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Assembly Screw — Funnel Head Countersunk | Pack of 1000

$34.96

A self-countersinking assembly screw engineered for structural carcase construction in board materials.

Manufactured to a 4mm diameter with a zinc coating, this funnel head screw eliminates the need for pre-countersinking — the head geometry draws flush into the material under torque. The hi/lo thread profile delivers a high-torque, vibration-resistant fix suited to plywood, MDF, and chipboard. Precision manufactured in Taiwan to consistent dimensional tolerances.

Product Details

  • Material: Carbon steel with zinc coating
  • Finish: Zinc (corrosion resistant)
  • Head type: Funnel head countersunk (self-countersinking)
  • Drive: Pozi head
  • Diameter: 4mm
  • Available lengths: 28mm, 45mm
  • Pack quantity: 1,000 pieces

Best For

Carcase assembly in flat-pack and site-built cabinetry where speed and structural integrity are priorities. Suited to joiners and cabinet makers working with MDF, chipboard, or plywood who need a reliable, high-volume fixing without countersink preparation. The zinc finish makes these appropriate for interior dry environments.