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  • 5/16"-18 x 3-1/2" 18-8 Stainless Steel Coarse Thread Hanger Bolts
    $39.06 - $39.06
    $39.06
    $39.06 - $39.06
    $39.06

    5/16"-18 x 3-1/2" 18-8 Stainless Steel Coarse Thread Hanger Bolts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: Stainless SteelThread Size: 18 (Coarse)Hardness: 18-8Type: Hanger BoltApplication: OverheadBox of 8.A hanger...

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    $39.06 - $39.06
    $39.06
    $39.06 - $39.06
    $39.06
  • 5/16"-18 x 3-1/2" 18-8 Stainless Steel Coarse Thread Hex Cap Screws
    $12.99 - $25.69
    $12.99 - $25.69
    $12.99 - $25.69
    $12.99

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

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: Stainless SteelHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 7/8"Hardness: 18-8Type: C...

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    $12.99 - $25.69
    $12.99 - $25.69
    $12.99 - $25.69
    $12.99
  • 5/16"-18 x 3-1/2" Hot Dip Galvanized Grade 2 / A307 Steel Coarse Thread Carriage Bolts
    $22.33 - $22.33
    $22.33
    $22.33 - $22.33
    $22.33

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

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: Hot Dip GalvanizedHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grad...

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    $22.33 - $22.33
    $22.33
    $22.33 - $22.33
    $22.33
  • 5/16"-18 x 3-1/2" Green Rinsed Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws
    $53.30 - $53.30
    $53.30
    $53.30 - $53.30
    $53.30

    5/16"-18 x 3-1/2" Green Rinsed Zinc Grade 5 Hex Cap Screws (117 pcs.)

    Monster Fastener
    10+ in stock

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

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    $53.30 - $53.30
    $53.30
    $53.30 - $53.30
    $53.30
  • 5/16"-18 x 3-1/2" Hot Dip Galvanized Grade 2 / A307 Steel Coarse Thread Carriage Bolts
    $30.16 - $30.16
    $30.16
    $30.16 - $30.16
    $30.16

    5/16"-18 x 3-1/2" Hot Dip Galvanized Grade 2 / A307 Carriage Bolts (64 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: Hot Dip GalvanizedHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: Grad...

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    $30.16 - $30.16
    $30.16
    $30.16 - $30.16
    $30.16
  • 5/16"-18 x 3-1/2" Hot Dip Galvanized Steel Coarse Thread Hex Cap Screws
    $28.23 - $28.23
    $28.23
    $28.23 - $28.23
    $28.23

    5/16"-18 x 3-1/2" Hot Dip Galvanized Hex Cap 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)Thread Size: 18 (Coarse)Thread Length: 1" to 2"T...

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    $28.23 - $28.23
    $28.23
    $28.23 - $28.23
    $28.23
  • 5/16"-18 x 3-1/2" Plain Steel Coarse Thread Socket Cap Screws
    $11.28 - $11.28
    $11.28
    $11.28 - $11.28
    $11.28

    5/16"-18 x 3-1/2" Plain Socket Cap Screws (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: PlainHead Style: Socket (1/4" Socket)Thread Size: 18 (Coarse)Type: Socket Cap ScrewBox of 4.A s...

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    $11.28 - $11.28
    $11.28
    $11.28 - $11.28
    $11.28
  • 5/16"-18 x 3-1/2" Plain Steel Coarse Thread Hanger Bolts
    $19.98 - $19.98
    $19.98
    $19.98 - $19.98
    $19.98

    5/16"-18 x 3-1/2" Plain Steel Coarse Thread Hanger Bolts (50 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: PlainThread Size: 18 (Coarse)Type: Hanger BoltApplication: OverheadBox of 50.A hanger bolt is a...

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    $19.98 - $19.98
    $19.98
    $19.98 - $19.98
    $19.98
  • 5/16"-18 x 3-1/2" Plain Steel Coarse Thread Socket Cap Screws
    $15.25 - $15.25
    $15.25
    $15.25 - $15.25
    $15.25

    5/16"-18 x 3-1/2" Plain Steel Coarse Thread Socket Cap Screws (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: PlainHead Style: Socket (1/4" Socket)Thread Size: 18 (Coarse)Type: Socket Cap ScrewBox of 6.A s...

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    $15.25 - $15.25
    $15.25
    $15.25 - $15.25
    $15.25
  • 5/16"-18 x 3-1/2" Zinc Plated Steel Coarse Full Thread Hex Head Tap Bolts
    $13.44 - $13.44
    $13.44
    $13.44 - $13.44
    $13.44

    5/16"-18 x 3-1/2" Zinc Coarse Full Thread Hex Tap Bolts (25 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)Style: Full ThreadType: Tap BoltBox of...

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    $13.44 - $13.44
    $13.44
    $13.44 - $13.44
    $13.44
  • 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"-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

    5/16"-24 x 3-1/2" Green Rinsed Zinc Grade 5 Hex Cap Screws (61 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: Green Rinsed ZincHead Style: Hex (1/2" Wrench)Thread Size: 24 (Fine)Thread Length: 7/8"Hardness...

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    $29.67 - $29.67
    $29.67
    $29.67 - $29.67
    $29.67
  • 5/16"-24 x 3-1/2" Zinc Plated Grade 8 Steel Fine Thread Hex Cap Screws
    $21.24 - $21.24
    $21.24
    $21.24 - $21.24
    $21.24

    5/16"-24 x 3-1/2" Zinc Grade 8 Hex Cap Screws (25 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: Yellow ZincHead Style: Hex (1/2" Wrench)Thread Size: 24 (Fine)Thread Length: 7/8"Hardness: Grad...

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    $21.24 - $21.24
    $21.24
    $21.24 - $21.24
    $21.24
  • 5/16"-24 x 3-1/2" Zinc Plated Grade 5 Steel Fine Thread Hex Cap Screws
    $14.60 - $31.29
    $14.60 - $31.29
    $14.60 - $31.29
    $14.60

    5/16"-24 x 3-1/2" Zinc Plated Grade 5 Steel Fine Thread Hex Cap Screws

    Monster Fastener
    Only 10 left!

    Diameter: 5/16"Length: 3-1/2"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Thread Size: 24 (Fine)Thread Length: 7/8"Hardness: Grade 5Type...

    View full details
    $14.60 - $31.29
    $14.60 - $31.29
    $14.60 - $31.29
    $14.60