Skip to content

Free shipping on orders $100 and up!

Lock Nuts

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

    5/8"-18 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts LNS-377

    Original price $10.33 - Original price $15.90
    Original price
    $10.33
    $10.33 - $15.90
    Current price $10.33

    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 $10.33 - Original price $15.90
    Original price
    $10.33
    $10.33 - $15.90
    Current price $10.33
  • 1/4"-20 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts

    1/4"-20 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts LNSS-143

    Original price $8.04 - Original price $15.87
    Original price
    $8.04 - $15.87
    $8.04 - $15.87
    Current price $8.04

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 5/16"Material: Stainless SteelDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: 18-8Style: Waxed ...

    View full details
    Original price $8.04 - Original price $15.87
    Original price
    $8.04 - $15.87
    $8.04 - $15.87
    Current price $8.04
  • 1/4"-20 Zinc Plated Grade 5 Steel Coarse Thread Flange Lock Nuts

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

    Original price $8.17 - Original price $8.17
    Original price
    $8.17
    $8.17 - $8.17
    Current price $8.17

    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 $8.17 - Original price $8.17
    Original price
    $8.17
    $8.17 - $8.17
    Current price $8.17
  • 1-1/8"-7 Zinc Plated Grade 8 Steel Coarse Thread Lock Nuts

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

    Original price $23.83 - Original price $23.83
    Original price
    $23.83
    $23.83 - $23.83
    Current price $23.83

    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 $23.83 - Original price $23.83
    Original price
    $23.83
    $23.83 - $23.83
    Current price $23.83
  • 5/8"-11 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

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

    Original price $9.23 - Original price $9.23
    Original price
    $9.23
    $9.23 - $9.23
    Current price $9.23

    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 $9.23 - Original price $9.23
    Original price
    $9.23
    $9.23 - $9.23
    Current price $9.23
  • 10mm-1.0 Zinc Plated Class 8 Steel Extra Fine Thread Nylon Insert Lock Nuts

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

    Original price $7.20 - Original price $11.45
    Original price
    $7.20 - $11.45
    $7.20 - $11.45
    Current price $7.20

    Diameter: 10mmDiameter 2: 19mmThickness: 9.9mmMaterial: SteelFinish: ZincDriver Type: #17 WrenchThread Size: 1.0mm (Extra Fine)Hardness: Class 8Sty...

    View full details
    Original price $7.20 - Original price $11.45
    Original price
    $7.20 - $11.45
    $7.20 - $11.45
    Current price $7.20
  • 9/16"-12 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts

    9/16"-12 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts LNS8-129

    Original price $9.51 - Original price $11.73
    Original price
    $9.51 - $11.73
    $9.51 - $11.73
    Current price $9.51

    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 $9.51 - Original price $11.73
    Original price
    $9.51 - $11.73
    $9.51 - $11.73
    Current price $9.51
  • 5/8"-18 Chrome Plated Steel Fine Thread Thin Pattern Lock Nuts

    5/8"-18 Chrome Plated Steel Fine Thread Thin Pattern Lock Nuts (10 pcs.)

    Original price $28.43 - Original price $28.43
    Original price
    $28.43
    $28.43 - $28.43
    Current price $28.43

    Diameter: 5/8"Diameter 2: 1-1/16"Thickness: 13/32"Material: SteelFinish: ChromeDriver Type: 15/16" WrenchThread Size: 18 (Fine)Style: Thin PatternT...

    View full details
    Original price $28.43 - Original price $28.43
    Original price
    $28.43
    $28.43 - $28.43
    Current price $28.43
  • 10mm-1.5 Zinc Plated Class 8 Steel Coarse Thread Flange Nylon Insert Lock Nuts

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

    Original price $13.59 - Original price $13.59
    Original price
    $13.59
    $13.59 - $13.59
    Current price $13.59

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

    View full details
    Original price $13.59 - Original price $13.59
    Original price
    $13.59
    $13.59 - $13.59
    Current price $13.59
  • 3/8"-24 Zinc Plated Steel Fine Thread Serrated Lock Nuts

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

    Original price $6.66 - Original price $6.66
    Original price
    $6.66
    $6.66 - $6.66
    Current price $6.66

    Diameter: 3/8"Diameter 2: 9/16"Thickness: 11/32"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Style: SerratedType: Flan...

    View full details
    Original price $6.66 - Original price $6.66
    Original price
    $6.66
    $6.66 - $6.66
    Current price $6.66
  • 1/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    1/4"-20 Zinc Grade 2 Nylon Insert Lock Nuts LKNUT-083 (10 pcs.)

    Original price $6.15 - Original price $6.15
    Original price
    $6.15
    $6.15 - $6.15
    Current price $6.15

    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
    Original price $6.15 - Original price $6.15
    Original price
    $6.15
    $6.15 - $6.15
    Current price $6.15
  • #10-32 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts

    #10-32 Zinc Grade 2 Nylon Insert Lock Nuts LKNUT-074 (10 pcs.)

    Original price $6.00 - Original price $6.00
    Original price
    $6.00
    $6.00 - $6.00
    Current price $6.00

    Diameter: #10Diameter 2: 13/32"Thickness: 3/16"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 32 (Fine)Hardness: Grade 2Style: Thi...

    View full details
    Original price $6.00 - Original price $6.00
    Original price
    $6.00
    $6.00 - $6.00
    Current price $6.00
  • 1/2"-20 Zinc Plated Grade 2 Steel Fine Thread Nylon Thin Lock Nuts

    1/2"-20 Zinc Grade 2 Nylon Thin Lock Nuts LKNUT-119 (5 pcs.)

    Original price $6.28 - Original price $6.28
    Original price
    $6.28
    $6.28 - $6.28
    Current price $6.28

    Diameter: 1/2"Diameter 2: 27/32"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: Grade 2Style: T...

    View full details
    Original price $6.28 - Original price $6.28
    Original price
    $6.28
    $6.28 - $6.28
    Current price $6.28
  • 9/16"-18 Zinc Plated Grade 2 Steel Fine Thread Nylon Insert Lock Nuts

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

    Original price $10.27 - Original price $10.27
    Original price
    $10.27
    $10.27 - $10.27
    Current price $10.27

    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 $10.27 - Original price $10.27
    Original price
    $10.27
    $10.27 - $10.27
    Current price $10.27
  • 5/16"-18 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    5/16"-18 Black Phosphate Grade 2 Nylon Insert Lock Nuts LNS-411 (452 pcs.)

    Original price $31.63 - Original price $31.63
    Original price
    $31.63
    $31.63 - $31.63
    Current price $31.63

    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 $31.63 - Original price $31.63
    Original price
    $31.63
    $31.63 - $31.63
    Current price $31.63
  • 3/8"-16 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    3/8"-16 Black Phosphate Grade 2 Nylon Insert Lock Nuts LNS-413 (286 pcs.)

    Original price $31.63 - Original price $31.63
    Original price
    $31.63
    $31.63 - $31.63
    Current price $31.63

    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 $31.63 - Original price $31.63
    Original price
    $31.63
    $31.63 - $31.63
    Current price $31.63
  • 1/2"-13 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    1/2"-13 Black Phosphate Grade 2 Nylon Insert Lock Nuts LNS-417 (117 pcs.)

    Original price $31.63 - Original price $31.63
    Original price
    $31.63
    $31.63 - $31.63
    Current price $31.63

    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 $31.63 - Original price $31.63
    Original price
    $31.63
    $31.63 - $31.63
    Current price $31.63
  • #6-32 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    #6-32 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts LNS-209

    Original price $7.04 - Original price $7.89
    Original price
    $7.04
    $7.04 - $7.89
    Current price $7.04

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

    View full details
    Original price $7.04 - Original price $7.89
    Original price
    $7.04
    $7.04 - $7.89
    Current price $7.04
  • #8-32 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    #8-32 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts LNS-218

    Original price $7.45 - Original price $8.48
    Original price
    $7.45
    $7.45 - $8.48
    Current price $7.45

    Diameter: #8Diameter 2: 3/8"Thickness: 15/64"Material: SteelFinish: ZincDriver Type: 11/32" WrenchThread Size: 32 (Coarse)Hardness: Grade 2Style: N...

    View full details
    Original price $7.45 - Original price $8.48
    Original price
    $7.45
    $7.45 - $8.48
    Current price $7.45
  • #10-24 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    #10-24 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts LNS-227

    Original price $7.88 - Original price $8.91
    Original price
    $7.88
    $7.88 - $8.91
    Current price $7.88

    Diameter: #10Diameter 2: 7/16"Thickness: 15/64"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 24 (Coarse)Hardness: Grade 2Style: N...

    View full details
    Original price $7.88 - Original price $8.91
    Original price
    $7.88
    $7.88 - $8.91
    Current price $7.88
  • 1/2"-13 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    1/2"-13 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts LNS-353

    Original price $8.70 - Original price $14.65
    Original price
    $8.70
    $8.70 - $14.65
    Current price $8.70

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

    View full details
    Original price $8.70 - Original price $14.65
    Original price
    $8.70
    $8.70 - $14.65
    Current price $8.70
  • 9/16"-12 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    9/16"-12 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts LNS-365

    Original price $9.34 - Original price $12.00
    Original price
    $9.34
    $9.34 - $12.00
    Current price $9.34

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

    View full details
    Original price $9.34 - Original price $12.00
    Original price
    $9.34
    $9.34 - $12.00
    Current price $9.34
  • 5/8"-11 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    5/8"-11 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts LNS-371

    Original price $9.80 - Original price $14.22
    Original price
    $9.80
    $9.80 - $14.22
    Current price $9.80

    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 $9.80 - Original price $14.22
    Original price
    $9.80
    $9.80 - $14.22
    Current price $9.80
  • 1"-8 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    1"-8 Zinc Plated Grade 2 Nylon Insert Lock Nuts LNS-404 (10 pcs)

    Original price $22.34 - Original price $22.34
    Original price
    $22.34
    $22.34 - $22.34
    Current price $22.34

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

    View full details
    Original price $22.34 - Original price $22.34
    Original price
    $22.34
    $22.34 - $22.34
    Current price $22.34