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Free shipping on orders $250 and up!

Lock Nuts

  • 5/8"-18 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts
    $16.45 - $16.45
    $16.45
    $16.45 - $16.45
    $16.45

    5/8"-18 Zinc Plated Grade 2 Steel Fine Thread Top Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-7/32"Thickness: 35/64"Material: SteelFinish: ZincDriver Type: 15/16" WrenchThread Size: 18 (Fine)Hardness: Grade 2Style...

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    $16.45 - $16.45
    $16.45
    $16.45 - $16.45
    $16.45
  • 5/8"-18 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $16.73 - $16.73
    $16.73
    $16.73 - $16.73
    $16.73

    5/8"-18 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-3/32"Thickness: 25/32"Material: Stainless SteelDriver Type: 15/16" WrenchThread Size: 18 (Fine)Hardness: 18-8Style: Wax...

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    $16.73 - $16.73
    $16.73
    $16.73 - $16.73
    $16.73
  • 5/8"-11 18-8 Stainless Steel Coarse Thread Lock Nuts
    $14.97 - $14.97
    $14.97
    $14.97 - $14.97
    $14.97

    5/8"-11 18-8 Stainless Steel Coarse Thread Lock Nuts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-3/32"Thickness: 25/32Material: Stainless SteelDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: 18-8Style: Wa...

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    $14.97 - $14.97
    $14.97
    $14.97 - $14.97
    $14.97
  • 5/8"-11 316 Stainless Steel Coarse Thread Lock Nuts
    $10.66 - $10.66
    $10.66
    $10.66 - $10.66
    $10.66

    5/8"-11 316 Stainless Steel Coarse Thread Lock Nuts (2 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-1/16"Material: Stainless SteelDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: 316Type: Lock NutBox of 2.A l...

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    $10.66 - $10.66
    $10.66
    $10.66 - $10.66
    $10.66
  • 5/8"-18 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts
    $10.49 - $22.45
    $10.49 - $22.45
    $10.49 - $22.45
    $10.49

    5/8"-18 Zinc Plated Grade 8 Steel Fine Thread Nylon Insert Lock Nuts LNS8-135

    Monster Fastener
    10+ in stock

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

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    $10.49 - $22.45
    $10.49 - $22.45
    $10.49 - $22.45
    $10.49
  • 5/8"-11 18-8 Stainless Steel Coarse Thread Lock Nuts
    $13.49 - $17.15
    $13.49 - $17.15
    $13.49 - $17.15
    $13.49

    5/8"-11 18-8 Stainless Steel Coarse Thread Lock Nuts LNSS-179

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-3/32"Thickness: 25/32Material: Stainless SteelDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness: 18-8Style: Wa...

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    $13.49 - $17.15
    $13.49 - $17.15
    $13.49 - $17.15
    $13.49
  • 5/8"-11 Black Phosphate Grade 2 Steel Coarse Thread Lock Nuts
    $40.18 - $40.18
    $40.18
    $40.18 - $40.18
    $40.18

    5/8"-11 Black Phosphate Grade 2 Lock Nuts LNS-419 (74 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Diameter 2: 1-7/32"Thickness: 35/64"Material: SteelFinish: Black PhosphateDriver Type: 15/16" WrenchThread Size: 11 (Coarse)Hardness:...

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    $40.18 - $40.18
    $40.18
    $40.18 - $40.18
    $40.18