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.