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  • 4mm Blind Insert Nut Tools
    $14.42 - $14.42
    $14.42
    $14.42 - $14.42
    $14.42

    4mm Blind Insert Nut Tools (4 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmStyle: Blind Insert Nut ToolType: ToolBox of 4.

    $14.42 - $14.42
    $14.42
    $14.42 - $14.42
    $14.42
  • 4mm Plain Steel Metric E-Clips
    $9.45 - $9.45
    $9.45
    $9.45 - $9.45
    $9.45

    4mm Plain Steel Metric E-Clips (25 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmMaterial: SteelFinish: PlainType: E-ClipBox of 25.An e-clip is used by industrial laypersons and military mechanics to refer to any fa...

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    $9.45 - $9.45
    $9.45
    $9.45 - $9.45
    $9.45
  • 4mm x 11mm Zinc Plated Steel Push Nut Washers
    $10.36 - $10.36
    $10.36
    $10.36 - $10.36
    $10.36

    4mm x 11mm Zinc Plated Steel Push Nut Washers (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmDiameter 2: 11mmThickness: 1.4mmMaterial: SteelFinish: ZincType: Push NutBox of 20.Instead of threads a push nut uses flanges facing i...

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    $10.36 - $10.36
    $10.36
    $10.36 - $10.36
    $10.36
  • 4mm x 12mm Plain Steel Dowel Pins
    $10.16 - $10.16
    $10.16
    $10.16 - $10.16
    $10.16

    4mm x 12mm Plain Steel Dowel Pins (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 12mmMaterial: SteelFinish: PlainType: Dowel PinBox of 6.Dowel pins are dowel rods cut into short lengths, and they are used as...

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    $10.16 - $10.16
    $10.16
    $10.16 - $10.16
    $10.16
  • 4mm x 12mm Plain Steel Tension Pins
    $8.98 - $8.98
    $8.98
    $8.98 - $8.98
    $8.98

    4mm x 12mm Plain Steel Tension Pins (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 12mmMaterial: SteelFinish: PlainType: Tension PinBox of 15.A tension pin is similar to a cotter pin, but it has very little pl...

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    $8.98 - $8.98
    $8.98
    $8.98 - $8.98
    $8.98
  • 4mm x 15mm Hex Head Thread Cutting Nuts
    $9.77 - $9.77
    $9.77
    $9.77 - $9.77
    $9.77

    4mm x 15mm Hex Head Thread Cutting Nuts (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 15mmHead Style: HexType: Thread Cutting NutBox of 12.

    $9.77 - $9.77
    $9.77
    $9.77 - $9.77
    $9.77
  • 4mm x 16mm Plain Steel Tension Pins
    $9.18 - $9.18
    $9.18
    $9.18 - $9.18
    $9.18

    4mm x 16mm Plain Steel Tension Pins (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 16mmMaterial: SteelFinish: PlainType: Tension PinBox of 15.A tension pin is similar to a cotter pin, but it has very little pl...

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    $9.18 - $9.18
    $9.18
    $9.18 - $9.18
    $9.18
  • 4mm x 20mm Black Oxide Steel Indented Hex Washer Head Sheet Metal Screws
    $10.70 - $10.70
    $10.70
    $10.70 - $10.70
    $10.70

    4mm x 20mm Black Oxide Indented Hex Washer Head Sheet Metal Screws (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 20mmMaterial: SteelFinish: Black OxideHead Style: Indented Hex Washer (Hex)Thread Length: FullType: Sheet Metal ScrewBox of 10...

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    $10.70 - $10.70
    $10.70
    $10.70 - $10.70
    $10.70
  • 4mm x 20mm Plain Steel Dowel Pins
    $10.28 - $10.28
    $10.28
    $10.28 - $10.28
    $10.28

    4mm x 20mm Plain Steel Dowel Pins (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 20mmMaterial: SteelFinish: PlainType: Dowel PinBox of 6.Dowel pins are dowel rods cut into short lengths, and they are used as...

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    $10.28 - $10.28
    $10.28
    $10.28 - $10.28
    $10.28
  • 4mm x 20mm Plain Steel Tension Pins
    $8.90 - $8.90
    $8.90
    $8.90 - $8.90
    $8.90

    4mm x 20mm Plain Steel Tension Pins (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 20mmMaterial: SteelFinish: PlainType: Tension PinBox of 12.A tension pin is similar to a cotter pin, but it has very little pl...

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    $8.90 - $8.90
    $8.90
    $8.90 - $8.90
    $8.90
  • 4mm x 25mm Plain Steel Dowel Pins
    $10.42 - $10.42
    $10.42
    $10.42 - $10.42
    $10.42

    4mm x 25mm Plain Steel Dowel Pins (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 25mmMaterial: SteelFinish: PlainType: Dowel PinBox of 6.Dowel pins are dowel rods cut into short lengths, and they are used as...

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    $10.42 - $10.42
    $10.42
    $10.42 - $10.42
    $10.42
  • 4mm x 25mm Zinc Plated Steel Metric Cotter Pins
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    4mm x 25mm Zinc Plated Steel Metric Cotter Pins (35 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 25mmMaterial: SteelFinish: ZincStyle: Extended ProngType: Cotter PinBox of 35.A cotter pin is a split pin with two tines that ...

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    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • 4mm x 32mm Zinc Plated Steel Metric Cotter Pins
    $14.70 - $14.70
    $14.70
    $14.70 - $14.70
    $14.70

    4mm x 32mm Zinc Plated Steel Metric Cotter Pins

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 32mmMaterial: SteelFinish: ZincStyle: Extended ProngType: Cotter PinA cotter pin is a split pin with two tines that are bent d...

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    $14.70 - $14.70
    $14.70
    $14.70 - $14.70
    $14.70
  • 4mm x 40mm Zinc Plated Steel Metric Cotter Pins
    $11.18 - $11.18
    $11.18
    $11.18 - $11.18
    $11.18

    4mm x 40mm Zinc Plated Steel Metric Cotter Pins (25 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 40mmMaterial: SteelFinish: ZincStyle: Extended ProngType: Cotter PinBox of 25.A cotter pin is a split pin with two tines that ...

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    $11.18 - $11.18
    $11.18
    $11.18 - $11.18
    $11.18
  • 4mm x 4mm x 25mm Square Machine Keys
    $13.73 - $13.73
    $13.73
    $13.73 - $13.73
    $13.73

    4mm x 4mm x 25mm Square Machine Keys (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmDiameter 2: 4mmLength: 25mmShape: SquareType: Machine KeyBox of 15.

    $13.73 - $13.73
    $13.73
    $13.73 - $13.73
    $13.73
  • 4mm x 4mm x 40mm Square Machine Keys
    $13.62 - $13.62
    $13.62
    $13.62 - $13.62
    $13.62

    4mm x 4mm x 40mm Square Machine Keys (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmDiameter 2: 4mmLength: 40mmShape: SquareType: Machine KeyBox of 12.

    $13.62 - $13.62
    $13.62
    $13.62 - $13.62
    $13.62
  • 4mm x 4mm x 50mm Square Machine Keys
    $13.16 - $13.16
    $13.16
    $13.16 - $13.16
    $13.16

    4mm x 4mm x 50mm Square Machine Keys (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmDiameter 2: 4mmLength: 50mmShape: SquareType: Machine KeyBox of 10.

    $13.16 - $13.16
    $13.16
    $13.16 - $13.16
    $13.16
  • 4mm x 50mm Zinc Plated Steel Metric Cotter Pins
    $10.65 - $10.65
    $10.65
    $10.65 - $10.65
    $10.65

    4mm x 50mm Zinc Plated Steel Metric Cotter Pins (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 50mmMaterial: SteelFinish: ZincStyle: Extended ProngType: Cotter PinBox of 20.A cotter pin is a split pin with two tines that ...

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    $10.65 - $10.65
    $10.65
    $10.65 - $10.65
    $10.65
  • 4mm x 5mm Zinc Plated Steel Woodruff Keys
    $10.30 - $10.30
    $10.30
    $10.30 - $10.30
    $10.30

    4mm x 5mm Zinc Plated Steel Woodruff Keys (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 5mmMaterial: SteelFinish: ZincShape: WoodruffType: Woodruff KeyBox of 5.A woodruff key or half-moon key, is a semicircular sha...

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    $10.30 - $10.30
    $10.30
    $10.30 - $10.30
    $10.30
  • 4mm x 6.5mm Zinc Plated Steel Woodruff Keys
    $10.47 - $10.47
    $10.47
    $10.47 - $10.47
    $10.47

    4mm x 6.5mm Zinc Plated Steel Woodruff Keys (5 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmLength: 6.5mmMaterial: SteelFinish: ZincShape: WoodruffType: Woodruff KeyBox of 5.A woodruff key or half-moon key, is a semicircular s...

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    $10.47 - $10.47
    $10.47
    $10.47 - $10.47
    $10.47
  • 4mm x 6.8mm Zinc Plated Steel Safety Lock Washers
    $9.11 - $10.17
    $9.11 - $10.17
    $9.11 - $10.17
    $9.11

    4mm x 6.8mm Zinc Plated Steel Safety Lock Washers

    Monster Fastener
    10+ in stock

    Diameter: 4mmDiameter 2: 6.8mmThickness: .5mmMaterial: SteelFinish: ZincStyle: SafetyType: Lock WasherThe purpose for a lock washer is to prevent t...

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    $9.11 - $10.17
    $9.11 - $10.17
    $9.11 - $10.17
    $9.11
  • 4mm x 6mm x 10mm Zinc Plated Steel Spacers
    $10.19 - $10.19
    $10.19
    $10.19 - $10.19
    $10.19

    4mm x 6mm x 10mm Zinc Plated Steel Spacers (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmDiameter 2: 6mmLength: 10mmMaterial: SteelFinish: ZincType: SpacerBox of 6.A spacer is generally something used to create a space betw...

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    $10.19 - $10.19
    $10.19
    $10.19 - $10.19
    $10.19
  • 4mm x 6mm x 20mm Zinc Plated Steel Spacers
    $10.63 - $10.63
    $10.63
    $10.63 - $10.63
    $10.63

    4mm x 6mm x 20mm Zinc Plated Steel Spacers (6 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmDiameter 2: 6mmLength: 20mmMaterial: SteelFinish: ZincType: SpacerBox of 6.A spacer is generally something used to create a space betw...

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    $10.63 - $10.63
    $10.63
    $10.63 - $10.63
    $10.63
  • 4mm x 6mm x 8mm Plain Steel Spacers
    $10.61 - $10.61
    $10.61
    $10.61 - $10.61
    $10.61

    4mm x 6mm x 8mm Plain Steel Spacers (8 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 4mmDiameter 2: 6mmLength: 8mmMaterial: SteelFinish: PlainType: SpacerBox of 8.A spacer is generally something used to create a space betw...

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    $10.61 - $10.61
    $10.61
    $10.61 - $10.61
    $10.61