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

Hex Nuts

Filters

$
$
  • 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 MNB-072

    Monster Fastener
    Only 7 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 MSNN-055 (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
  • #8-32 Black Oxide Steel Coarse Thread Hex Nuts
    $8.49 - $8.49
    $8.49
    $8.49 - $8.49
    $8.49

    #8-32 Black Oxide Steel Coarse Thread Hex Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #8Thickness: 1/8"Material: SteelFinish: Black OxideDriver Type: 7/16" WrenchThread Size: 32 (Coarse)Type: Hex NutBox of 20.Hex nuts are u...

    View full details
    $8.49 - $8.49
    $8.49
    $8.49 - $8.49
    $8.49
  • 3/8"-24 Brass Fine Thread Finished Hex Nuts
    $10.87 - $10.87
    $10.87
    $10.87 - $10.87
    $10.87

    3/8"-24 Brass Fine Thread Finished Hex Nuts HNB-076 (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Material: BrassThread Size: 24 (Fine)Type: Hex NutBox of 8.Hex nuts are used to secure and fasten the threaded portion of most machin...

    View full details
    $10.87 - $10.87
    $10.87
    $10.87 - $10.87
    $10.87
  • 1/4"-20 Nylon Plastic Coarse Thread Hex Nuts
    $12.97 - $13.69
    $12.97 - $13.69
    $12.97 - $13.69
    $12.97

    1/4"-20 Nylon Plastic Coarse Thread Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Thickness: 7/32"Material: NylonDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Type: Hex NutHex nuts are used to secure and fasten t...

    View full details
    $12.97 - $13.69
    $12.97 - $13.69
    $12.97 - $13.69
    $12.97
  • 5/8"-18 Plain Steel Fine Thread Left Hand Hex Nuts
    $11.91 - $11.91
    $11.91
    $11.91 - $11.91
    $11.91

    5/8"-18 Plain Steel Fine Thread Left Hand Hex Nuts HNS-281 (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/8"Thickness: 35/64"Material: SteelFinish: PlainDriver Type: 15/16" WrenchThread Size: 18 (Fine)Style: Left Hand ThreadType: Hex NutBox ...

    View full details
    $11.91 - $11.91
    $11.91
    $11.91 - $11.91
    $11.91
  • 9/16"-18 Plain Steel Fine Thread Left Hand Hex Nuts
    $12.00 - $12.00
    $12.00
    $12.00 - $12.00
    $12.00

    9/16"-18 Plain Steel Fine Thread Left Hand Hex Nuts HNS-263 (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 9/16"Thickness: 31/64"Material: SteelFinish: PlainDriver Type: 13/16" WrenchThread Size: 18 (Fine)Style: Left Hand ThreadType: Hex NutBox...

    View full details
    $12.00 - $12.00
    $12.00
    $12.00 - $12.00
    $12.00
  • 1/2"-20 Plain Steel Fine Thread Left Hand Hex Nuts
    $14.17 - $14.17
    $14.17
    $14.17 - $14.17
    $14.17

    1/2"-20 Plain Steel Fine Thread Left Hand Hex Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Thickness: 7/16"Material: SteelFinish: PlainDriver Type: 3/4" WrenchThread Size: 20 (Fine)Style: Left Hand ThreadType: Hex NutBox of ...

    View full details
    $14.17 - $14.17
    $14.17
    $14.17 - $14.17
    $14.17
  • 3/8"-16 Zinc Plated Steel Coarse Thread Square Nuts
    $9.71 - $10.56
    $9.71 - $10.56
    $9.71 - $10.56
    $9.71

    3/8"-16 Zinc Plated Steel Coarse Thread Square Nuts SQRNT-050

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Thickness: 21/64"Material: SteelFinish: ZincDriver Type: 5/8" WrenchThread Size: 16 (Coarse)Type: Square NutA square nut is a four-si...

    View full details
    $9.71 - $10.56
    $9.71 - $10.56
    $9.71 - $10.56
    $9.71
  • 7/16"-20 Plain Steel Fine Thread Left Hand Hex Nuts
    $10.02 - $10.02
    $10.02
    $10.02 - $10.02
    $10.02

    7/16"-20 Plain Steel Fine Thread Left Hand Hex Nuts HNS-230 (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Thickness: 3/8"Material: SteelFinish: PlainDriver Type: 5/8" WrenchThread Size: 20 (Fine)Style: Left Hand ThreadType: Hex NutBox of ...

    View full details
    $10.02 - $10.02
    $10.02
    $10.02 - $10.02
    $10.02
  • 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 HNS-212 (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
  • 3/4"-10 Zinc Plated Steel Coarse Thread Square Nuts
    $16.91 - $16.91
    $16.91
    $16.91 - $16.91
    $16.91

    3/4"-10 Zinc Plated Steel Coarse Thread Square Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Thickness: 21/32"Material: SteelFinish: ZincDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Type: Square NutBox of 10.A square nut ...

    View full details
    $16.91 - $16.91
    $16.91
    $16.91 - $16.91
    $16.91
  • 1/4"-20 Black Chrome Plated Steel Grade 5 Coarse Thread Hex Nuts
    $12.82 - $12.82
    $12.82
    $12.82 - $12.82
    $12.82

    1/4"-20 Black Chrome Plated Steel Grade 5 Coarse Thread Hex Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Thickness: 3/16"Material: SteelFinish: Black ChromeDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Type: Hex NutBox of 10.Hex nuts a...

    View full details
    $12.82 - $12.82
    $12.82
    $12.82 - $12.82
    $12.82
  • 1/4"-20 Silicon Bronze Coarse Thread Hex Nuts
    $11.50 - $11.50
    $11.50
    $11.50 - $11.50
    $11.50

    1/4"-20 Silicon Bronze Coarse Thread Hex Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Thickness: 7/32"Material: Silicon BronzeDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Type: Hex NutBox of 8.Hex nuts are used to s...

    View full details
    $11.50 - $11.50
    $11.50
    $11.50 - $11.50
    $11.50
  • 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
  • 3/4"-10 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts
    $13.26 - $13.26
    $13.26
    $13.26 - $13.26
    $13.26

    3/4"-10 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts HNS-296 (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Thickness: 41/64"Material: SteelFinish: Yellow ZincDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Style: Left Hand ThreadType: Hex...

    View full details
    $13.26 - $13.26
    $13.26
    $13.26 - $13.26
    $13.26
  • 1/4"-20 Zinc Plated Steel Coarse Thread Square Nuts
    $9.94 - $9.94
    $9.94
    $9.94 - $9.94
    $9.94

    1/4"-20 Zinc Plated Steel Coarse Thread Square Nuts SQRNT-044 (30 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Thickness: 7/32"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Type: Square NutBox of 30.A square nut is...

    View full details
    $9.94 - $9.94
    $9.94
    $9.94 - $9.94
    $9.94
  • 7/16"-14 Zinc Plated Steel Coarse Thread Square Nuts
    $9.68 - $9.68
    $9.68
    $9.68 - $9.68
    $9.68

    7/16"-14 Zinc Plated Steel Coarse Thread Square Nuts SQRNT-053 (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 14 (Coarse)Type: Square NutBox of 10.A square nut is ...

    View full details
    $9.68 - $9.68
    $9.68
    $9.68 - $9.68
    $9.68
  • 1"-8 Zinc Plated Steel Coarse Thread Square Nuts
    $12.52 - $12.52
    $12.52
    $12.52 - $12.52
    $12.52

    1"-8 Zinc Plated Steel Coarse Thread Square Nuts SQRNT-068 (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1"Thickness: 7/8"Material: SteelFinish: ZincDriver Type: 1-1/2" WrenchThread Size: 8 (Coarse)Type: Square NutBox of 3.A square nut is a f...

    View full details
    $12.52 - $12.52
    $12.52
    $12.52 - $12.52
    $12.52
  • 3/4"-10 Brass Coarse Thread Finished Hex Nuts
    $13.80 - $13.80
    $13.80
    $13.80 - $13.80
    $13.80

    3/4"-10 Brass Coarse Thread Finished Hex Nuts HNB-088 (2 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Thickness: 5/8"Material: BrassDriver Type: 1-1/8" WrenchThread Size: 10 (Coarse)Type: Hex NutBox of 2.Hex nuts are used to secure and...

    View full details
    $13.80 - $13.80
    $13.80
    $13.80 - $13.80
    $13.80
  • 5/16"-24 Plain Steel Fine Thread Left Hand Hex Nuts
    $12.32 - $12.32
    $12.32
    $12.32 - $12.32
    $12.32

    5/16"-24 Plain Steel Fine Thread Left Hand Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: PlainDriver Type: 1/2" WrenchThread Size: 24 (Fine)Style: Left Hand ThreadType: Hex NutBox o...

    View full details
    $12.32 - $12.32
    $12.32
    $12.32 - $12.32
    $12.32
  • 7/16"-14 Zinc Plated Steel Coarse Thread Square Nuts
    $10.99 - $10.99
    $10.99
    $10.99 - $10.99
    $10.99

    7/16"-14 Zinc Plated Steel Coarse Thread Square Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Thickness: 3/8"Material: SteelFinish: ZincDriver Type: 3/4" WrenchThread Size: 14 (Coarse)Type: Square NutBox of 12.A square nut is ...

    View full details
    $10.99 - $10.99
    $10.99
    $10.99 - $10.99
    $10.99
  • #12-24 Zinc Plated Steel Coarse Thread Square Nuts
    $11.51 - $11.51
    $11.51
    $11.51 - $11.51
    $11.51

    #12-24 Zinc Plated Steel Coarse Thread Square Nuts (36 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #12Thickness: 5/32"Material: SteelFinish: ZincDriver Type: 7/16" WrenchThread Size: 24 (Coarse)Type: Square NutBox of 36.A square nut is ...

    View full details
    $11.51 - $11.51
    $11.51
    $11.51 - $11.51
    $11.51
  • 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
  • 1/4"-28 Yellow Zinc Plated Grade 8 Steel Fine Thread Hex Nuts
    $11.34 - $11.34
    $11.34
    $11.34 - $11.34
    $11.34

    1/4"-28 Yellow Zinc Plated Grade 8 Steel Fine Thread Hex Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Diameter 2: 1/2"Thickness: 9/32"Material: SteelFinish: Yellow ZincDriver Type: 7/16" WrenchThread Size: 28 (Fine)Style: Non-SerratedT...

    View full details
    $11.34 - $11.34
    $11.34
    $11.34 - $11.34
    $11.34
  • 7/16"-20 Yellow Zinc Plated Grade 8 Steel Fine Thread Hex Nuts
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19

    7/16"-20 Yellow Zinc Plated Grade 8 Steel Fine Thread Hex Nuts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 7/16"Diameter 2: 11/16"Thickness: 1/2"Material: SteelFinish: Yellow ZincDriver Type: 11/16" WrenchThread Size: 20 (Fine)Style: Non-Serrat...

    View full details
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19
  • #4-40 Brass Coarse Thread Hex Machine Screw Nuts
    $12.35 - $12.35
    $12.35
    $12.35 - $12.35
    $12.35

    #4-40 Brass Coarse Thread Hex Machine Screw Nuts MSNB-049 (100 pcs)

    Monster Fastener
    10+ in stock

    Diameter: #4Thickness: 3/32"Material: BrassDriver Type: 1/4" WrenchThread Size: 40 (Coarse)Type: Hex NutBox of 100.Hex nuts are used to secure and ...

    View full details
    $12.35 - $12.35
    $12.35
    $12.35 - $12.35
    $12.35
  • 1/4"-20 Black Oxide Steel Coarse Thread Hex Nuts
    $8.74 - $8.74
    $8.74
    $8.74 - $8.74
    $8.74

    1/4"-20 Black Oxide Steel Coarse Thread Hex Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Thickness: 5/16"Material: SteelFinish: Black OxideDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Type: Hex NutBox of 20.Hex nuts ar...

    View full details
    $8.74 - $8.74
    $8.74
    $8.74 - $8.74
    $8.74
  • 5/16"-18 Black Oxide Steel Coarse Thread Hex Nuts
    $8.40 - $8.40
    $8.40
    $8.40 - $8.40
    $8.40

    5/16"-18 Black Oxide Steel Coarse Thread Hex Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 11/32"Material: SteelFinish: Black OxideDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Hex NutBox of 15.Hex nuts a...

    View full details
    $8.40 - $8.40
    $8.40
    $8.40 - $8.40
    $8.40
  • 1/4"-20 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts
    $9.97 - $9.97
    $9.97
    $9.97 - $9.97
    $9.97

    1/4"-20 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts HNS-167 (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/4"Thickness: 7/32"Material: SteelFinish: Yellow ZincDriver Type: 7/16" WrenchThread Size: 20 (Coarse)Style: Left Hand ThreadType: Hex N...

    View full details
    $9.97 - $9.97
    $9.97
    $9.97 - $9.97
    $9.97
  • 3/4"-16 Plain Steel Fine Thread Left Hand Hex Nuts
    $13.40 - $13.40
    $13.40
    $13.40 - $13.40
    $13.40

    3/4"-16 Plain Steel Fine Thread Left Hand Hex Nuts HNS-302 (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/4"Thickness: 41/64"Material: SteelFinish: PlainDriver Type: 1-1/8" WrenchThread Size: 16 (Fine)Style: Left Hand ThreadType: Hex NutBox ...

    View full details
    $13.40 - $13.40
    $13.40
    $13.40 - $13.40
    $13.40
  • #10-32 Zinc Plated Steel Fine Thread Square Nuts
    $9.39 - $9.39
    $9.39
    $9.39 - $9.39
    $9.39

    #10-32 Zinc Plated Steel Fine Thread Square Nuts SQRNT-038 (30 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #10Thickness: 1/8"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 32 (Fine)Type: Square NutBox of 30.A square nut is a fo...

    View full details
    $9.39 - $9.39
    $9.39
    $9.39 - $9.39
    $9.39
  • 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 SQRNT-047 (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
  • 1/2"-13 Brass Coarse Thread Finished Hex Nuts
    $12.37 - $12.37
    $12.37
    $12.37 - $12.37
    $12.37

    1/2"-13 Brass Coarse Thread Finished Hex Nuts HNB-082 (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 1/2"Thickness: 7/16"Material: BrassDriver Type: 3/4" WrenchThread Size: 13 (Coarse)Type: Hex NutBox of 5.Hex nuts are used to secure and ...

    View full details
    $12.37 - $12.37
    $12.37
    $12.37 - $12.37
    $12.37
  • #10-24 Zinc Plated Steel Coarse Thread Square Nuts
    $10.66 - $10.66
    $10.66
    $10.66 - $10.66
    $10.66

    #10-24 Zinc Plated Steel Coarse Thread Square Nuts (36 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: #10Thickness: 1/8"Material: SteelFinish: ZincDriver Type: 3/8" WrenchThread Size: 24 (Coarse)Type: Square NutBox of 36.A square nut is a ...

    View full details
    $10.66 - $10.66
    $10.66
    $10.66 - $10.66
    $10.66
  • $9.19 - $9.19
    $9.19
    $9.19 - $9.19
    $9.19

    5/16-18 Nylon Plastic Coarse Thread Hex Nuts (20 pcs.)

    Monster Fastener
    In stock

    Diameter: 5/16"Thickness: 9/32"Material: NylonDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Type: Hex Nut Box of 20. Hex nuts are used to secure ...

    View full details
    $9.19 - $9.19
    $9.19
    $9.19 - $9.19
    $9.19