Skip to content
Free shipping on orders $250 and up!
Free shipping on orders $250 and up!

Products

  • 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...

    View full details
    $36.74 - $36.74
    $36.74
    $36.74 - $36.74
    $36.74
  • 3/8"-16 Chrome Plated Grade 2 / A307 Steel Coarse Thread Acorn Cap Nuts
    $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
    10+ in stock

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

    View full details
    $30.14 - $30.14
    $30.14
    $30.14 - $30.14
    $30.14
  • 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...

    View full details
    $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
    $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
    10+ in stock

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

    View full details
    $24.78 - $27.72
    $24.78 - $27.72
    $24.78 - $27.72
    $24.78
  • 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...

    View full details
    $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...

    View full details
    $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...

    View full details
    $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
    $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
    10+ in 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...

    View full details
    $21.49 - $27.72
    $21.49 - $27.72
    $21.49 - $27.72
    $21.49
  • 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...

    View full details
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • 3/8"-16 Chrome Plated Steel Coarse Thread Thin Pattern Lock Nuts
    $19.95 - $19.95
    $19.95
    $19.95 - $19.95
    $19.95

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

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 5/8"Thickness: 9/32"Material: SteelFinish: ChromeDriver Type: 5/8" WrenchThread Size: 16 (Coarse)Style: Thin PatternType:...

    View full details
    $19.95 - $19.95
    $19.95
    $19.95 - $19.95
    $19.95
  • 3/8"-16 Coarse Thread Drop-In Anchors
    Sold out
    $11.05 - $11.05
    $11.05
    $11.05 - $11.05
    $11.05

    3/8"-16 Coarse Thread Drop-In Anchors (6 pcs.)

    Monster Fastener
    Out of stock

    Diameter: 3/8"Length: 1-5/8"Material: SteelFinish: ZincDrill Size: 1/2"Thread Size: 16 (Coarse)Style: With LipType: Drop-In AnchorApplication: Conc...

    View full details
    $11.05 - $11.05
    $11.05
    $11.05 - $11.05
    $11.05
    Sold out
  • 3/8"-16 Green Rinsed Zinc Plated Grade 5 Steel Coarse Thread Hex Nuts
    $47.89 - $47.89
    $47.89
    $47.89 - $47.89
    $47.89

    3/8"-16 Green Rinsed Zinc Grade 5 Hex Nuts (633 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 21/64Material: SteelFinish: Green Rinsed ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: ...

    View full details
    $47.89 - $47.89
    $47.89
    $47.89 - $47.89
    $47.89
  • $10.23 - $125.34
    $10.23 - $125.34
    $10.23 - $125.34
    $10.23

    3/8"-16 Hot Dip Galvanized Steel Coarse Thread Finished Hex Nuts

    Monster Fastener
    10+ in stock

    Thread Diameter: 3/8"-16Thickness: 11/32"Material: Hot Dip GalvanizedWrench Size: 9/16"Thread Size: 16 (Coarse)Style: Hex  Corrosion-resistant hex ...

    View full details
    $10.23 - $125.34
    $10.23 - $125.34
    $10.23 - $125.34
    $10.23
  • 3/8"-16 Nickel Plated Steel Coarse Thread Acorn Cap Nuts
    $9.42 - $37.37
    $9.42 - $37.37
    $9.42 - $37.37
    $9.42

    3/8"-16 Nickel Plated Steel Coarse Thread Acorn Cap Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 5/8"Material: SteelFinish: NickelDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Shape: AcornType: Cap NutA closed nut ha...

    View full details
    $9.42 - $37.37
    $9.42 - $37.37
    $9.42 - $37.37
    $9.42
  • 3/8"-16 Nickel Plated Steel Coarse Thread Acorn Cap Nuts
    $10.37 - $10.37
    $10.37
    $10.37 - $10.37
    $10.37

    3/8"-16 Nickel Plated Steel Coarse Thread Acorn Cap Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 5/8"Material: SteelFinish: NickelDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Shape: AcornType: Cap NutBox of 6.A clos...

    View full details
    $10.37 - $10.37
    $10.37
    $10.37 - $10.37
    $10.37
  • 3/8"-16 Steel Coarse Thread Blind Nut Inserts
    $14.38 - $14.38
    $14.38
    $14.38 - $14.38
    $14.38

    3/8"-16 Steel Coarse Thread Blind Nut Inserts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Material: SteelThread Size: 16 (Coarse)Type: Blind Nut InsertBox of 6.A blind nut insert, also known as a rivet nut, is a one-piece i...

    View full details
    $14.38 - $14.38
    $14.38
    $14.38 - $14.38
    $14.38
  • 3/8"-16 Steel Coarse Thread Hex Speed Nuts
    $14.10 - $14.10
    $14.10
    $14.10 - $14.10
    $14.10

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

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Material: SteelThread Size: 16 (Coarse)Style: HexType: Speed NutBox of 12.

    $14.10 - $14.10
    $14.10
    $14.10 - $14.10
    $14.10
  • 3/8"-16 to 1/2"-13 x 1-1/4" Zinc Plated Steel Coarse Thread Rod Coupling Nuts
    $12.99 - $12.99
    $12.99
    $12.99 - $12.99
    $12.99

    3/8"-16 to 1/2"-13 x 1-1/4" Zinc Rod Coupling Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 1/2"Length: 1-1/4"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 16 (Coarse)Style: ReducerType: Coupli...

    View full details
    $12.99 - $12.99
    $12.99
    $12.99 - $12.99
    $12.99
  • 3/8"-16 to 1/2"-13 x 1-1/4" Zinc Plated Steel Coarse Thread Rod Coupling Nuts
    $14.78 - $14.78
    $14.78
    $14.78 - $14.78
    $14.78

    3/8"-16 to 1/2"-13 x 1-1/4" Zinc Rod Coupling Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 1/2"Length: 1-1/4"Material: SteelFinish: ZincDriver Type: 11/16" WrenchThread Size: 16 (Coarse)Style: ReducerType: Coupli...

    View full details
    $14.78 - $14.78
    $14.78
    $14.78 - $14.78
    $14.78
  • 3/8"-16 to 1/4"-20 x 1-1/8" Zinc Plated Steel Coarse Thread Coupling Nuts
    $15.82 - $15.96
    $15.82 - $15.96
    $15.82 - $15.96
    $15.82

    3/8"-16 to 1/4"-20 x 1-1/8" Zinc Plated Steel Coarse Thread Coupling Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 1-1/8"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Thread Length: 3/8-16 to 1/4-20Style: Reduc...

    View full details
    $15.82 - $15.96
    $15.82 - $15.96
    $15.82 - $15.96
    $15.82
  • 3/8"-16 x 1"
    $8.35 - $8.35
    $8.35
    $8.35 - $8.35
    $8.35

    3/8"-16 x 1" (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 1"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Thread Length: FullHardness: Grade 5Type: Cap S...

    View full details
    $8.35 - $8.35
    $8.35
    $8.35 - $8.35
    $8.35
  • 3/8"-16 x 1" Black Chrome Plated Steel Coarse Thread Button Head Socket Cap Screws
    $17.13 - $17.13
    $17.13
    $17.13 - $17.13
    $17.13

    3/8"-16 x 1" Black Chrome Button Head Socket Cap Screws (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 1"Material: SteelFinish: Black ChromeHead Style: Button (7/32 Socket)Thread Size: 16 (Coarse)Thread Length: FullType: Socket ...

    View full details
    $17.13 - $17.13
    $17.13
    $17.13 - $17.13
    $17.13
  • 3/8"-16 x 1" Black Chrome Plated Steel Coarse Thread Hex Cap Screws
    $18.95 - $18.95
    $18.95
    $18.95 - $18.95
    $18.95

    3/8"-16 x 1" Black Chrome Plated Steel Coarse Thread Hex Cap Screws (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 1"Material: SteelFinish: Black ChromeHead Style: Hex (9/16" Wrench)Thread Size: 16 (Coarse)Thread Length: FullType: Cap Screw...

    View full details
    $18.95 - $18.95
    $18.95
    $18.95 - $18.95
    $18.95
  • 3/8"-16 x 1" Black Chrome Plated Steel Coarse Thread Smooth Socket Cap Screws
    $19.20 - $19.20
    $19.20
    $19.20 - $19.20
    $19.20

    3/8"-16 x 1" Black Chrome Smooth Socket Cap Screws (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 1"Material: SteelFinish: Black ChromeHead Style: Smooth Socket (5/16" Socket)Thread Size: 16 (Coarse)Thread Length: FullType:...

    View full details
    $19.20 - $19.20
    $19.20
    $19.20 - $19.20
    $19.20