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Free shipping on orders $250 and up!

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  • 3/8" x 3/8" Brass Union Fittings
    $17.26 - $17.26
    $17.26
    $17.26 - $17.26
    $17.26

    3/8" x 3/8" Brass Union Fittings (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 3/8"Material: BrassType: Flare FittingSpecifications: Coronet #300-6Connection Type A x B: Female Flare x Female FlareSiz...

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    $17.26 - $17.26
    $17.26
    $17.26 - $17.26
    $17.26
  • 3/8" x 3/8FIP Brass Hose Barbs
    $30.42 - $30.42
    $30.42
    $30.42 - $30.42
    $30.42

    3/8" x 3/8FIP Brass Hose Barbs (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 3/8FIPMaterial: BrassGender: FemaleStyle: StraightType: Hose BarbConnection Type A x B: Hose Barb x Female NPTSize A: 3/8...

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    $30.42 - $30.42
    $30.42
    $30.42 - $30.42
    $30.42
  • 3/8" x 3/8MIP Brass Hose Barbs
    $23.58 - $23.58
    $23.58
    $23.58 - $23.58
    $23.58

    3/8" x 3/8MIP Brass Hose Barbs (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 3/8MIPMaterial: BrassGender: MaleStyle: StraightType: Hose BarbConnection Type A x B: Hose Barb x Male NPTSize A: 3/8"Siz...

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    $23.58 - $23.58
    $23.58
    $23.58 - $23.58
    $23.58
  • 3/8" x 3/8MIP Brass Hose Barbs
    $20.27 - $20.27
    $20.27
    $20.27 - $20.27
    $20.27

    3/8" x 3/8MIP Brass Hose Barbs (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 3/8MIPMaterial: BrassGender: MaleStyle: StraightType: Hose BarbConnection Type A x B: Hose Barb x Male NPTSize A: 3/8"Siz...

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    $20.27 - $20.27
    $20.27
    $20.27 - $20.27
    $20.27
  • 3/8" x 5/8" Brass Cup Hooks
    $12.74 - $12.74
    $12.74
    $12.74 - $12.74
    $12.74

    3/8" x 5/8" Brass Cup Hooks (30 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 5/8"Material: BrassStyle: CupType: Cup HookBox of 30.

    $12.74 - $12.74
    $12.74
    $12.74 - $12.74
    $12.74
  • 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 x 1" Brass Coarse Thread Tapped Wood Inserts
    $17.94 - $17.94
    $17.94
    $17.94 - $17.94
    $17.94

    3/8"-16 x 1" Brass Coarse Thread Tapped Wood Inserts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 1"Material: BrassDrill Size: 1/2"Thread Size: 16 (Coarse)Style: TappedType: Wood InsertBox of 10.

    $17.94 - $17.94
    $17.94
    $17.94 - $17.94
    $17.94
  • 3/8"-16 x 1" Brass Coarse Thread Tapped Wood Inserts
    $23.97 - $23.97
    $23.97
    $23.97 - $23.97
    $23.97

    3/8"-16 x 1" Brass Coarse Thread Tapped Wood Inserts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 1"Material: BrassDrill Size: 1/2"Thread Size: 16 (Coarse)Style: TappedType: Wood InsertBox of 12.

    $23.97 - $23.97
    $23.97
    $23.97 - $23.97
    $23.97
  • 3/8"-16 x 1-7/16" Brass Coarse Thread Cold Forged Wing Nuts
    $18.17 - $18.17
    $18.17
    $18.17 - $18.17
    $18.17

    3/8"-16 x 1-7/16" Brass Coarse Thread Cold Forged Wing Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 45/64"Length: 1-7/16"Material: BrassThread Size: 16 (Coarse)Type: Wing NutBox of 10.A wing nut has a pair of wings to ena...

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    $18.17 - $18.17
    $18.17
    $18.17 - $18.17
    $18.17
  • 3/8"-16 x 7/16" Brass Coarse Thread Bleeder Caps
    $14.68 - $14.68
    $14.68
    $14.68 - $14.68
    $14.68

    3/8"-16 x 7/16" Brass Coarse Thread Bleeder Caps (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 7/16"Material: BrassThread Size: 16 (Coarse)Type: Bleeder CapBox of 10.

    $14.68 - $14.68
    $14.68
    $14.68 - $14.68
    $14.68
  • 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 (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...

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    $10.87 - $10.87
    $10.87
    $10.87 - $10.87
    $10.87
  • 3/8"-24 x 7/16" Brass Fine Thread Bleeder Caps
    $12.28 - $14.68
    $12.28 - $14.68
    $12.28 - $14.68
    $12.28

    3/8"-24 x 7/16" Brass Fine Thread Bleeder Caps

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 7/16"Material: BrassThread Size: 24 (Fine)Type: Bleeder Cap

    $12.28 - $14.68
    $12.28 - $14.68
    $12.28 - $14.68
    $12.28
  • 3/8FIP x 1/4 Brass Male Connectors
    $16.11 - $16.11
    $16.11
    $16.11 - $16.11
    $16.11

    3/8FIP x 1/4 Brass Male Connectors (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8FIPDiameter 2: 1/4Material: BrassGender: MaleType: Hose ConnectorSpecifications: Coronet #200-64Connection Type A x B: Female Flare x ...

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    $16.11 - $16.11
    $16.11
    $16.11 - $16.11
    $16.11
  • 3/8FIP x 5/16MIP Brass Conversion Adapters
    $22.65 - $22.65
    $22.65
    $22.65 - $22.65
    $22.65

    3/8FIP x 5/16MIP Brass Conversion Adapters (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8FIPDiameter 2: 5/16MIPMaterial: BrassType: Conversion AdapterSpecifications: Coronet #210-65Connection Type A x B: Female Flare x Male...

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    $22.65 - $22.65
    $22.65
    $22.65 - $22.65
    $22.65
  • 3mm-0.5 x 9.5mm Brass Coarse Thread Hard Wood Inserts
    $11.70 - $11.70
    $11.70
    $11.70 - $11.70
    $11.70

    3mm-0.5 x 9.5mm Brass Coarse Thread Hard Wood Inserts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3mmLength: 9.5mmMaterial: BrassThread Size: 0.5mm (Coarse)Type: Wood InsertApplication: Hard WoodBox of 4.

    $11.70 - $11.70
    $11.70
    $11.70 - $11.70
    $11.70
  • 4-3/4" Brass Double Bolt Snap Hooks
    $13.58 - $53.55
    $13.58 - $53.55
    $13.58 - $53.55
    $13.58

    4-3/4" Brass Double Bolt Snap Hooks

    Monster Fastener
    10+ in stock

    Diameter: 4-3/4"Material: BrassStyle: Double BoltType: Snap Hook

    $13.58 - $53.55
    $13.58 - $53.55
    $13.58 - $53.55
    $13.58
  • 4mm-0.7 x 9.5mm Brass Coarse Thread Hard Wood Inserts
    $10.74 - $10.74
    $10.74
    $10.74 - $10.74
    $10.74

    4mm-0.7 x 9.5mm Brass Coarse Thread Hard Wood Inserts (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 9.5mmMaterial: BrassThread Size: 0.7mm (Coarse)Type: Wood InsertApplication: Hard WoodBox of 3.

    $10.74 - $10.74
    $10.74
    $10.74 - $10.74
    $10.74
  • 5/16" Black Chrome Plated Steel Button Head Bolt Caps
    $28.59 - $28.59
    $28.59
    $28.59 - $28.59
    $28.59

    5/16" Black Chrome Plated Steel Button Head Bolt Caps (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Material: BrassFinish: Black ChromeHead Style: ButtonType: Screw CoverBox of 6.

    $28.59 - $28.59
    $28.59
    $28.59 - $28.59
    $28.59
  • 5/16" Black Chrome Plated Steel Hex Head Bolt Caps
    $28.59 - $28.59
    $28.59
    $28.59 - $28.59
    $28.59

    5/16" Black Chrome Plated Steel Hex Head Bolt Caps (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Material: BrassFinish: Black ChromeHead Style: HexType: Screw CoverBox of 6.

    $28.59 - $28.59
    $28.59
    $28.59 - $28.59
    $28.59
  • 5/16" Black Chrome Plated Steel Socket Head Bolt Caps
    $28.59 - $28.59
    $28.59
    $28.59 - $28.59
    $28.59

    5/16" Black Chrome Plated Steel Socket Head Bolt Caps (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Material: BrassFinish: Black ChromeHead Style: SocketType: Screw CoverBox of 6.

    $28.59 - $28.59
    $28.59
    $28.59 - $28.59
    $28.59
  • 5/16" Brass Compression Sleeves
    $11.60 - $11.60
    $11.60
    $11.60 - $11.60
    $11.60

    5/16" Brass Compression Sleeves (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1/4"Material: BrassType: Compression SleeveBox of 15.

    $11.60 - $11.60
    $11.60
    $11.60 - $11.60
    $11.60
  • 5/16" Brass Inverted Flare Nuts
    $12.11 - $12.11
    $12.11
    $12.11 - $12.11
    $12.11

    5/16" Brass Inverted Flare Nuts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Material: BrassType: Flare FittingSpecifications: Coronet #105-5Box of 6.

    $12.11 - $12.11
    $12.11
    $12.11 - $12.11
    $12.11