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  • 5/16"-18 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Hex Bolts
    $13.06 - $13.06
    $13.06
    $13.06 - $13.06
    $13.06

    5/16"-18 x 3-1/2" Zinc Grade 2 / A307 Hex Bolts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 7/8"Hardness: Grade 2 /...

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    $13.06 - $13.06
    $13.06
    $13.06 - $13.06
    $13.06
  • 5/16"-18 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Carriage Bolts
    $36.79 - $36.79
    $36.79
    $36.79 - $36.79
    $36.79

    5/16"-18 x 3-1/2" Zinc Grade 5 Carriage Bolts (50 pcs.)

    Monster Fastener
    Only 8 left!

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 5Type: Carri...

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    $36.79 - $36.79
    $36.79
    $36.79 - $36.79
    $36.79
  • 5/16"-18 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws
    Sold out
    $24.72 - $24.72
    $24.72
    $24.72 - $24.72
    $24.72

    5/16"-18 x 3-1/2" Zinc Grade 5 Hex Cap Screws (50 pcs.)

    Monster Fastener
    Out of stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 7/8"Hardness: Grade 5Ty...

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    $24.72 - $24.72
    $24.72
    $24.72 - $24.72
    $24.72
    Sold out
  • 5/16"-18 x 3-1/2" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $14.70 - $14.70
    $14.70
    $14.70 - $14.70
    $14.70

    5/16"-18 x 3-1/2" Zinc Phillips Flat Head Machine Screws (25 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBo...

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    $14.70 - $14.70
    $14.70
    $14.70 - $14.70
    $14.70
  • 5/16"-18 x 3-1/2" Zinc Plated Steel Coarse Thread Phillips Pan Head Machine Screws
    $13.27 - $13.27
    $13.27
    $13.27 - $13.27
    $13.27

    5/16"-18 x 3-1/2" Zinc Phillips Pan Head Machine Screws (25 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Pan (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBox...

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    $13.27 - $13.27
    $13.27
    $13.27 - $13.27
    $13.27
  • 5/16"-18 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts
    $19.12 - $40.18
    $19.12 - $40.18
    $19.12 - $40.18
    $19.12

    5/16"-18 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 2 / A307Type...

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    $19.12 - $40.18
    $19.12 - $40.18
    $19.12 - $40.18
    $19.12
  • 5/16"-18 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts
    $17.78 - $18.34
    $17.78 - $18.34
    $17.78 - $18.34
    $17.78

    5/16"-18 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 2 / A307Type...

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    $17.78 - $18.34
    $17.78 - $18.34
    $17.78 - $18.34
    $17.78
  • 5/16"-18 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Hex Bolts
    $18.94 - $37.90
    $18.94 - $37.90
    $18.94 - $37.90
    $18.94

    5/16"-18 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Hex Bolts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 7/8"Hardness: Grade 2 /...

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    $18.94 - $37.90
    $18.94 - $37.90
    $18.94 - $37.90
    $18.94
  • 5/16"-18 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws
    $26.17 - $52.92
    $26.17 - $52.92
    $26.17 - $52.92
    $26.17

    5/16"-18 x 3-1/2" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 7/8"Hardness: Grade 5Ty...

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    $26.17 - $52.92
    $26.17 - $52.92
    $26.17 - $52.92
    $26.17
  • 5/16"-18 x 3-1/2" Zinc Plated Grade 8 Steel Coarse Thread Hex Cap Screws
    $17.70 - $32.86
    $17.70 - $32.86
    $17.70 - $32.86
    $17.70

    5/16"-18 x 3-1/2" Zinc Plated Grade 8 Steel Coarse Thread Hex Cap Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: Yellow ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 7/8"Hardness: Gr...

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    $17.70 - $32.86
    $17.70 - $32.86
    $17.70 - $32.86
    $17.70
  • 5/16"-18 x 3-1/2" Zinc Plated Grade 8 Steel Coarse Thread Hex Cap Screws
    $10.39 - $33.12
    $10.39 - $33.12
    $10.39 - $33.12
    $10.39

    5/16"-18 x 3-1/2" Zinc Plated Grade 8 Steel Coarse Thread Hex Cap Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: Blue Rinsed ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 7/8"Hardnes...

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    $10.39 - $33.12
    $10.39 - $33.12
    $10.39 - $33.12
    $10.39
  • 5/16"-18 x 3-1/4" 18-8 Stainless Steel Coarse Thread Eye Bolts with Nuts
    $30.80 - $30.80
    $30.80
    $30.80 - $30.80
    $30.80

    5/16"-18 x 3-1/4" 18-8 Stainless Eye Bolts with Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 3/4"Length: 3-1/4"Material: Stainless SteelThread Size: 18 (Coarse)Hardness: 18-8Style: With NutType: Screw Eye BoltDiam...

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    $30.80 - $30.80
    $30.80
    $30.80 - $30.80
    $30.80
  • 5/16"-18 x 3-1/4" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts
    $18.30 - $18.30
    $18.30
    $18.30 - $18.30
    $18.30

    5/16"-18 x 3-1/4" Zinc Grade 2 / A307 Carriage Bolts (50 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/4"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 2 / A307Type...

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    $18.30 - $18.30
    $18.30
    $18.30 - $18.30
    $18.30
  • 5/16"-18 x 3-1/4" Zinc Plated Grade 2 / A307 Steel Coarse Thread Hex Bolts
    $17.64 - $17.64
    $17.64
    $17.64 - $17.64
    $17.64

    5/16"-18 x 3-1/4" Zinc Grade 2 / A307 Hex Bolts (50 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/4"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 7/8"Hardness: Grade 2 /...

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    $17.64 - $17.64
    $17.64
    $17.64 - $17.64
    $17.64
  • 5/16"-18 x 3-1/4" Zinc Plated Steel Coarse Thread Eye Bolts with Nuts
    $12.31 - $13.22
    $12.31 - $13.22
    $12.31 - $13.22
    $12.31

    5/16"-18 x 3-1/4" Zinc Plated Steel Coarse Thread Eye Bolts with Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 3/4"Length: 3-1/4"Material: SteelFinish: ZincThread Size: 18 (Coarse)Style: With NutType: Screw Eye BoltDiameter 3: 1-1/4"

    $12.31 - $13.22
    $12.31 - $13.22
    $12.31 - $13.22
    $12.31
  • 5/16"-18 x 3.15" Black Steel Coarse Thread Joint Connector Bolts
    $11.35 - $11.35
    $11.35
    $11.35 - $11.35
    $11.35

    5/16"-18 x 3.15" Black Steel Coarse Thread Joint Connector Bolts (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3.15"Material: SteelFinish: BlackThread Size: 18 (Coarse)Type: Connector BoltBox of 5.

    $11.35 - $11.35
    $11.35
    $11.35 - $11.35
    $11.35
  • 5/16"-18 x 3.15" Steel Coarse Thread Joint Connector Bolts
    $12.91 - $12.91
    $12.91
    $12.91 - $12.91
    $12.91

    5/16"-18 x 3.15" Steel Coarse Thread Joint Connector Bolts (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3.15"Material: SteelFinish: BronzeThread Size: 18 (Coarse)Type: Connector BoltBox of 5.

    $12.91 - $12.91
    $12.91
    $12.91 - $12.91
    $12.91
  • 5/16"-18 x 3.55" Black Steel Coarse Thread Joint Connector Bolts
    $10.89 - $10.89
    $10.89
    $10.89 - $10.89
    $10.89

    5/16"-18 x 3.55" Black Steel Coarse Thread Joint Connector Bolts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3.55"Material: SteelFinish: BlackThread Size: 18 (Coarse)Type: Connector BoltBox of 4.

    $10.89 - $10.89
    $10.89
    $10.89 - $10.89
    $10.89
  • 5/16"-18 x 3.55" Steel Coarse Thread Joint Connector Bolts
    $12.50 - $12.50
    $12.50
    $12.50 - $12.50
    $12.50

    5/16"-18 x 3.55" Steel Coarse Thread Joint Connector Bolts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3.55"Material: SteelFinish: BronzeThread Size: 18 (Coarse)Type: Connector BoltBox of 4.

    $12.50 - $12.50
    $12.50
    $12.50 - $12.50
    $12.50
  • 5/16"-18 x 3.94" Black Steel Coarse Thread Joint Connector Bolts
    $10.26 - $10.26
    $10.26
    $10.26 - $10.26
    $10.26

    5/16"-18 x 3.94" Black Steel Coarse Thread Joint Connector Bolts (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3.94"Material: SteelFinish: BlackThread Size: 18 (Coarse)Type: Connector BoltBox of 3.

    $10.26 - $10.26
    $10.26
    $10.26 - $10.26
    $10.26
  • 5/16"-18 x 3.94" Steel Coarse Thread Joint Connector Bolts
    $11.40 - $11.40
    $11.40
    $11.40 - $11.40
    $11.40

    5/16"-18 x 3.94" Steel Coarse Thread Joint Connector Bolts (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3.94"Material: SteelFinish: BronzeThread Size: 18 (Coarse)Type: Connector BoltBox of 3.

    $11.40 - $11.40
    $11.40
    $11.40 - $11.40
    $11.40
  • 5/16"-18 x 3/4" 18-8 Stainless Steel Coarse Thread Button Head Socket Cap Screws
    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99

    5/16"-18 x 3/4" 18-8 Stainless Button Head Socket Cap Screws (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3/4"Material: Stainless SteelHead Style: Button (3/16" Socket)Thread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Type:...

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    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99
  • 5/16"-18 x 3/4" 18-8 Stainless Steel Coarse Thread Button Head Socket Cap Screws
    $11.40 - $11.40
    $11.40
    $11.40 - $11.40
    $11.40

    5/16"-18 x 3/4" 18-8 Stainless Button Socket Cap Screws (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3/4"Material: Stainless SteelHead Style: Button (3/16" Socket)Thread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Type:...

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    $11.40 - $11.40
    $11.40
    $11.40 - $11.40
    $11.40
  • 5/16"-18 x 3/4" 18-8 Stainless Steel Coarse Thread Carriage Head Bumper Bolts
    $37.12 - $37.12
    $37.12
    $37.12 - $37.12
    $37.12

    5/16"-18 x 3/4" 18-8 Stainless Carriage Head Bumper Bolts (25 pcs.)

    Monster Fastener
    Only 8 left!

    Diameter: 5/16"Length: 3/4"Material: Stainless SteelHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Style: Bumper Bolt...

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    $37.12 - $37.12
    $37.12
    $37.12 - $37.12
    $37.12