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Flat Head Machine Screws

  • 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 2" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $9.84 - $11.84
    $9.84 - $11.84
    $9.84 - $11.84
    $9.84

    5/16"-18 x 2" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 2"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewA mach...

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    $9.84 - $11.84
    $9.84 - $11.84
    $9.84 - $11.84
    $9.84
  • 5/16"-18 x 1" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $9.48 - $18.36
    $9.48 - $18.36
    $9.48 - $18.36
    $9.48

    5/16"-18 x 1" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws

    Monster Fastener
    Only 4 left!

    Diameter: 5/16"Length: 1"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewA mach...

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    $9.48 - $18.36
    $9.48 - $18.36
    $9.48 - $18.36
    $9.48
  • 5/16"-18 x 6" 18-8 Stainless Steel Coarse Thread Phillips Flat Head Machine Screws
    $21.76 - $21.76
    $21.76
    $21.76 - $21.76
    $21.76

    5/16"-18 x 6" 18-8 Stainless Phillips Flat Head Machine Screws (3 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 6"Material: Stainless SteelHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Type: Machine...

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    $21.76 - $21.76
    $21.76
    $21.76 - $21.76
    $21.76
  • 5/16"-18 x 5" 18-8 Stainless Steel Coarse Thread Phillips Flat Head Machine Screws
    $25.03 - $25.03
    $25.03
    $25.03 - $25.03
    $25.03

    5/16"-18 x 5" 18-8 Stainless Phillips Flat Head Machine Screws (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 5"Material: Stainless SteelHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Type: Machine...

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    $25.03 - $25.03
    $25.03
    $25.03 - $25.03
    $25.03
  • 5/16"-18 x 1-1/2" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $9.25 - $14.47
    $9.25 - $14.47
    $9.25 - $14.47
    $9.25

    5/16"-18 x 1-1/2" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws

    Monster Fastener
    10+ in stock

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

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    $9.25 - $14.47
    $9.25 - $14.47
    $9.25 - $14.47
    $9.25
  • 5/16"-18 x 1-1/4" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $9.70 - $13.83
    $9.70 - $13.83
    $9.70 - $13.83
    $9.70

    5/16"-18 x 1-1/4" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1-1/4"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewA ...

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    $9.70 - $13.83
    $9.70 - $13.83
    $9.70 - $13.83
    $9.70
  • 5/16"-18 x 2-1/2" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $9.88 - $12.17
    $9.88 - $12.17
    $9.88 - $12.17
    $9.88

    5/16"-18 x 2-1/2" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws

    Monster Fastener
    10+ in stock

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

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    $9.88 - $12.17
    $9.88 - $12.17
    $9.88 - $12.17
    $9.88
  • 5/16"-18 x 3/4" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $8.85 - $16.77
    $8.85 - $16.77
    $8.85 - $16.77
    $8.85

    5/16"-18 x 3/4" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3/4"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewA ma...

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    $8.85 - $16.77
    $8.85 - $16.77
    $8.85 - $16.77
    $8.85
  • 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...

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    $15.28 - $15.28
    $15.28
    $15.28 - $15.28
    $15.28
  • 5/16"-18 x 2" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $13.08 - $13.08
    $13.08
    $13.08 - $13.08
    $13.08

    5/16"-18 x 2" Zinc Phillips Flat Head Machine Screws (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 2"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBox of...

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    $13.08 - $13.08
    $13.08
    $13.08 - $13.08
    $13.08
  • 5/16"-18 x 1" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $11.21 - $11.21
    $11.21
    $11.21 - $11.21
    $11.21

    5/16"-18 x 1" Zinc Phillips Flat Head Machine Screws (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBox of...

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    $11.21 - $11.21
    $11.21
    $11.21 - $11.21
    $11.21
  • 5/16"-18 x 3/4" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $10.80 - $10.80
    $10.80
    $10.80 - $10.80
    $10.80

    5/16"-18 x 3/4" Zinc Phillips Flat Head Machine Screws (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3/4"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBox ...

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    $10.80 - $10.80
    $10.80
    $10.80 - $10.80
    $10.80
  • 5/16"-18 x 1/2" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $10.12 - $10.12
    $10.12
    $10.12 - $10.12
    $10.12

    5/16"-18 x 1/2" Zinc Phillips Flat Head Machine Screws (12 pcs.)

    Monster Fastener
    10+ in stock

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

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    $10.12 - $10.12
    $10.12
    $10.12 - $10.12
    $10.12
  • 5/16"-18 x 1-3/4" Zinc Plated Steel Coarse Thread Phillips Flat Head Machine Screws
    $15.18 - $15.18
    $15.18
    $15.18 - $15.18
    $15.18

    5/16"-18 x 1-3/4" Zinc Phillips Flat Head Machine Screws (50 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1-3/4"Material: SteelFinish: ZincHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBo...

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    $15.18 - $15.18
    $15.18
    $15.18 - $15.18
    $15.18
  • 5/16"-18 x 2-1/2" 18-8 Stainless Steel Coarse Thread Phillips Flat Head Machine Screws
    $10.69 - $10.69
    $10.69
    $10.69 - $10.69
    $10.69

    5/16"-18 x 2-1/2" 18-8 Stainless Phillips Flat Head Machine Screws (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 2-1/2"Material: Stainless SteelHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Type: Mac...

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    $10.69 - $10.69
    $10.69
    $10.69 - $10.69
    $10.69
  • 5/16"-18 x 2" 18-8 Stainless Steel Coarse Thread Phillips Flat Head Machine Screws
    $11.08 - $11.08
    $11.08
    $11.08 - $11.08
    $11.08

    5/16"-18 x 2" 18-8 Stainless Phillips Flat Head Machine Screws (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 2"Material: Stainless SteelHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Type: Machine...

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    $11.08 - $11.08
    $11.08
    $11.08 - $11.08
    $11.08
  • 5/16"-18 x 1-1/2" 18-8 Stainless Steel Coarse Thread Phillips Flat Head Machine Screws
    $11.34 - $11.34
    $11.34
    $11.34 - $11.34
    $11.34

    5/16"-18 x 1-1/2" 18-8 Stainless Phillips Flat Head Machine Screws (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1-1/2"Material: Stainless SteelHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Type: Mac...

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    $11.34 - $11.34
    $11.34
    $11.34 - $11.34
    $11.34
  • 5/16"-18 x 1-1/4" 18-8 Stainless Steel Coarse Thread Phillips Flat Head Machine Screws
    $10.94 - $10.94
    $10.94
    $10.94 - $10.94
    $10.94

    5/16"-18 x 1-1/4" 18-8 Stainless Phillips Flat Head Machine Screws (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1-1/4"Material: Stainless SteelHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Type: Mac...

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    $10.94 - $10.94
    $10.94
    $10.94 - $10.94
    $10.94
  • 5/16"-18 x 4" 18-8 Stainless Steel Coarse Thread Phillips Flat Head Machine Screws
    $16.96 - $16.96
    $16.96
    $16.96 - $16.96
    $16.96

    5/16"-18 x 4" 18-8 Stainless Phillips Flat Head Machine Screws (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 4"Material: Stainless SteelHead Style: Flat (Phillips)Thread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Type: Machine...

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    $16.96 - $16.96
    $16.96
    $16.96 - $16.96
    $16.96
  • 5/16"-18 x 3" Brass Coarse Thread Slotted Flat Head Machine Screws
    $13.70 - $13.70
    $13.70
    $13.70 - $13.70
    $13.70

    5/16"-18 x 3" Brass Coarse Thread Slotted Flat Head Machine Screws (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 3"Material: BrassHead Style: Flat (Slotted)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBox of 4.A machine ...

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    $13.70 - $13.70
    $13.70
    $13.70 - $13.70
    $13.70
  • 5/16"-18 x 2" Brass Coarse Thread Slotted Flat Head Machine Screws
    $13.55 - $13.55
    $13.55
    $13.55 - $13.55
    $13.55

    5/16"-18 x 2" Brass Coarse Thread Slotted Flat Head Machine Screws (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 2"Material: BrassHead Style: Flat (Slotted)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBox of 6.A machine ...

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    $13.55 - $13.55
    $13.55
    $13.55 - $13.55
    $13.55
  • 5/16"-18 x 1-1/2" Brass Coarse Thread Slotted Flat Head Machine Screws
    $14.38 - $14.38
    $14.38
    $14.38 - $14.38
    $14.38

    5/16"-18 x 1-1/2" Brass Slotted Flat Head Machine Screws (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1-1/2"Material: BrassHead Style: Flat (Slotted)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBox of 8.A mach...

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    $14.38 - $14.38
    $14.38
    $14.38 - $14.38
    $14.38
  • 5/16"-18 x 1" Brass Coarse Thread Slotted Flat Head Machine Screws
    $14.52 - $14.52
    $14.52
    $14.52 - $14.52
    $14.52

    5/16"-18 x 1" Brass Coarse Thread Slotted Flat Head Machine Screws (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Length: 1"Material: BrassHead Style: Flat (Slotted)Thread Size: 18 (Coarse)Thread Length: FullType: Machine ScrewBox of 10.A machine...

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    $14.52 - $14.52
    $14.52
    $14.52 - $14.52
    $14.52