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

Hex Nuts

  • $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

    Diameter: 3/8"Thickness: 11/32"Material: SteelFinish: Hot Dip GalvanizedDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Type: Hex NutHex nuts are ...

    View full details
    $10.23 - $125.34
    $10.23 - $125.34
    $10.23 - $125.34
    $10.23
  • 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
    Only 1 left!

    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...

    View full details
    $15.98 - $53.81
    $15.98 - $53.81
    $15.98 - $53.81
    $15.98
  • 3/8"-16 Nylon Plastic Coarse Thread Hex Nuts
    $10.69 - $10.69
    $10.69
    $10.69 - $10.69
    $10.69

    3/8"-16 Nylon Plastic Coarse Thread Hex Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 11/32"Material: NylonDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Type: Hex NutBox of 15.Hex nuts are used to secure a...

    View full details
    $10.69 - $10.69
    $10.69
    $10.69 - $10.69
    $10.69
  • 3/8"-16 Zinc Plated Grade 5 Steel Coarse Thread Hex Nuts
    $9.85 - $13.16
    $9.85 - $13.16
    $9.85 - $13.16
    $9.85

    3/8"-16 Zinc Plated Grade 5 Steel Coarse Thread Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Grade 5Type:...

    View full details
    $9.85 - $13.16
    $9.85 - $13.16
    $9.85 - $13.16
    $9.85
  • 3/8"-24 Plain Steel Fine Thread Left Hand Hex Nuts
    $9.56 - $9.56
    $9.56
    $9.56 - $9.56
    $9.56

    3/8"-24 Plain Steel Fine Thread Left Hand Hex Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 21/64"Material: SteelFinish: PlainDriver Type: 9/16" WrenchThread Size: 24 (Fine)Style: Left Hand ThreadType: Hex NutBox o...

    View full details
    $9.56 - $9.56
    $9.56
    $9.56 - $9.56
    $9.56
  • 5/16"-18 Silicon Bronze Coarse Thread Hex Nuts
    $11.87 - $11.87
    $11.87
    $11.87 - $11.87
    $11.87

    5/16"-18 Silicon Bronze Coarse Thread Hex Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 7/32"Material: Silicon BronzeDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Type: Hex NutBox of 6.Hex nuts are used to ...

    View full details
    $11.87 - $11.87
    $11.87
    $11.87 - $11.87
    $11.87
  • 7/16"-20 Brass Fine Thread Finished Hex Nuts
    $15.07 - $15.07
    $15.07
    $15.07 - $15.07
    $15.07

    7/16"-20 Brass Fine Thread Finished Hex Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Thickness: 3/8"Material: BrassDriver Type: 9/16" WrenchThread Size: 20 (Fine)Type: Hex NutApplication: ManifoldBox of 8.Hex nuts are...

    View full details
    $15.07 - $15.07
    $15.07
    $15.07 - $15.07
    $15.07
  • 3/8"-16 Zinc Plated Grade 8 Steel Coarse Thread Hex Nuts
    $11.69 - $29.51
    $11.69 - $29.51
    $11.69 - $29.51
    $11.69

    3/8"-16 Zinc Plated Grade 8 Steel Coarse Thread Hex Nuts

    Monster Fastener
    10+ in stock

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

    View full details
    $11.69 - $29.51
    $11.69 - $29.51
    $11.69 - $29.51
    $11.69
  • 3/8"-24 Zinc Plated Grade 8 Steel Fine Thread Hex Nuts
    $11.91 - $13.31
    $11.91 - $13.31
    $11.91 - $13.31
    $11.91

    3/8"-24 Zinc Plated Grade 8 Steel Fine Thread Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 21/64"Material: SteelFinish: Yellow ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: Grade 8...

    View full details
    $11.91 - $13.31
    $11.91 - $13.31
    $11.91 - $13.31
    $11.91
  • 5/16"-18 Zinc Plated Steel Coarse Thread Square Nuts
    $9.74 - $9.74
    $9.74
    $9.74 - $9.74
    $9.74

    5/16"-18 Zinc Plated Steel Coarse Thread Square Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Type: Square NutBox of 20.A square nut ...

    View full details
    $9.74 - $9.74
    $9.74
    $9.74 - $9.74
    $9.74
  • 3/8"-24 Chrome Plated Grade 5 Steel Fine Thread Hex Nuts
    $13.00 - $13.00
    $13.00
    $13.00 - $13.00
    $13.00

    3/8"-24 Chrome Plated Grade 5 Steel Fine Thread Hex Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 21/64"Material: SteelFinish: ChromeDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: Grade 5Type: Hex NutBox of 10....

    View full details
    $13.00 - $13.00
    $13.00
    $13.00 - $13.00
    $13.00
  • 3/8"-16 18-8 Stainless Steel Coarse Thread Hex Nuts
    $9.68 - $11.95
    $9.68 - $11.95
    $9.68 - $11.95
    $9.68

    3/8"-16 18-8 Stainless Steel Coarse Thread Hex Nuts

    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: 18-8Type: Hex Nu...

    View full details
    $9.68 - $11.95
    $9.68 - $11.95
    $9.68 - $11.95
    $9.68
  • 3/8"-16 Zinc Plated Grade 2 Steel Coarse Thread Finished Hex Nuts
    $10.06 - $86.27
    $10.06 - $86.27
    $10.06 - $86.27
    $10.06

    3/8"-16 Zinc Plated Grade 2 Steel Coarse Thread Finished Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: Grade 2Type: Hex NutHex nuts a...

    View full details
    $10.06 - $86.27
    $10.06 - $86.27
    $10.06 - $86.27
    $10.06
  • 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...

    View full details
    $60.54 - $60.54
    $60.54
    $60.54 - $60.54
    $60.54
  • 3/8"-24 Zinc Plated Grade 5 Steel Fine Thread Hex Nuts
    $9.99 - $13.53
    $9.99 - $13.53
    $9.99 - $13.53
    $9.99

    3/8"-24 Zinc Plated Grade 5 Steel Fine Thread Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 21/32"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: Grade 5Type: H...

    View full details
    $9.99 - $13.53
    $9.99 - $13.53
    $9.99 - $13.53
    $9.99
  • 3/8"-16 Polished 18-8 Stainless Steel Grade 5 Coarse Thread Hex Nuts
    $11.23 - $11.23
    $11.23
    $11.23 - $11.23
    $11.23

    3/8"-16 Polished 18-8 Stainless Steel Grade 5 Coarse Thread Hex Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 5/8"Thickness: 11/32"Material: Stainless SteelFinish: PolishedDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Hardness: ...

    View full details
    $11.23 - $11.23
    $11.23
    $11.23 - $11.23
    $11.23
  • 3/8"-24 Polished 18-8 Stainless Steel Grade 5 Fine Thread Hex Nuts
    $11.14 - $11.14
    $11.14
    $11.14 - $11.14
    $11.14

    3/8"-24 Polished 18-8 Stainless Steel Grade 5 Fine Thread Hex Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 5/8"Thickness: 11/32"Material: Stainless SteelFinish: PolishedDriver Type: 9/16" WrenchThread Size: 24 (Fine)Hardness: 18...

    View full details
    $11.14 - $11.14
    $11.14
    $11.14 - $11.14
    $11.14
  • 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...

    View full details
    $11.23 - $11.23
    $11.23
    $11.23 - $11.23
    $11.23
  • 3/8"-16 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts
    $9.45 - $9.45
    $9.45
    $9.45 - $9.45
    $9.45

    3/8"-16 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 21/64"Material: SteelFinish: Yellow ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Style: Left Hand ThreadType: Hex ...

    View full details
    $9.45 - $9.45
    $9.45
    $9.45 - $9.45
    $9.45
  • 3/8"-24 Zinc Plated Steel Fine Thread Castle Hex Nuts
    $15.04 - $15.04
    $15.04
    $15.04 - $15.04
    $15.04

    3/8"-24 Zinc Plated Steel Fine Thread Castle Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 13/32"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 24 (Fine)Type: Castle NutUnslotted Thickness and He...

    View full details
    $15.04 - $15.04
    $15.04
    $15.04 - $15.04
    $15.04
  • 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...

    View full details
    $12.08 - $12.08
    $12.08
    $12.08 - $12.08
    $12.08
  • 3/8"-16 Zinc Plated Steel Coarse Thread Slotted Hex Nuts
    $12.42 - $12.42
    $12.42
    $12.42 - $12.42
    $12.42

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

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Type: Slotted NutUnslotted Thickness: 13...

    View full details
    $12.42 - $12.42
    $12.42
    $12.42 - $12.42
    $12.42
  • 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 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts
    $13.28 - $13.28
    $13.28
    $13.28 - $13.28
    $13.28

    3/8"-16 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 21/64"Material: SteelFinish: Yellow ZincDriver Type: 9/16" WrenchThread Size: 16 (Coarse)Style: Left Hand ThreadType: Hex ...

    View full details
    $13.28 - $13.28
    $13.28
    $13.28 - $13.28
    $13.28