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  • 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
  • 3/8"-16 316 Stainless Steel Coarse Thread Hex Nuts
    $10.92 - $10.92
    $10.92
    $10.92 - $10.92
    $10.92

    3/8"-16 316 Stainless Steel Coarse Thread Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 5/8"Thickness: 21/64"Material: Stainless SteelDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: 316Type: Hex Nut...

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    $10.92 - $10.92
    $10.92
    $10.92 - $10.92
    $10.92
  • 3/8"-16 316 Stainless Steel Coarse Thread Lock Nuts
    $11.39 - $11.39
    $11.39
    $11.39 - $11.39
    $11.39

    3/8"-16 316 Stainless Steel Coarse Thread Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 5/8"Material: Stainless SteelDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: 316Type: Lock NutBox of 10.A lock...

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    $11.39 - $11.39
    $11.39
    $11.39 - $11.39
    $11.39
  • 3/8"-16 Black Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $12.75 - $12.75
    $12.75
    $12.75 - $12.75
    $12.75

    3/8"-16 Black Chrome Nylon Insert Lock Nuts (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Black ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Style: Nylon I...

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    $12.75 - $12.75
    $12.75
    $12.75 - $12.75
    $12.75
  • 3/8"-16 Black Chrome Plated Steel Coarse Thread Acorn Nuts
    $16.03 - $16.03
    $16.03
    $16.03 - $16.03
    $16.03

    3/8"-16 Black Chrome Plated Steel Coarse Thread Acorn Nuts (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 1/2"Material: SteelFinish: Black ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Shape: AcornType: Cap NutBox of 5....

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    $16.03 - $16.03
    $16.03
    $16.03 - $16.03
    $16.03
  • 3/8"-16 Black Chrome Plated Steel Grade 5 Coarse Thread Hex Nuts
    $11.23 - $11.23
    $11.23
    $11.23 - $11.23
    $11.23

    3/8"-16 Black Chrome Plated Steel Grade 5 Coarse Thread Hex Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 11/32"Material: SteelFinish: Black ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Type: Hex NutBox of 6.Hex nuts a...

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    $11.23 - $11.23
    $11.23
    $11.23 - $11.23
    $11.23
  • 3/8"-16 Black Phosphate Coarse Thread Extruded Long U Nuts
    $32.70 - $32.70
    $32.70
    $32.70 - $32.70
    $32.70

    3/8"-16 Black Phosphate Coarse Thread Extruded Long U Nuts (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Material: PhosphateThread Size: 16 (Coarse)Style: Long UType: Speed NutBox of 16.

    $32.70 - $32.70
    $32.70
    $32.70 - $32.70
    $32.70
  • 3/8"-16 Black Phosphate Coarse Thread Extruded Long U Nuts
    $12.76 - $12.76
    $12.76
    $12.76 - $12.76
    $12.76

    3/8"-16 Black Phosphate Coarse Thread Extruded Long U Nuts (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Material: PhosphateThread Size: 16 (Coarse)Style: Long UType: Speed NutBox of 5.

    $12.76 - $12.76
    $12.76
    $12.76 - $12.76
    $12.76
  • 3/8"-16 Black Phosphate Coarse Thread Extruded Regular U Nuts
    $21.78 - $21.78
    $21.78
    $21.78 - $21.78
    $21.78

    3/8"-16 Black Phosphate Coarse Thread Extruded Regular U Nuts (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Material: PhosphateThread Size: 16 (Coarse)Style: Regular UType: Speed NutBox of 16.

    $21.78 - $21.78
    $21.78
    $21.78 - $21.78
    $21.78
  • 3/8"-16 Black Phosphate Coarse Thread Extruded Regular U Nuts
    $12.78 - $12.78
    $12.78
    $12.78 - $12.78
    $12.78

    3/8"-16 Black Phosphate Extruded Regular U Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Material: PhosphateThread Size: 16 (Coarse)Style: Regular UType: Speed NutBox of 8.

    $12.78 - $12.78
    $12.78
    $12.78 - $12.78
    $12.78
  • 3/8"-16 Black Phosphate Grade 2 Steel Coarse Thread Lock Nuts
    $40.18 - $40.18
    $40.18
    $40.18 - $40.18
    $40.18

    3/8"-16 Black Phosphate Grade 2 Lock Nuts (352 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 21/64"Material: SteelFinish: Black PhosphateDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: G...

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    $40.18 - $40.18
    $40.18
    $40.18 - $40.18
    $40.18
  • 3/8"-16 Black Phosphate Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74

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

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: Black PhosphateDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: G...

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    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74
  • 3/8"-16 Brass Coarse Thread Finished Hex Nuts
    $12.08 - $12.08
    $12.08
    $12.08 - $12.08
    $12.08

    3/8"-16 Brass Coarse Thread Finished Hex Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 11/32"Material: BrassDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Type: Hex NutBox of 10.Hex nuts are used to secure a...

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    $12.08 - $12.08
    $12.08
    $12.08 - $12.08
    $12.08
  • 3/8"-16 Brass Coarse Thread Hex Machine Screw Nuts
    $60.54 - $60.54
    $60.54
    $60.54 - $60.54
    $60.54

    3/8"-16 Brass Coarse Thread Hex Machine Screw Nuts (100 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 1/4"Material: BrassDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Type: Hex NutBox of 100.Hex nuts are used to secure an...

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    $60.54 - $60.54
    $60.54
    $60.54 - $60.54
    $60.54
  • 3/8"-16 Brass Coarse Thread Manifold Nuts
    $15.98 - $53.81
    $15.98 - $53.81
    $15.98 - $53.81
    $15.98

    3/8"-16 Brass Coarse Thread Manifold Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Material: BrassDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Type: Wing NutApplication: ChevyA wing nut has a pair of wings to ena...

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    $15.98 - $53.81
    $15.98 - $53.81
    $15.98 - $53.81
    $15.98
  • 3/8"-16 Cast Zinc Coarse Thread Breakaway Nuts
    $25.46 - $25.46
    $25.46
    $25.46 - $25.46
    $25.46

    3/8"-16 Cast Zinc Coarse Thread Breakaway Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Material: ZincDriver Type: 3/4" DriverThread Size: 16 (Coarse)Style: BreakawayType: Security NutBox of 6.

    $25.46 - $25.46
    $25.46
    $25.46 - $25.46
    $25.46
  • 3/8"-16 Chrome Plated Grade 2 / A307 Steel Coarse Thread Acorn Cap Nuts
    Sold out
    $30.14 - $30.14
    $30.14
    $30.14 - $30.14
    $30.14

    3/8"-16 Chrome Grade 2 / A307 Acorn Cap Nuts (10 pcs.)

    Monster Fastener
    Out of stock

    Diameter: 3/8"Thickness: 27/32"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Shape: High Crown AcornHardness: Grade...

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    $30.14 - $30.14
    $30.14
    $30.14 - $30.14
    $30.14
    Sold out
  • 3/8"-16 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99

    3/8"-16 Chrome Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Style: Nylon InsertT...

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    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
  • 3/8"-16 Chrome Plated Grade 2 / A307 Steel Coarse Thread Acorn Cap Nuts
    Sold out
    $24.78 - $27.72
    $24.78 - $27.72
    $24.78 - $27.72
    $24.78

    3/8"-16 Chrome Plated Grade 2 / A307 Steel Coarse Thread Acorn Cap Nuts

    Monster Fastener
    Out of stock

    Diameter: 3/8"Thickness: 27/32"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Shape: High Crown AcornHardness: Grade...

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    $24.78 - $27.72
    $24.78 - $27.72
    $24.78 - $27.72
    $24.78
    Sold out
  • 3/8"-16 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts
    $13.09 - $13.09
    $13.09
    $13.09 - $13.09
    $13.09

    3/8"-16 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 21/64"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Grade 5Type: Hex NutBox of 1...

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    $13.09 - $13.09
    $13.09
    $13.09 - $13.09
    $13.09
  • 3/8"-16 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts
    $16.03 - $16.03
    $16.03
    $16.03 - $16.03
    $16.03

    3/8"-16 Chrome Plated Grade 5 Steel Coarse Thread Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 21/64"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Grade 5Type: Hex NutBox of 1...

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    $16.03 - $16.03
    $16.03
    $16.03 - $16.03
    $16.03
  • 3/8"-16 Chrome Plated Steel Coarse Thread Flange Nuts
    $10.50 - $10.50
    $10.50
    $10.50 - $10.50
    $10.50

    3/8"-16 Chrome Plated Steel Coarse Thread Flange Nuts (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 3/4"Thickness: 11/32"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Type: Flange NutBox of...

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    $10.50 - $10.50
    $10.50
    $10.50 - $10.50
    $10.50
  • 3/8"-16 Chrome Plated Steel Coarse Thread Flat Head Acorn Cap Nuts
    Sold out
    $21.49 - $27.72
    $21.49 - $27.72
    $21.49 - $27.72
    $21.49

    3/8"-16 Chrome Plated Steel Coarse Thread Flat Head Acorn Cap Nuts

    Monster Fastener
    Out of stock

    Diameter: 3/8"Thickness: 5/8"Material: SteelFinish: ChromeHead Style: Flat (9/16" Wrench)Thread Size: 16 (Coarse)Shape: Flat Head AcornType: Cap Nu...

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    $21.49 - $27.72
    $21.49 - $27.72
    $21.49 - $27.72
    $21.49
    Sold out
  • 3/8"-16 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    3/8"-16 Chrome Plated Steel Coarse Thread Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 15/32"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Style: Nylon InsertT...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89