Pan Head Machine Screw A structural pan head Phillips machine screw measuring 3 to 4 inches in total length with a 1/4-20 thread pitch. The extended length is designed to bridge significant air gaps or thick insulation layers behind mounting surfaces. The flat pan head provides a broad surface for secure clamping. Toggle wings are available in a 4-inch length. Designer’s Note Frequently paired with toggle wings for deep hollow ceiling mounting. Ensure you have clear depth behind the ceiling board before driving this fastener. The pan head is ideal for holding brackets perfectly flat against the mounting surface. Specifications Material Carbon Steel Finish Zinc-Plated Compatibility 1/4-20 Toggle Wings or Tapped Inserts Load Rating Exceeds standard drywall substrate limits Environment Indoor / Dry Location Only
