Scorpion hex head self-drilling screws comply with ASTM C1513 for cold-formed steel framing connections. Salt spray tested according to ASTM B117 for 1000 hours; 15 cycles Kesternich per DIN 50018; no red rust. Approved for use in non-coastal areas with all pressure treated lumbers including ACQ.

• Use a standard screw gun with a depth-sensitive nose piece and use extra caution when installing with impact drivers. Suggested screw gun specification for optimal performance - Size #6 - #10 up to 2,500 RPM.
• The Bugle Head is fully seated when the top of the head is flush with the work surface.
• The fastener must penetrate beyond the metal a minimum of three full threads.
• Overdriving my result in fastener failure or strip out of the work surface.

Drywall or sheathing attachment to steel 33 mil or thicker.

©2012 GRABBER Construction Products, Inc. Scorpion® is a registered trademark of Grabber Construction Products, Inc.