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

Carriage Bolts

  • Original price $18.06 - Original price $18.06
    Original price
    $18.06
    $18.06 - $18.06
    Current price $18.06

    5/16"-18 x 1-1/2" Chrome Grade 5 Carriage Head Bumper Bolts CBS5-154 (5 pcs.)

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $18.06 - Original price $18.06
    Original price
    $18.06
    $18.06 - $18.06
    Current price $18.06
  • Original price $17.76 - Original price $17.76
    Original price
    $17.76
    $17.76 - $17.76
    Current price $17.76

    5/16"-18 x 1" Chrome Grade 5 Carriage Head Bumper Bolts CBS5-145 (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1"Outside Head Diameter: .71"Material: SteelFinish: ChromeHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHar...

    View full details
    Original price $17.76 - Original price $17.76
    Original price
    $17.76
    $17.76 - $17.76
    Current price $17.76
  • Original price $9.05 - Original price $30.93
    Original price
    $9.05 - $30.93
    $9.05 - $30.93
    Current price $9.05

    5/16"-18 x 1" Zinc Plated Grade 5 Steel Coarse Thread Carriage Bolts CBS5-148

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $9.05 - Original price $30.93
    Original price
    $9.05 - $30.93
    $9.05 - $30.93
    Current price $9.05
  • Original price $8.65 - Original price $8.65
    Original price
    $8.65
    $8.65 - $8.65
    Current price $8.65

    5/16"-18 x 3/4" Zinc Grade 5 Carriage Bolts CBS5-142 (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3/4"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 5Type: Carriag...

    View full details
    Original price $8.65 - Original price $8.65
    Original price
    $8.65
    $8.65 - $8.65
    Current price $8.65
  • Original price $20.05 - Original price $20.05
    Original price
    $20.05
    $20.05 - $20.05
    Current price $20.05

    5/16"-18 x 2" Chrome Grade 5 Carriage Head Bumper Bolts CBS5-160 (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 2"Material: SteelFinish: ChromeHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 5Style: Bumper...

    View full details
    Original price $20.05 - Original price $20.05
    Original price
    $20.05
    $20.05 - $20.05
    Current price $20.05
  • Original price $21.81 - Original price $21.81
    Original price
    $21.81
    $21.81 - $21.81
    Current price $21.81

    5/16"-18 x 2-1/2" Chrome Grade 5 Carriage Head Bumper Bolts CBS5-166 (5 pcs.)

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $21.81 - Original price $21.81
    Original price
    $21.81
    $21.81 - $21.81
    Current price $21.81
  • Original price $10.47 - Original price $40.18
    Original price
    $10.47 - $40.18
    $10.47 - $40.18
    Current price $10.47

    5/16"-18 x 3/4" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts CBS-349

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $10.47 - Original price $40.18
    Original price
    $10.47 - $40.18
    $10.47 - $40.18
    Current price $10.47
  • Original price $29.67 - Original price $29.67
    Original price
    $29.67
    $29.67 - $29.67
    Current price $29.67

    5/16"-18 x 3/4" Green Rinsed Zinc Grade 5 Carriage Bolts (206 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3/4"Material: SteelFinish: Green Rinsed ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 5...

    View full details
    Original price $29.67 - Original price $29.67
    Original price
    $29.67
    $29.67 - $29.67
    Current price $29.67
  • Original price $22.43 - Original price $22.43
    Original price
    $22.43
    $22.43 - $22.43
    Current price $22.43

    5/16"-18 x 1-3/4" Zinc Grade 2 / A307 Carriage Bolts CBS-367 (100 pcs)

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $22.43 - Original price $22.43
    Original price
    $22.43
    $22.43 - $22.43
    Current price $22.43
  • Original price $26.01 - Original price $26.01
    Original price
    $26.01
    $26.01 - $26.01
    Current price $26.01

    5/16"-18 x 2-1/4" Zinc Grade 2 / A307 Carriage Bolts CBS-376 (100 pcs)

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $26.01 - Original price $26.01
    Original price
    $26.01
    $26.01 - $26.01
    Current price $26.01
  • Original price $30.38 - Original price $30.38
    Original price
    $30.38
    $30.38 - $30.38
    Current price $30.38

    5/16"-18 x 2-3/4" Zinc Grade 2 / A307 Carriage Bolts CBS-385 (100 pcs)

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $30.38 - Original price $30.38
    Original price
    $30.38
    $30.38 - $30.38
    Current price $30.38
  • Original price $18.30 - Original price $18.30
    Original price
    $18.30
    $18.30 - $18.30
    Current price $18.30

    5/16"-18 x 3-1/4" Zinc Grade 2 / A307 Carriage Bolts CBS-394 (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...

    View full details
    Original price $18.30 - Original price $18.30
    Original price
    $18.30
    $18.30 - $18.30
    Current price $18.30
  • Original price $19.12 - Original price $40.18
    Original price
    $19.12 - $40.18
    $19.12 - $40.18
    Current price $19.12

    5/16"-18 x 3-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts CBS-400

    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...

    View full details
    Original price $19.12 - Original price $40.18
    Original price
    $19.12 - $40.18
    $19.12 - $40.18
    Current price $19.12
  • Original price $22.79 - Original price $40.18
    Original price
    $22.79 - $40.18
    $22.79 - $40.18
    Current price $22.79

    5/16"-18 x 4-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts CBS-412

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $22.79 - Original price $40.18
    Original price
    $22.79 - $40.18
    $22.79 - $40.18
    Current price $22.79
  • Original price $24.85 - Original price $40.18
    Original price
    $24.85 - $40.18
    $24.85 - $40.18
    Current price $24.85

    5/16"-18 x 5" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts CBS-418

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $24.85 - Original price $40.18
    Original price
    $24.85 - $40.18
    $24.85 - $40.18
    Current price $24.85
  • Original price $26.69 - Original price $40.18
    Original price
    $26.69 - $40.18
    $26.69 - $40.18
    Current price $26.69

    5/16"-18 x 5-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts CBS-424

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $26.69 - Original price $40.18
    Original price
    $26.69 - $40.18
    $26.69 - $40.18
    Current price $26.69
  • Original price $28.78 - Original price $40.18
    Original price
    $28.78 - $40.18
    $28.78 - $40.18
    Current price $28.78

    5/16"-18 x 6" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts CBS-430

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 6"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 2 / A307Type: Ca...

    View full details
    Original price $28.78 - Original price $40.18
    Original price
    $28.78 - $40.18
    $28.78 - $40.18
    Current price $28.78
  • Original price $35.31 - Original price $35.31
    Original price
    $35.31
    $35.31 - $35.31
    Current price $35.31

    5/16"-18 x 6-1/2" Zinc Grade 2 / A307 Carriage Bolts CBS-433 (50 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 6-1/2"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 2 / A307Type...

    View full details
    Original price $35.31 - Original price $35.31
    Original price
    $35.31
    $35.31 - $35.31
    Current price $35.31
  • Original price $39.86 - Original price $40.18
    Original price
    $39.86 - $40.18
    $39.86 - $40.18
    Current price $39.86

    5/16"-18 x 7" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts CBS-436

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 7"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: PartialHardness: Grade 2 / A307Type:...

    View full details
    Original price $39.86 - Original price $40.18
    Original price
    $39.86 - $40.18
    $39.86 - $40.18
    Current price $39.86
  • Original price $45.94 - Original price $45.94
    Original price
    $45.94
    $45.94 - $45.94
    Current price $45.94

    5/16"-18 x 7-1/2" Zinc Grade 2 / A307 Carriage Bolts CBS-439 (50 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 7-1/2"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: PartialHardness: Grade 2 / A307T...

    View full details
    Original price $45.94 - Original price $45.94
    Original price
    $45.94
    $45.94 - $45.94
    Current price $45.94
  • Original price $46.05 - Original price $46.05
    Original price
    $46.05
    $46.05 - $46.05
    Current price $46.05

    5/16"-18 x 8" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts

    Monster Fastener
    Only 8 left!

    Diameter: 5/16"Length: 8"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: PartialHardness: Grade 2 / A307Type:...

    View full details
    Original price $46.05 - Original price $46.05
    Original price
    $46.05
    $46.05 - $46.05
    Current price $46.05
  • Original price $40.18 - Original price $40.18
    Original price
    $40.18
    $40.18 - $40.18
    Current price $40.18

    5/16"-18 x 8" Zinc Grade 2 / A307 Carriage Bolts CBS-442 (67 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 8"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: PartialHardness: Grade 2 / A307Type:...

    View full details
    Original price $40.18 - Original price $40.18
    Original price
    $40.18
    $40.18 - $40.18
    Current price $40.18
  • Original price $37.12 - Original price $37.12
    Original price
    $37.12
    $37.12 - $37.12
    Current price $37.12

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

    Monster Fastener
    10+ in stock

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

    View full details
    Original price $37.12 - Original price $37.12
    Original price
    $37.12
    $37.12 - $37.12
    Current price $37.12
  • Original price $27.85 - Original price $27.85
    Original price
    $27.85
    $27.85 - $27.85
    Current price $27.85

    5/16"-18 x 3/4" Zinc Grade 5 Carriage Bolts (100 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3/4"Material: SteelFinish: ZincHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 5Type: Carriag...

    View full details
    Original price $27.85 - Original price $27.85
    Original price
    $27.85
    $27.85 - $27.85
    Current price $27.85