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Scorpion®

8 x 1-5/8-in Phillips Drive, Wafer Head, Hi-Lo ThreadScrews (5-LB)

Item Number: INSP158FP

Scorpion Type INSP wafer head hi-low thread screws are designed for attaching cement board and high density backer board to wood or light gauge (25-20 ga) metal. Countersinking nibs and wafer head seat flush.

Specifications

Application Cement Board to Metal or Wood
Bit Tip Phillips
Head Type Wafer Head
Thread Type High-Low Alternating
Coating NanoGard™
Point Type Spoon Point
Gauge 8
Metric Gauge 4.2
Length 1 5/8 in.
Head Diameter 0.4 in.
Package Type 5-LB
Threads Per Inch 16 Hi-Lo

Also available in

Available in other lengths

Benefits

  • The # 2 Phillips recess is a precision recess designed for better bit engagement resulting in less wobble or strip-out.
  • The wafer head with nibs provides better holding power in cement board to wood or light gauge metal applications. Special nibs self-countersink as the screw seats.
  • NanoGard™ exterior-grade coating provides additional protection against corrosion in most exterior applications.
  • Alternating or high-low threads and the spoon point help these cement board screws start faster and drive easier into wood and light gauge steel.

Recommended Application

Cement board attachment to light gauge steel or wood.

Installation Guidelines

  • Use a standard screw gun with a depth-sensitive nose piece. Suggested screw gun specification for optimal performance - Size #8 - #10 up to 4,000 RPM.
  • The wafer head is fully seated when the top of the head is flush with the substrate 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.

Special Features

Self-countersinking nibs

Trademark

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