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4mm High Tensile Countersunk Bolts M4x20mm Black 50 Pack Socket Allen Head

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M4 x 20mm Countersunk Socket Screws - Black High Tensile 10.9 - Pack of 50

$4.55

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Pack of 50 M4 x 20mm countersunk socket screws in black high tensile grade 10.9. The flush-fitting countersunk head and hexagon socket drive provide a strong, secure fixing with a clean, low-profile finish.

  • Size: M4 x 20mm (length measured including head)
  • Thread pitch: 0.7mm metric
  • Head type: Countersunk (CSK) - flush fitting
  • Drive: Hexagon socket (Allen key / hex key)
  • Grade: High tensile 10.9
  • Finish: Black oxide
  • Pack quantity: 50 screws
  • Suitable for a wide range of engineering and assembly applications
  • Not suitable for replacement in safety-critical or structural applications without engineering approval

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