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

Products

  • 5/16"-18 x 3" Zinc Plated Grade 2 / A307 Steel Coarse Thread Square Head Bolts
    $11.09 - $11.09
    $11.09
    $11.09 - $11.09
    $11.09

    5/16"-18 x 3" Zinc Grade 2 / A307 Square Head Bolts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Square (1/2" Wrench)Thread Size: 18 (Coarse)Hardness: Grade 2 / A307Type: Square He...

    View full details
    $11.09 - $11.09
    $11.09
    $11.09 - $11.09
    $11.09
  • 5/16"-18 x 3" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws
    $37.82 - $37.82
    $37.82
    $37.82 - $37.82
    $37.82

    5/16"-18 x 3" Zinc Grade 5 Hex Cap Screws (100 pcs.)

    Monster Fastener
    Only 7 left!

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

    View full details
    $37.82 - $37.82
    $37.82
    $37.82 - $37.82
    $37.82
  • 5/16"-18 x 3" Zinc Plated Grade 5 Steel Coarse Thread Hex Washer Head Serrated Flange Bolts
    $9.20 - $9.20
    $9.20
    $9.20 - $9.20
    $9.20

    5/16"-18 x 3" Zinc Grade 5 Hex Washer Head Serrated Flange Bolts (4 pcs.)

    Monster Fastener
    10+ in stock

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

    View full details
    $9.20 - $9.20
    $9.20
    $9.20 - $9.20
    $9.20
  • 5/16"-18 x 3" Zinc Plated Grade 8 Steel Coarse Thread Hex Washer Head Flange Bolts
    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00

    5/16"-18 x 3" Zinc Grade 8 Hex Washer Head Flange Bolts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: Yellow ZincHead Style: Hex Washer (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 1" to 2"Hardn...

    View full details
    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00
  • 5/16"-18 x 3" Zinc Plated Grade 8 Steel Coarse Thread Hex Washer Head Flange Bolts
    $11.88 - $11.88
    $11.88
    $11.88 - $11.88
    $11.88

    5/16"-18 x 3" Zinc Grade 8 Hex Washer Head Flange Bolts (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: Yellow ZincHead Style: Hex Washer (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 1" to 2"Hardn...

    View full details
    $11.88 - $11.88
    $11.88
    $11.88 - $11.88
    $11.88
  • 5/16"-18 x 3" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $15.28 - $15.28
    $15.28
    $15.28 - $15.28
    $15.28

    5/16"-18 x 3" Zinc Phillips Flat Head Machine Screws (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBox of...

    View full details
    $15.28 - $15.28
    $15.28
    $15.28 - $15.28
    $15.28
  • 5/16"-18 x 3" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts
    $11.26 - $30.03
    $11.26 - $30.03
    $11.26 - $30.03
    $11.26

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

    Monster Fastener
    10+ in stock

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

    View full details
    $11.26 - $30.03
    $11.26 - $30.03
    $11.26 - $30.03
    $11.26
  • 5/16"-18 x 3" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts
    $9.97 - $40.18
    $9.97 - $40.18
    $9.97 - $40.18
    $9.97

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

    Monster Fastener
    10+ in stock

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

    View full details
    $9.97 - $40.18
    $9.97 - $40.18
    $9.97 - $40.18
    $9.97
  • 5/16"-18 x 3" Zinc Plated Grade 2 / A307 Steel Coarse Thread Hex Bolts
    $27.94 - $37.90
    $27.94 - $37.90
    $27.94 - $37.90
    $27.94

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

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Thread Length: 7/8"Hardness: Grade 2 / A30...

    View full details
    $27.94 - $37.90
    $27.94 - $37.90
    $27.94 - $37.90
    $27.94
  • 5/16"-18 x 3" Zinc Plated Grade 2 Steel Coarse Thread Threaded Rods
    $10.59 - $10.83
    $10.59 - $10.83
    $10.59 - $10.83
    $10.59

    5/16"-18 x 3" Zinc Plated Grade 2 Steel Coarse Thread Threaded Rods

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincThread Size: 18 (Coarse)Thread Length: FullHardness: Grade 2Style: Threaded StudType: Threaded ...

    View full details
    $10.59 - $10.83
    $10.59 - $10.83
    $10.59 - $10.83
    $10.59
  • 5/16"-18 x 3" Zinc Plated Grade 5 Steel Coarse Thread Carriage Bolts
    $9.63 - $62.62
    $9.63 - $62.62
    $9.63 - $62.62
    $9.63

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

    Monster Fastener
    Only 7 left!

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

    View full details
    $9.63 - $62.62
    $9.63 - $62.62
    $9.63 - $62.62
    $9.63
  • 5/16"-18 x 3" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws
    $12.70 - $52.92
    $12.70 - $52.92
    $12.70 - $52.92
    $12.70

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

    Monster Fastener
    10+ in stock

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

    View full details
    $12.70 - $52.92
    $12.70 - $52.92
    $12.70 - $52.92
    $12.70
  • 5/16"-18 x 3" Zinc Plated Grade 8 Steel Coarse Thread Hex Cap Screws
    $13.80 - $32.86
    $13.80 - $32.86
    $13.80 - $32.86
    $13.80

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

    Monster Fastener
    10+ in stock

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

    View full details
    $13.80 - $32.86
    $13.80 - $32.86
    $13.80 - $32.86
    $13.80
  • 5/16"-18 x 3" Zinc Plated Steel Coarse Thread Slotted Round Head Toggle Bolts
    $21.97 - $21.97
    $21.97
    $21.97 - $21.97
    $21.97

    5/16"-18 x 3" Zinc Plated Slotted Round Head Toggle Bolts (25 pcs)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Round (Slotted)Drill Size: 7/8"Thread Size: 18 (Coarse)Style: Spring Toggle WingTyp...

    View full details
    $21.97 - $21.97
    $21.97
    $21.97 - $21.97
    $21.97
  • 5/16"-18 x 3" Zinc Plated Steel Coarse Full Thread Hex Head Tap Bolts
    $11.18 - $26.71
    $11.18 - $26.71
    $11.18 - $26.71
    $11.18

    5/16"-18 x 3" Zinc Plated Steel Coarse Full Thread Hex Head Tap Bolts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Style: Full ThreadType: Tap BoltA tap bolt...

    View full details
    $11.18 - $26.71
    $11.18 - $26.71
    $11.18 - $26.71
    $11.18
  • 5/16"-18 x 3" Zinc Plated Steel Coarse Full Thread Hex Head Tap Bolts
    $10.97 - $10.97
    $10.97
    $10.97 - $10.97
    $10.97

    5/16"-18 x 3" Zinc Plated Steel Coarse Full Thread Hex Head Tap Bolts (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Hex (1/2" Wrench)Thread Size: 18 (Coarse)Style: Full ThreadType: Tap BoltBox of 8.A...

    View full details
    $10.97 - $10.97
    $10.97
    $10.97 - $10.97
    $10.97
  • 5/16"-18 x 3" Zinc Plated Steel Coarse Thread J Bolts
    $12.74 - $12.74
    $12.74
    $12.74 - $12.74
    $12.74

    5/16"-18 x 3" Zinc Plated Steel Coarse Thread J Bolts (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincThread Size: 18 (Coarse)Type: J BoltBox of 6.

    $12.74 - $12.74
    $12.74
    $12.74 - $12.74
    $12.74
  • 5/16"-18 x 3" Zinc Plated Steel Coarse Thread Phillips Pan Head Machine Screws
    $10.77 - $12.64
    $10.77 - $12.64
    $10.77 - $12.64
    $10.77

    5/16"-18 x 3" Zinc Plated Steel Coarse Thread Phillips Pan Head Machine Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Pan (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewA machi...

    View full details
    $10.77 - $12.64
    $10.77 - $12.64
    $10.77 - $12.64
    $10.77
  • 5/16"-18 x 3" Zinc Plated Steel Coarse Thread Slotted Flat Head Stove Bolts
    $10.47 - $10.79
    $10.47 - $10.79
    $10.47 - $10.79
    $10.47

    5/16"-18 x 3" Zinc Plated Steel Coarse Thread Slotted Flat Head Stove Bolts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Flat (Slotted)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewA machi...

    View full details
    $10.47 - $10.79
    $10.47 - $10.79
    $10.47 - $10.79
    $10.47
  • 5/16"-18 x 3" Zinc Plated Steel Coarse Thread Slotted Round Head Stove Bolts
    $10.34 - $10.79
    $10.34 - $10.79
    $10.34 - $10.79
    $10.34

    5/16"-18 x 3" Zinc Plated Steel Coarse Thread Slotted Round Head Stove Bolts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincHead Style: Round (Slotted)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewA mach...

    View full details
    $10.34 - $10.79
    $10.34 - $10.79
    $10.34 - $10.79
    $10.34
  • 5/16"-18 x 3" Zinc Plated Steel Coase Thread J-Bolt w/ Nut
    $12.98 - $12.98
    $12.98
    $12.98 - $12.98
    $12.98

    5/16"-18 x 3" Zinc Plated Steel Coase Thread J-Bolt w/ Nut (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: SteelFinish: ZincThread Size: 18 (Coarse)Type: J BoltBox of 10.

    $12.98 - $12.98
    $12.98
    $12.98 - $12.98
    $12.98
  • 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...

    View full details
    $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...

    View full details
    $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...

    View full details
    $22.33 - $22.33
    $22.33
    $22.33 - $22.33
    $22.33