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Lock Nuts

Lock Nuts

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  • 1/2"-13 18-8 Stainless Steel Coarse Thread Serrated Lock Nuts
    $11.93 - $11.93
    $11.93
    $11.93 - $11.93
    $11.93

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

    Monster Fastener
    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...

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    $11.93 - $11.93
    $11.93
    $11.93 - $11.93
    $11.93
  • #10-32 18-8 Stainless Steel Fine Thread Serrated Lock Nuts
    $9.06 - $9.06
    $9.06
    $9.06 - $9.06
    $9.06

    #10-32 18-8 Stainless Steel Fine Thread Serrated Lock Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #10Diameter 2: 7/16"Thickness: 3/16"Material: Stainless SteelDriver Type: 3/8" WrenchThread Size: 32 (Fine)Hardness: 18-8Style: SerratedT...

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    $9.06 - $9.06
    $9.06
    $9.06 - $9.06
    $9.06
  • 5/16"-24 18-8 Stainless Steel Fine Thread Serrated Lock Nuts
    $10.02 - $10.02
    $10.02
    $10.02 - $10.02
    $10.02

    5/16"-24 18-8 Stainless Steel Fine Thread Serrated Lock Nuts (6 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: Serrate...

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    $10.02 - $10.02
    $10.02
    $10.02 - $10.02
    $10.02
  • #4-40 18-8 Stainless Steel Coarse Thread Keps Lock Nuts
    $10.38 - $10.38
    $10.38
    $10.38 - $10.38
    $10.38

    #4-40 18-8 Stainless Steel Coarse Thread Keps Lock Nuts (30 pcs.)

    Monster Fastener
    10+ in stock

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

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    $10.38 - $10.38
    $10.38
    $10.38 - $10.38
    $10.38
  • #6-32 18-8 Stainless Steel Coarse Thread Keps Lock Nuts
    $10.11 - $10.11
    $10.11
    $10.11 - $10.11
    $10.11

    #6-32 18-8 Stainless Steel Coarse Thread Keps Lock Nuts (25 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #6Diameter 2: 11/32"Thickness: 5/32"Material: Stainless SteelDriver Type: 5/16" WrenchThread Size: 32 (Coarse)Hardness: 18-8Style: KepTyp...

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    $10.11 - $10.11
    $10.11
    $10.11 - $10.11
    $10.11
  • #8-32 18-8 Stainless Steel Coarse Thread Keps Lock Nuts
    $9.73 - $9.73
    $9.73
    $9.73 - $9.73
    $9.73

    #8-32 18-8 Stainless Steel Coarse Thread Keps Lock Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #8Diameter 2: 3/8"Thickness: 13/32"Material: Stainless SteelDriver Type: 11/32" WrenchThread Size: 32 (Coarse)Hardness: 18-8Style: KepTyp...

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    $9.73 - $9.73
    $9.73
    $9.73 - $9.73
    $9.73
  • #10-24 18-8 Stainless Steel Coarse Thread Keps Lock Nuts
    $9.22 - $9.22
    $9.22
    $9.22 - $9.22
    $9.22

    #10-24 18-8 Stainless Steel Coarse Thread Keps Lock Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #10Diameter 2: 13/32"Thickness: 5/32"Material: Stainless SteelDriver Type: 3/8" WrenchThread Size: 24 (Coarse)Hardness: 18-8Style: KepTyp...

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    $9.22 - $9.22
    $9.22
    $9.22 - $9.22
    $9.22
  • #10-32 18-8 Stainless Steel Fine Thread Keps Lock Nuts
    $9.40 - $9.40
    $9.40
    $9.40 - $9.40
    $9.40

    #10-32 18-8 Stainless Steel Fine Thread Keps Lock Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #10Diameter 2: 13/32"Thickness: 5/32"Material: Stainless SteelDriver Type: 3/8" WrenchThread Size: 32 (Fine)Hardness: 18-8Style: KepType:...

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    $9.40 - $9.40
    $9.40
    $9.40 - $9.40
    $9.40
  • 3/8"-16 18-8 Stainless Steel Coarse Thread Keps Lock Nuts
    $12.22 - $12.22
    $12.22
    $12.22 - $12.22
    $12.22

    3/8"-16 18-8 Stainless Steel Coarse Thread Keps Lock Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 5/8"Thickness: 13/32"Material: Stainless SteelDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: 18-8Style: KepTy...

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    $12.22 - $12.22
    $12.22
    $12.22 - $12.22
    $12.22
  • 1/4"-20 18-8 Stainless Steel Coarse Thread Type C Lock Nuts
    $12.36 - $12.36
    $12.36
    $12.36 - $12.36
    $12.36

    1/4"-20 18-8 Stainless Steel Coarse Thread Type C Lock Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 7/32"Material: Stainless SteelDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Hardness: 18-8Style: Type C...

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    $12.36 - $12.36
    $12.36
    $12.36 - $12.36
    $12.36
  • 5/16"-18 18-8 Stainless Steel Coarse Thread Type C Lock Nuts
    $12.63 - $12.63
    $12.63
    $12.63 - $12.63
    $12.63

    5/16"-18 18-8 Stainless Steel Coarse Thread Type C Lock Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

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

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    $12.63 - $12.63
    $12.63
    $12.63 - $12.63
    $12.63
  • 3/8"-16 18-8 Stainless Steel Coarse Thread Type C Lock Nuts
    $13.47 - $13.47
    $13.47
    $13.47 - $13.47
    $13.47

    3/8"-16 18-8 Stainless Steel Coarse Thread Type C Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

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

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    $13.47 - $13.47
    $13.47
    $13.47 - $13.47
    $13.47
  • 1/2"-13 18-8 Stainless Steel Coarse Thread Type C Lock Nuts
    $16.00 - $16.00
    $16.00
    $16.00 - $16.00
    $16.00

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

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Diameter 2: 27/32"Thickness: 7/16"Material: Stainless SteelDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Hardness: 18-8Style: Type ...

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    $16.00 - $16.00
    $16.00
    $16.00 - $16.00
    $16.00
  • 5/8"-11 18-8 Stainless Steel Coarse Thread Type C Lock Nuts
    $19.40 - $19.40
    $19.40
    $19.40 - $19.40
    $19.40

    5/8"-11 18-8 Stainless Steel Coarse Thread Type C Lock Nuts (5 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: 11 (Coarse)Hardness: 18-8Style: Ty...

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    $19.40 - $19.40
    $19.40
    $19.40 - $19.40
    $19.40
  • 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
    $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
    10+ in 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
  • 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
  • #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 LNSS-119 (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
  • 5/16"-24 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $11.77 - $11.77
    $11.77
    $11.77 - $11.77
    $11.77

    5/16"-24 18-8 Stainless Nylon Insert Lock Nuts LNSS-152 (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: 18-8Style: Waxed ...

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    $11.77 - $11.77
    $11.77
    $11.77 - $11.77
    $11.77
  • 3/8"-24 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $13.29 - $13.29
    $13.29
    $13.29 - $13.29
    $13.29

    3/8"-24 18-8 Stainless Nylon Insert Lock Nuts LNSS-161 (12 pcs.)

    Monster Fastener
    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...

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    $13.29 - $13.29
    $13.29
    $13.29 - $13.29
    $13.29
  • 7/16"-20 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99

    7/16"-20 18-8 Stainless Nylon Insert Lock Nuts LNSS-167 (8 pcs.)

    Monster Fastener
    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...

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    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99
  • 1/2"-20 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $13.59 - $13.59
    $13.59
    $13.59 - $13.59
    $13.59

    1/2"-20 18-8 Stainless Nylon Insert Lock Nuts LNSS-176 (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Diameter 2: 7/8"Thickness: 19/32"Material: Stainless SteelDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Waxed Ny...

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    $13.59 - $13.59
    $13.59
    $13.59 - $13.59
    $13.59
  • 5/8"-18 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $14.72 - $14.72
    $14.72
    $14.72 - $14.72
    $14.72

    5/8"-18 18-8 Stainless Nylon Insert Lock Nuts LNSS-182 (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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    $14.72 - $14.72
    $14.72
    $14.72 - $14.72
    $14.72
  • 3/4"-16 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $14.14 - $14.14
    $14.14
    $14.14 - $14.14
    $14.14

    3/4"-16 18-8 Stainless Nylon Insert Lock Nuts LNSS-188 (2 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Diameter 2: 1-7/32"Thickness: 7/8"Material: Stainless SteelDriver Type: 1-1/8" WrenchThread Size: 16 (Fine)Hardness: 18-8Style: Waxed...

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    $14.14 - $14.14
    $14.14
    $14.14 - $14.14
    $14.14
  • 7/8"-9 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
    $25.33 - $25.33
    $25.33
    $25.33 - $25.33
    $25.33

    7/8"-9 18-8 Stainless Nylon Insert Lock Nuts LNSS-191 (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/8"Diameter 2: 1-7/16"Thickness: 1"Material: Stainless SteelDriver Type: 1-5/16" WrenchThread Size: 9 (Coarse)Hardness: 18-8Style: Waxed...

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    $25.33 - $25.33
    $25.33
    $25.33 - $25.33
    $25.33
  • 1"-8 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
    $20.66 - $20.66
    $20.66
    $20.66 - $20.66
    $20.66

    1"-8 18-8 Stainless Nylon Insert Lock Nuts LNSS-194 (2 pcs.)

    Monster Fastener
    10+ in stock

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

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    $20.66 - $20.66
    $20.66
    $20.66 - $20.66
    $20.66
  • #10-32 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $10.28 - $10.28
    $10.28
    $10.28 - $10.28
    $10.28

    #10-32 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #10Diameter 2: 7/16"Thickness: 1/4"Material: Stainless SteelDriver Type: 3/8" WrenchThread Size: 32 (Fine)Hardness: 18-8Style: Waxed Nylo...

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    $10.28 - $10.28
    $10.28
    $10.28 - $10.28
    $10.28
  • 5/16"-24 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $12.27 - $12.27
    $12.27
    $12.27 - $12.27
    $12.27

    5/16"-24 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 24 (Fine)Hardness: 18-8Style: Waxed ...

    View full details
    $12.27 - $12.27
    $12.27
    $12.27 - $12.27
    $12.27
  • 3/8"-24 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $15.10 - $15.10
    $15.10
    $15.10 - $15.10
    $15.10

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

    Monster Fastener
    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
    $15.10 - $15.10
    $15.10
    $15.10 - $15.10
    $15.10
  • 7/16"-20 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $13.48 - $13.48
    $13.48
    $13.48 - $13.48
    $13.48

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

    Monster Fastener
    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
    $13.48 - $13.48
    $13.48
    $13.48 - $13.48
    $13.48
  • 1/2"-20 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts
    $16.52 - $16.52
    $16.52
    $16.52 - $16.52
    $16.52

    1/2"-20 18-8 Stainless Steel Fine Thread Nylon Insert Lock Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Diameter 2: 7/8"Thickness: 19/32"Material: Stainless SteelDriver Type: 3/4" WrenchThread Size: 20 (Fine)Hardness: 18-8Style: Waxed Ny...

    View full details
    $16.52 - $16.52
    $16.52
    $16.52 - $16.52
    $16.52
  • 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...

    View full details
    $16.73 - $16.73
    $16.73
    $16.73 - $16.73
    $16.73