Drill-Tec™ Standard #12
Roofing Fastener
The Drill-Tec™ Standard #12 Roofing Fastener is designed to secure insulation
to steel (18 ga. – 24 ga.) and wood. It is available in lengths from 1-5/8” – 8”.
The Drill-Tec Standard Roofing Fastener is Factory Mutual and Dade County approved.
Specification
The fastener will be a Drill-Tec™ Standard #12 Roofing Fastener with a thread
diameter of .220. The fastener must have 12.5 buttress threads per inch and a 30°
spade point. Also, the fastener must be heat treated per specification OMG-1. The
Drill-Tec Standard Roofing Fastener will be used with a Factory Mutual approved,
Drill-Tec round pressure plate or pressure bar. The fastener must be Factory Mutual
approved and made in the U.S.
Coating Requirement
The fastener will be coated with the Drill-Tec CR-10 corrosion resistant coating.
When subjected to 30 Kesternich cycles (DIN 50018), the fastener must show less
than 15% red rust and surpass Factory Mutual Approval Standard 4470.
Application
The Drill-Tec Standard #12 Roofing Fastener must penetrate steel decks a minimum
of 3/4”. Using a screw gun, drive the fastener until the screw head is seated securely;
with very rigid insulation boards, watch for the plate to dimple. Plywood Deck the
screw must penetrate the deck a min of 1/2” wood plank a 1” min embedment is required.
Note: Be careful not to overdrive the fastener and fracture the
skin of the insulation. Fastener must be tight enough so that the plate doesn’t
turn. Factory Mutual requires that the fastener penetrate the steel deck at the
top flute.
Physical Data
Head Diameter: .435
Head Style: #3 Phillips Truss or 1/4” Hex Head
Thread Diameter: .220
Packaging: 1000/carton
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