Fastener Retrodriller

THREADED DRILL POINT FASTENER

Fastener Retrodriller is a threaded drill point fastener used to attach Sarnafil® S 327 Membrane or Sikaplan® Fastened Membrane into structural steel purlins (1.6 mm - 2.6 mm), (12 ga - 16 ga).

  • The 13 mm (½ in) drill point allows the fastener to be drilled into the structural.
  • Designed to reduce point burnout and breakage as well as eliminate "jacking" between purlin and standing seam metal.
  • Low profile head with a smooth surface.