#12 Dekfast™ Purlin Self-Drill Screw, Square #3, Pancake, DF-12-SQ3
Features and Benefits
- Extra stable #3 square drive provides superior bit engagement
- Drill point design prevents fastener walking
- 24 threads per inch allow for easier driving of the fastener and greater pull-out values
- Shank diameter is smaller than that of the drill point and the outside thread diameter, allowing thick metal to be drilled and cleared of chips before threads tap into metal
- Cathodic epoxy e-coat
Application
For retrofit roofing where heavy gauge purlin material must be penetrated
Approvals
FM approved
Miami-Dade County approved: 16-0712.08
State of Florida: FL20311
Guidance
Install fasteners with 1800-2500 rpm screw equipped with depth sensing nosepiece. The standard carton package includes one square drive bit #3.
Up to 1/4" purlin steel
- Steel thickness from 18 ga (0.048 in.) through 1/4" (0.250")
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