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

Products

  • 3/8"-16 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Hex Bolts
    $24.48 - $37.90
    $24.48 - $37.90
    $24.48 - $37.90
    $24.48

    3/8"-16 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Hex Bolts

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (9/16" Wrench)Thread Size: 16 (Coarse)Thread Length: 1"Hardness: Grade 2 / A...

    View full details
    $24.48 - $37.90
    $24.48 - $37.90
    $24.48 - $37.90
    $24.48
  • 3/8"-16 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Carriage Bolts
    $10.49 - $50.89
    $10.49 - $50.89
    $10.49 - $50.89
    $10.49

    3/8"-16 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Carriage Bolts

    Monster Fastener
    Only 6 left!

    Diameter: 3/8"Length: 3-1/2"Material: SteelFinish: ZincHead Style: CarriageThread Size: 16 (Coarse)Thread Length: FullHardness: Grade 5Type: Carria...

    View full details
    $10.49 - $50.89
    $10.49 - $50.89
    $10.49 - $50.89
    $10.49
  • 3/8"-16 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws
    $35.05 - $52.92
    $35.05 - $52.92
    $35.05 - $52.92
    $35.05

    3/8"-16 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (9/16" Wrench)Thread Size: 16 (Coarse)Thread Length: 1"Hardness: Grade 5Type...

    View full details
    $35.05 - $52.92
    $35.05 - $52.92
    $35.05 - $52.92
    $35.05
  • 3/8"-16 x 3-1/2" Zinc Plated Grade 8 Steel Coarse Thread Hex Cap Screws
    $10.65 - $33.12
    $10.65 - $33.12
    $10.65 - $33.12
    $10.65

    3/8"-16 x 3-1/2" Zinc Plated Grade 8 Steel Coarse Thread Hex Cap Screws

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 3-1/2"Material: SteelFinish: Blue Rinsed ZincHead Style: Hex (9/16" Wrench)Thread Size: 16 (Coarse)Thread Length: 1"Hardness:...

    View full details
    $10.65 - $33.12
    $10.65 - $33.12
    $10.65 - $33.12
    $10.65
  • 3/8"-16 x 3-1/2" Zinc Plated Grade 8 Steel Coarse Thread Hex Cap Screws
    $18.47 - $32.86
    $18.47 - $32.86
    $18.47 - $32.86
    $18.47

    3/8"-16 x 3-1/2" Zinc Plated Grade 8 Steel Coarse Thread Hex Cap Screws

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 3-1/2"Material: SteelFinish: Yellow ZincHead Style: Hex (9/16" Wrench)Thread Size: 16 (Coarse)Thread Length: 1"Hardness: Grad...

    View full details
    $18.47 - $32.86
    $18.47 - $32.86
    $18.47 - $32.86
    $18.47
  • 3/8"-16 x 3-1/2" Zinc Plated Steel Coarse Thread Slotted Flat Head Machine Screws
    Sold out
    $52.42 - $52.42
    $52.42
    $52.42 - $52.42
    $52.42

    3/8"-16 x 3-1/2" Zinc Slotted Flat Head Machine Screws (100 pcs)

    Monster Fastener
    Out of stock

    Diameter: 3/8"Diameter 2: 11/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Flat (Slotted)Thread Size: 16 (Coarse)Thread Length: FullType:...

    View full details
    $52.42 - $52.42
    $52.42
    $52.42 - $52.42
    $52.42
    Sold out
  • 3/8"-16 x 3-1/2" Zinc Plated Steel Coarse Thread Slotted Round Head Machine Screws
    $50.30 - $50.30
    $50.30
    $50.30 - $50.30
    $50.30

    3/8"-16 x 3-1/2" Zinc Slotted Round Head Machine Screws (100 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Round (Slotted)Thread Size: 16 (Coarse)Thread Length: FullType: Machine ScrewBox...

    View full details
    $50.30 - $50.30
    $50.30
    $50.30 - $50.30
    $50.30
  • 3/8"-24 x 3-1/2" Green Rinsed Zinc Plated Grade 5 Steel Fine Thread Hex Cap Screws
    $29.67 - $29.67
    $29.67
    $29.67 - $29.67
    $29.67

    3/8"-24 x 3-1/2" Green Rinsed Zinc Grade 5 Hex Cap Screws (44 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 3-1/2"Material: SteelFinish: Green Rinsed ZincHead Style: Hex (9/16" Wrench)Thread Size: 24 (Fine)Thread Length: 1"Hardness: ...

    View full details
    $29.67 - $29.67
    $29.67
    $29.67 - $29.67
    $29.67
  • 3/8"-24 x 3-1/2" Zinc Plated Grade 8 Steel Fine Thread Hex Cap Screws
    $26.45 - $26.45
    $26.45
    $26.45 - $26.45
    $26.45

    3/8"-24 x 3-1/2" Zinc Grade 8 Hex Cap Screws (25 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 3-1/2"Material: SteelFinish: Yellow ZincHead Style: Hex (9/16" Wrench)Thread Size: 24 (Fine)Thread Length: 1"Hardness: Grade ...

    View full details
    $26.45 - $26.45
    $26.45
    $26.45 - $26.45
    $26.45
  • 3/8"-24 x 3-1/2" Zinc Plated Grade 5 Steel Fine Thread Hex Cap Screws
    $13.97 - $40.82
    $13.97 - $40.82
    $13.97 - $40.82
    $13.97

    3/8"-24 x 3-1/2" Zinc Plated Grade 5 Steel Fine Thread Hex Cap Screws

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (9/16" Wrench)Thread Size: 24 (Fine)Thread Length: 1"Hardness: Grade 5Type: ...

    View full details
    $13.97 - $40.82
    $13.97 - $40.82
    $13.97 - $40.82
    $13.97
  • 4" Oiled Bronze Hinge Pins for National
    $13.29 - $13.29
    $13.29
    $13.29 - $13.29
    $13.29

    4" Oiled Bronze Hinge Pins for National (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 0.255"Diameter 2: 0.45"Length: 3-1/2"Material: SteelFinish: Oiled BronzeType: Hinge PinApplication: NationalBox of 5.

    $13.29 - $13.29
    $13.29
    $13.29 - $13.29
    $13.29
  • 4"Satin Brass Hinge Pins for National
    $13.10 - $13.10
    $13.10
    $13.10 - $13.10
    $13.10

    4"Satin Brass Hinge Pins for National (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: .23"Diameter 2: .45"Length: 3-1/2"Material: SteelFinish: Satin BrassType: Hinge PinApplication: 4" National HingeBox of 5.

    $13.10 - $13.10
    $13.10
    $13.10 - $13.10
    $13.10
  • 5/16 x 3-1/2" Star Construction Lag Green Screws (8 pcs.)
    $10.32 - $10.32
    $10.32
    $10.32 - $10.32
    $10.32

    5/16 x 3-1/2" Star Construction Lag Green Screws (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16" Length: 3-1/2" Material: Steel Finish: Green XL1500 Head Style: Round Washer (T-30 Star Bit) Point Type: Type 17 Thread Length: 2.4...

    View full details
    $10.32 - $10.32
    $10.32
    $10.32 - $10.32
    $10.32
  • $18.45 - $18.98
    $18.45 - $18.98
    $18.45 - $18.98
    $18.45

    5/16 x 3-1/2" Yellow Zinc Round Washer Head SaberDrive® Lag Screws

    Monster Fastener
    Only 2 left!

    Diameter: 5/16" Length: 3-1/2" Material: Steel Finish: Yellow Zinc Head Style: Round Washer (T-30 Star Bit) Point Type: Type 17 Type: Lag Screw The...

    View full details
    $18.45 - $18.98
    $18.45 - $18.98
    $18.45 - $18.98
    $18.45
  • 5/16" x 3-1/2" 18-8 Stainless Steel Hex Head Lag Screws
    $23.23 - $33.96
    $23.23 - $33.96
    $23.23 - $33.96
    $23.23

    5/16" x 3-1/2" 18-8 Stainless Steel Hex Head Lag Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: Stainless SteelHead Style: Hex (1/2" Wrench)Point Type: GimletThread Length: PartialHardness: 18-8Type: Hex ...

    View full details
    $23.23 - $33.96
    $23.23 - $33.96
    $23.23 - $33.96
    $23.23
  • 5/16" x 3-1/2" 316 Stainless Steel Eye/Eye Swivels
    $24.33 - $24.33
    $24.33
    $24.33 - $24.33
    $24.33

    5/16" x 3-1/2" 316 Stainless Steel Eye/Eye Swivels (2 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: Stainless SteelHardness: 316Style: Eye-EyeType: SwivelBox of 2.

    $24.33 - $24.33
    $24.33
    $24.33 - $24.33
    $24.33
  • 5/16" x 3-1/2" 316 Stainless Steel Jaw/Jaw Swivels
    $28.07 - $28.07
    $28.07
    $28.07 - $28.07
    $28.07

    5/16" x 3-1/2" 316 Stainless Steel Jaw/Jaw Swivels (2 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: Stainless SteelHardness: 316Style: Jaw-JawType: SwivelBox of 2.

    $28.07 - $28.07
    $28.07
    $28.07 - $28.07
    $28.07
  • 5/16" x 3-1/2" Hot Dip Galvanized Steel Hex Head Lag Screws
    $26.61 - $26.61
    $26.61
    $26.61 - $26.61
    $26.61

    5/16" x 3-1/2" Hot Dip Galvanized Hex Head Lag Screws (50 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: Hot Dip GalvanizedHead Style: Hex (1/2" Wrench)Point Type: GimletThread Length: PartialType: He...

    View full details
    $26.61 - $26.61
    $26.61
    $26.61 - $26.61
    $26.61
  • 5/16" x 3-1/2" Zinc Plated Grade 2 / A307 Steel Hex Head Lag Screws
    $18.23 - $48.73
    $18.23 - $48.73
    $18.23 - $48.73
    $18.23

    5/16" x 3-1/2" Zinc Plated Grade 2 / A307 Steel Hex Head Lag Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Point Type: GimletThread Length: PartialHardness: Grade 2 / A3...

    View full details
    $18.23 - $48.73
    $18.23 - $48.73
    $18.23 - $48.73
    $18.23
  • 5/16" x 3-1/2" Zinc Plated Grade 2 / A307 Steel Hex Head Lag Screws
    $17.78 - $18.65
    $17.78 - $18.65
    $17.78 - $18.65
    $17.78

    5/16" x 3-1/2" Zinc Plated Grade 2 / A307 Steel Hex Head Lag Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Point Type: GimletThread Length: PartialHardness: Grade 2 / A3...

    View full details
    $17.78 - $18.65
    $17.78 - $18.65
    $17.78 - $18.65
    $17.78
  • 5/16" x 3-1/2" Zinc Plated Steel Cotter Pins
    $9.64 - $9.64
    $9.64
    $9.64 - $9.64
    $9.64

    5/16" x 3-1/2" Zinc Plated Steel Cotter Pins (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincStyle: Extended ProngType: Cotter PinBox of 4.A cotter pin is a split pin with two tines th...

    View full details
    $9.64 - $9.64
    $9.64
    $9.64 - $9.64
    $9.64
  • 5/16" x 3-1/2" Zinc Plated Steel Dowel Screws
    $10.83 - $10.83
    $10.83
    $10.83 - $10.83
    $10.83

    5/16" x 3-1/2" Zinc Plated Steel Dowel Screws (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincType: Dowel ScrewBox of 10.A dowel screw is similar to a wood screw but with two pointed en...

    View full details
    $10.83 - $10.83
    $10.83
    $10.83 - $10.83
    $10.83
  • 5/16"-18 x 2-1/2" x 3-1/2" 18-8 Stainless Steel Round U-Bolt
    $70.83 - $70.83
    $70.83
    $70.83 - $70.83
    $70.83

    5/16"-18 x 2-1/2" x 3-1/2" 18-8 Stainless Steel Round U-Bolt (10 pcs.)

    Monster Fastener
    Only 10 left!

    Diameter: 5/16"Diameter 2: 2-1/2"Length: 3-1/2"Material: Stainless SteelShape: RoundHardness: 18-8Type: U-BoltBox of 10.

    $70.83 - $70.83
    $70.83
    $70.83 - $70.83
    $70.83
  • 5/16"-18 x 2-1/2" x 3-1/2" Zinc Plated Steel Round U-Bolt
    $21.34 - $21.34
    $21.34
    $21.34 - $21.34
    $21.34

    5/16"-18 x 2-1/2" x 3-1/2" Zinc Plated Steel Round U-Bolt (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 2-1/2"Length: 3-1/2"Material: SteelFinish: ZincShape: RoundType: U-BoltBox of 10.

    $21.34 - $21.34
    $21.34
    $21.34 - $21.34
    $21.34