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  • 5/16"-18 x 8" Zinc Plated Grade 2 / A307 Steel Coarse Thread Hex Bolts
    $37.90 - $37.90
    $37.90
    $37.90 - $37.90
    $37.90

    5/16"-18 x 8" Zinc Plated Grade 2 / A307 Hex Bolts (61 pcs)

    Monster Fastener
    10+ in stock

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

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    $37.90 - $37.90
    $37.90
    $37.90 - $37.90
    $37.90
  • 5/16"-18 x 8" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts
    $46.05 - $46.05
    $46.05
    $46.05 - $46.05
    $46.05

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

    Monster Fastener
    Only 5 left!

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

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    $46.05 - $46.05
    $46.05
    $46.05 - $46.05
    $46.05
  • 5/16"-18 x 8" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws
    $76.92 - $76.92
    $76.92
    $76.92 - $76.92
    $76.92

    5/16"-18 x 8" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws (50 pcs.)

    Monster Fastener
    10+ in stock

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

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    $76.92 - $76.92
    $76.92
    $76.92 - $76.92
    $76.92
  • 5/16"-18 x 9/16" 18-8 Stainless Steel Coarse Thread Jam Nuts
    $9.83 - $9.83
    $9.83
    $9.83 - $9.83
    $9.83

    5/16"-18 x 9/16" 18-8 Stainless Jam Nuts (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 3/16"Material: Stainless SteelDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Shape: Jam NutHardness: 18...

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    $9.83 - $9.83
    $9.83
    $9.83 - $9.83
    $9.83
  • 5/16"-18 x 9/16" Zinc Plated Steel Coarse Thread Hex Jam Nuts
    $9.15 - $11.28
    $9.15 - $11.28
    $9.15 - $11.28
    $9.15

    5/16"-18 x 9/16" Zinc Plated Steel Coarse Thread Hex Jam Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 3/16"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Shape: Jam NutType: Jam ...

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    $9.15 - $11.28
    $9.15 - $11.28
    $9.15 - $11.28
    $9.15
  • 5/16"-18 x 9/32" x 5/8" x 7" Zinc Plated Steel Coarse Thread J-Bolt
    $15.97 - $15.97
    $15.97
    $15.97 - $15.97
    $15.97

    5/16"-18 x 9/32" x 5/8" x 7" Zinc Plated Steel Coarse Thread J-Bolt (10 pcs.)

    Monster Fastener
    Only 3 left!

    Diameter: 9/32"Length: 7"Material: SteelFinish: ZincThread Size: 18 (Coarse)Type: J BoltBox of 10.

    $15.97 - $15.97
    $15.97
    $15.97 - $15.97
    $15.97
  • 5/16"-18 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $13.56 - $13.56
    $13.56
    $13.56 - $13.56
    $13.56

    5/16"-18 Zinc Case Hardened Hex Flange Nuts (32 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 11/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Case Hardened...

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    $13.56 - $13.56
    $13.56
    $13.56 - $13.56
    $13.56
  • 5/16"-18 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35

    5/16"-18 Zinc Case Hardened Hex Flange Nuts (396 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 11/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Case Hardened...

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    $32.35 - $32.35
    $32.35
    $32.35 - $32.35
    $32.35
  • 5/16"-18 Zinc Plated Steel Coarse Thread Free Spinning Washer Nuts
    Sold out
    $30.86 - $30.86
    $30.86
    $30.86 - $30.86
    $30.86

    5/16"-18 Zinc Free Spinning Washer Nuts (50 pcs.)

    Monster Fastener
    Out of stock

    Diameter: 5/16"Material: SteelFinish: ZincThread Size: 18 (Coarse)Style: Free Spinning WasherType: Lock NutBox of 50.A lock nut is a nut that resis...

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    $30.86 - $30.86
    $30.86
    $30.86 - $30.86
    $30.86
    Sold out
  • 5/16"-18 Zinc Plated Grade 8 Steel Blue Rinsed Coarse Thread Hex Nuts
    $29.77 - $29.77
    $29.77
    $29.77 - $29.77
    $29.77

    5/16"-18 Zinc Grade 8 Blue Rinsed Hex Nuts (488 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: Blue Rinsed ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: G...

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    $29.77 - $29.77
    $29.77
    $29.77 - $29.77
    $29.77
  • 5/16"-18 Zinc Plated Grade 8 Steel Coarse Thread Flange Nuts Bolts
    $14.54 - $14.54
    $14.54
    $14.54 - $14.54
    $14.54

    5/16"-18 Zinc Grade 8 Flange Nuts Bolts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 21/32"Thickness: 9/32"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade ...

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    $14.54 - $14.54
    $14.54
    $14.54 - $14.54
    $14.54
  • 5/16"-18 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts
    $12.42 - $12.42
    $12.42
    $12.42 - $12.42
    $12.42

    5/16"-18 Zinc Grade 8 Nylon Insert Lock Nuts (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: Yellow ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade ...

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    $12.42 - $12.42
    $12.42
    $12.42 - $12.42
    $12.42
  • 5/16"-18 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts
    $10.09 - $11.71
    $10.09 - $11.71
    $10.09 - $11.71
    $10.09

    5/16"-18 Zinc Plated Case Hardened Steel Coarse Thread Hex Flange Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 11/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Case Hardened...

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    $10.09 - $11.71
    $10.09 - $11.71
    $10.09 - $11.71
    $10.09
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Finished Hex Nuts
    $9.93 - $86.27
    $9.93 - $86.27
    $9.93 - $86.27
    $9.93

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Finished Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Type: Hex NutHex nuts a...

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    $9.93 - $86.27
    $9.93 - $86.27
    $9.93 - $86.27
    $9.93
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Finished Hex Nuts
    $9.07 - $11.26
    $9.07 - $11.26
    $9.07 - $11.26
    $9.07

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Finished Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Type: Hex NutHex nuts a...

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    $9.07 - $11.26
    $9.07 - $11.26
    $9.07 - $11.26
    $9.07
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Heavy Hex Nuts
    $8.44 - $39.93
    $8.44 - $39.93
    $8.44 - $39.93
    $8.44

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Heavy Hex Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 5/8"Thickness: 19/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...

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    $8.44 - $39.93
    $8.44 - $39.93
    $8.44 - $39.93
    $8.44
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Heavy Hex Nuts
    $10.71 - $10.71
    $10.71
    $10.71 - $10.71
    $10.71

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Heavy Hex Nuts (24 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 5/8"Thickness: 19/64"Material: SteelFinish: ZincDriver Type: 9/16" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...

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    $10.71 - $10.71
    $10.71
    $10.71 - $10.71
    $10.71
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Hex Machine Screw Nuts
    $10.29 - $11.58
    $10.29 - $11.58
    $10.29 - $11.58
    $10.29

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Hex Machine Screw Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Thickness: 7/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Type: Hex NutHex nuts ar...

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    $10.29 - $11.58
    $10.29 - $11.58
    $10.29 - $11.58
    $10.29
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
    $10.56 - $18.12
    $10.56 - $18.12
    $10.56 - $18.12
    $10.56

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...

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    $10.56 - $18.12
    $10.56 - $18.12
    $10.56 - $18.12
    $10.56
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts
    $10.86 - $10.86
    $10.86
    $10.86 - $10.86
    $10.86

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Kep Lock Nuts (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...

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    $10.86 - $10.86
    $10.86
    $10.86 - $10.86
    $10.86
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
    $9.81 - $14.17
    $9.81 - $14.17
    $9.81 - $14.17
    $9.81

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 17/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...

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    $9.81 - $14.17
    $9.81 - $14.17
    $9.81 - $14.17
    $9.81
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts
    $11.84 - $11.84
    $11.84
    $11.84 - $11.84
    $11.84

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Lock Nuts (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 9/32"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style: ...

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    $11.84 - $11.84
    $11.84
    $11.84 - $11.84
    $11.84
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $13.31 - $13.31
    $13.31
    $13.31 - $13.31
    $13.31

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...

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    $13.31 - $13.31
    $13.31
    $13.31 - $13.31
    $13.31
  • 5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts
    $9.81 - $12.19
    $9.81 - $12.19
    $9.81 - $12.19
    $9.81

    5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 23/64"Material: SteelFinish: ZincDriver Type: 1/2" WrenchThread Size: 18 (Coarse)Hardness: Grade 2Style:...

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    $9.81 - $12.19
    $9.81 - $12.19
    $9.81 - $12.19
    $9.81