Phillips Modified Truss Self Tapping Screw, Plated
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Phillips Modified Truss Self Tapping Screw, Plated

Self-tapping screws are fasteners that have a tapered point allowing the screw to thread itself into a pre-drilled hole, though some softer materials may not require pre-drilling. Self-piercing screws are a form of self-tapping screw that have sharper point to pierce through thin metal without pre-drilling, or to easily enter softer materials. The threads taper down to the point, allowing the screw to form threads into the material as the screw is installed. Phillips modified truss head screws have an oversized, flanged head, and are often called K-Lath screws . Phillips modified truss head self-piercing screws listed here have a zinc plated finish for added corrosion protection. 

Dimensional SpecificationsModified Truss Self Tapping Screws

Modified Truss Threads for Self Tapping Screws dimensions
Nominal
Size
Threads
per Inch
D d
Major Diameter Minor Diameter
Max Min Max Min
#8 15 0.168 0.162 0.123 0.116
  1. Tolerance on Length: +/- 0.05.
  2. NOTE: There is no single standard for drywall screw dimensions. These values are offered as a guide; deviations from these specifications may occur.
  3. All dimensions are in inches.
Modified Truss Head for Self-Tapping Screws dimensions
Nominal
Size
Threads
per Inch
B H Phillips
Drive
Size
Overall
Head
Diameter
Total Head
Height
Max Min Max Min
#8 15 0.446 0.426 0.098 0.082 2
  1. All dimensions are in inches.
Phillips Modified Truss Self Tapping Screw, Plated
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Diameter Thread Pitch Length Item # Availability Price Quantity UOM
#8 15 1 1/4 TMPP 80125 In Stock $0.03821/EA EA