4"-28 Chrome Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: SteelFinish: ChromeDriver Type: 7/16" WrenchThread Size: 28 (Fine)Style: Nylon InsertType: ...

    View full details
    $14.90 - $14.90
    $14.90
    $14.90 - $14.90
    $14.90
  • 1/4"-28 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts
    $12.66 - $12.66
    $12.66
    $12.66 - $12.66
    $12.66

    1/4"-28 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

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

    View full details
    $12.66 - $12.66
    $12.66
    $12.66 - $12.66
    $12.66
  • 1/4"-20 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $16.14 - $16.14
    $16.14
    $16.14 - $16.14
    $16.14

    1/4"-20 Zinc Grade 8 Nylon Insert Lock Nuts (16 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: 20 (Coarse)Hardness: Grade 8...

    View full details
    $16.14 - $16.14
    $16.14
    $16.14 - $16.14
    $16.14
  • 1/4"-20 Nylon Plastic Coarse Thread Lock Nuts
    $12.75 - $12.75
    $12.75
    $12.75 - $12.75
    $12.75

    1/4"-20 Nylon Plastic Coarse Thread Lock Nuts (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 1/4"Material: NylonDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Type: Lock NutBox of 16.A lock nut is ...

    View full details
    $12.75 - $12.75
    $12.75
    $12.75 - $12.75
    $12.75
  • 1/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
    $15.20 - $15.20
    $15.20
    $15.20 - $15.20
    $15.20

    1/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts (40 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 3/16"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grade 2Style: K...

    View full details
    $15.20 - $15.20
    $15.20
    $15.20 - $15.20
    $15.20
  • 1/4"-28 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts
    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00

    1/4"-28 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 28 (Fine)Hardness: Grade 2Style: Top...

    View full details
    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00
  • 1/4"-20 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $16.77 - $16.77
    $16.77
    $16.77 - $16.77
    $16.77

    1/4"-20 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: SteelFinish: ChromeDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Style: Nylon InsertType...

    View full details
    $16.77 - $16.77
    $16.77
    $16.77 - $16.77
    $16.77
  • 1/4"-28 Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts
    $16.77 - $16.77
    $16.77
    $16.77 - $16.77
    $16.77

    1/4"-28 Chrome Plated Steel Fine Thread Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: SteelFinish: ChromeDriver Type: 7/16" WrenchThread Size: 28 (Fine)Style: Nylon InsertType: ...

    View full details
    $16.77 - $16.77
    $16.77
    $16.77 - $16.77
    $16.77
  • 1/4"-20 316 Stainless Steel Coarse Thread Lock Nuts
    $11.88 - $11.88
    $11.88
    $11.88 - $11.88
    $11.88

    1/4"-20 316 Stainless Steel Coarse Thread Lock Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Material: Stainless SteelDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: 316Type: Lock NutBox of 20.A lock...

    View full details
    $11.88 - $11.88
    $11.88
    $11.88 - $11.88
    $11.88
  • 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
  • 1/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $10.45 - $11.29
    $10.45 - $11.29
    $10.45 - $11.29
    $10.45

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

    Monster Fastener
    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
    $10.45 - $11.29
    $10.45 - $11.29
    $10.45 - $11.29
    $10.45
  • 1/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
    $11.00 - $28.54
    $11.00 - $28.54
    $11.00 - $28.54
    $11.00

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

    Monster Fastener
    10+ in stock

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

    View full details
    $11.00 - $28.54
    $11.00 - $28.54
    $11.00 - $28.54
    $11.00
  • 1/4"-20 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74

    1/4"-20 Black Phosphate Grade 2 Nylon Insert Lock Nuts (679 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 21/64"Material: SteelFinish: Black PhosphateDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Gra...

    View full details
    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74
  • 1/4"-20 Black Phosphate Grade 2 Steel Coarse Thread Lock Nuts
    $40.18 - $40.18
    $40.18
    $40.18 - $40.18
    $40.18

    1/4"-20 Black Phosphate Grade 2 Lock Nuts (749 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: SteelFinish: Black PhosphateDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: Grad...

    View full details
    $40.18 - $40.18
    $40.18
    $40.18 - $40.18
    $40.18
  • 1/4"-20 x 19/32"Zinc Plated Steel Coarse Thread Washer Lock Nuts
    $12.51 - $12.51
    $12.51
    $12.51 - $12.51
    $12.51

    1/4"-20 x 19/32"Zinc Plated Steel Coarse Thread Washer Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 1/4"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Type: Speed NutDiameter 3:...

    View full details
    $12.51 - $12.51
    $12.51
    $12.51 - $12.51
    $12.51