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  • 5/16"-18 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74

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

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Black PhosphateDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Gr...

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    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74
  • 5/16"-18 Brass Coarse Thread Finished Hex Nuts
    $12.79 - $12.79
    $12.79
    $12.79 - $12.79
    $12.79

    5/16"-18 Brass Coarse Thread Finished Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 9/32"Material: BrassDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Hex NutBox of 12.Hex nuts are used to secure an...

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    $12.79 - $12.79
    $12.79
    $12.79 - $12.79
    $12.79
  • 5/16"-18 Brass Coarse Thread Finished Hex Nuts
    $13.15 - $13.15
    $13.15
    $13.15 - $13.15
    $13.15

    5/16"-18 Brass Coarse Thread Finished Hex Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 9/32"Material: BrassDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Hex NutBox of 15.Hex nuts are used to secure an...

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    $13.15 - $13.15
    $13.15
    $13.15 - $13.15
    $13.15
  • 5/16"-18 Brass Coarse Thread Hex Machine Screw Nuts
    $43.44 - $43.44
    $43.44
    $43.44 - $43.44
    $43.44

    5/16"-18 Brass Coarse Thread Hex Machine Screw Nuts (100 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 7/32"Material: BrassDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Hex NutBox of 100.Hex nuts are used to secure a...

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    $43.44 - $43.44
    $43.44
    $43.44 - $43.44
    $43.44
  • 5/16"-18 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $15.42 - $15.42
    $15.42
    $15.42 - $15.42
    $15.42

    5/16"-18 Chrome Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Style: Nylon InsertTy...

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    $15.42 - $15.42
    $15.42
    $15.42 - $15.42
    $15.42
  • 5/16"-18 Chrome Plated Grade 2 / A307 Steel Coarse Thread Acorn Cap Nuts
    $27.72 - $27.72
    $27.72
    $27.72 - $27.72
    $27.72

    5/16"-18 Chrome Plated Grade 2 / A307 Steel Coarse Thread Acorn Cap Nuts

    Monster Fastener
    10+ in stock

    Box of 15.A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt. Also called an acorn nut.

    $27.72 - $27.72
    $27.72
    $27.72 - $27.72
    $27.72
  • 5/16"-18 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts
    $12.43 - $12.43
    $12.43
    $12.43 - $12.43
    $12.43

    5/16"-18 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 5Type: Hex NutBox of 1...

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    $12.43 - $12.43
    $12.43
    $12.43 - $12.43
    $12.43
  • 5/16"-18 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    5/16"-18 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 5Type: Hex NutBox of 1...

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    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • 5/16"-18 Chrome Plated Steel Coarse Thread Flange Nuts
    $10.75 - $10.75
    $10.75
    $10.75 - $10.75
    $10.75

    5/16"-18 Chrome Plated Steel Coarse Thread Flange Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 21/32"Thickness: 9/32"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Flange NutBox o...

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    $10.75 - $10.75
    $10.75
    $10.75 - $10.75
    $10.75
  • 5/16"-18 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $17.39 - $17.39
    $17.39
    $17.39 - $17.39
    $17.39

    5/16"-18 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ChromeDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Style: Nylon InsertTy...

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    $17.39 - $17.39
    $17.39
    $17.39 - $17.39
    $17.39
  • 5/16"-18 Green Rinsed Zinc Plated Grade 5 Steel Coarse Thread Hex Nuts
    $47.89 - $47.89
    $47.89
    $47.89 - $47.89
    $47.89

    5/16"-18 Green Rinsed Zinc Grade 5 Hex Nuts (904 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: Green Rinsed ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: ...

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    $47.89 - $47.89
    $47.89
    $47.89 - $47.89
    $47.89
  • 5/16"-18 Hot Dip Galvanized Steel Coarse Thread Finished Hex Nuts
    $10.14 - $31.28
    $10.14 - $31.28
    $10.14 - $31.28
    $10.14

    5/16"-18 Hot Dip Galvanized Steel Coarse Thread Finished Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 9/32"Material: SteelFinish: Hot Dip GalvanizedDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Hex NutHex nuts are u...

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    $10.14 - $31.28
    $10.14 - $31.28
    $10.14 - $31.28
    $10.14
  • 5/16"-18 Nickel Plated Steel Coarse Thread Acorn Cap Nuts
    $9.32 - $26.11
    $9.32 - $26.11
    $9.32 - $26.11
    $9.32

    5/16"-18 Nickel Plated Steel Coarse Thread Acorn Cap Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/32"Material: SteelFinish: NickelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Shape: AcornType: Cap NutA closed nut ...

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    $9.32 - $26.11
    $9.32 - $26.11
    $9.32 - $26.11
    $9.32
  • 5/16"-18 Nickel Plated Steel Coarse Thread Acorn Cap Nuts
    $10.30 - $10.30
    $10.30
    $10.30 - $10.30
    $10.30

    5/16"-18 Nickel Plated Steel Coarse Thread Acorn Cap Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/32"Material: SteelFinish: NickelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Shape: AcornType: Cap NutBox of 8.A cl...

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    $10.30 - $10.30
    $10.30
    $10.30 - $10.30
    $10.30
  • 5/16"-18 Nylon Plastic Coarse Thread Toilet Seat Nuts
    $9.64 - $10.45
    $9.64 - $10.45
    $9.64 - $10.45
    $9.64

    5/16"-18 Nylon Plastic Coarse Thread Toilet Seat Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 1/4"Material: NylonDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Hex NutHex nuts are used to secure and fasten th...

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    $9.64 - $10.45
    $9.64 - $10.45
    $9.64 - $10.45
    $9.64
  • 5/16"-18 Polished 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts
    $12.82 - $12.82
    $12.82
    $12.82 - $12.82
    $12.82

    5/16"-18 Polished 18-8 Stainless Nylon Insert Lock Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 11/32"Material: Stainless SteelFinish: PolishedDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness:...

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    $12.82 - $12.82
    $12.82
    $12.82 - $12.82
    $12.82
  • 5/16"-18 Polished 18-8 Stainless Steel Coarse Thread Acorn Nuts
    $16.23 - $16.23
    $16.23
    $16.23 - $16.23
    $16.23

    5/16"-18 Polished 18-8 Stainless Steel Coarse Thread Acorn Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 3/4"Material: Stainless SteelFinish: PolishedDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Shape: High...

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    $16.23 - $16.23
    $16.23
    $16.23 - $16.23
    $16.23
  • 5/16"-18 Polished 18-8 Stainless Steel Grade 5 Coarse Thread Hex Nuts
    $12.00 - $12.00
    $12.00
    $12.00 - $12.00
    $12.00

    5/16"-18 Polished 18-8 Stainless Steel Grade 5 Coarse Thread Hex Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: Stainless SteelFinish: PolishedDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: ...

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    $12.00 - $12.00
    $12.00
    $12.00 - $12.00
    $12.00
  • 5/16"-18 x 1"
    $8.67 - $8.67
    $8.67
    $8.67 - $8.67
    $8.67

    5/16"-18 x 1" (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 5Type: Cap S...

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    $8.67 - $8.67
    $8.67
    $8.67 - $8.67
    $8.67
  • 5/16"-18 x 1" 18-8 Stainless Steel Coarse Thread Coupling Nuts
    $14.51 - $43.93
    $14.51 - $43.93
    $14.51 - $43.93
    $14.51

    5/16"-18 x 1" 18-8 Stainless Steel Coarse Thread Coupling Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: 18-8Type: Coupling NutA coupling nut is...

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    $14.51 - $43.93
    $14.51 - $43.93
    $14.51 - $43.93
    $14.51
  • 5/16"-18 x 1/2"
    $8.30 - $8.30
    $8.30
    $8.30 - $8.30
    $8.30

    5/16"-18 x 1/2" Grade 5 Full Thread Hex Bolts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1/2"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 5Type: Cap...

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    $8.30 - $8.30
    $8.30
    $8.30 - $8.30
    $8.30
  • 5/16"-18 x 1/2" x 1-3/4" Zinc Plated Steel Coarse Thread Rod Coupling Nuts
    $12.08 - $27.42
    $12.08 - $27.42
    $12.08 - $27.42
    $12.08

    5/16"-18 x 1/2" x 1-3/4" Zinc Plated Steel Coarse Thread Rod Coupling Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 1/2"Length: 1-3/4"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Style: HexType: Coupling Nu...

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    $12.08 - $27.42
    $12.08 - $27.42
    $12.08 - $27.42
    $12.08
  • 5/16"-18 x 1/2" x 1-3/4" Zinc Plated Steel Coarse Thread Rod Coupling Nuts
    $13.44 - $13.44
    $13.44
    $13.44 - $13.44
    $13.44

    5/16"-18 x 1/2" x 1-3/4" Zinc Rod Coupling Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 1/2"Length: 1-3/4"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Style: HexType: Coupling Nu...

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    $13.44 - $13.44
    $13.44
    $13.44 - $13.44
    $13.44
  • 5/16"-18 x 2" Zinc Plated Steel Coarse Thread Snow Blower Shear Pins and Nuts
    $16.41 - $16.41
    $16.41
    $16.41 - $16.41
    $16.41

    5/16"-18 x 2" Zinc Snow Blower Shear Pins and Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 2"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Shear PinApplication: Snow BlowersBox of 6.

    $16.41 - $16.41
    $16.41
    $16.41 - $16.41
    $16.41