Hex Washer Head /Point 4# & 5# Self-Drilling Screws  

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Hex Washer Head /Point 4# & 5# Self-Drilling Screws
 
Product Description:
  • Provide much beter gripping and connection.
  • Self drilling screw have a hardened drill point that will drill and thread in structural steel and mild steel.
  • Avoid poor drilling performance and difficulty in fixing with possibility of skidding and scratching on roofing surface.
  • Diameter available from #12.
Product Specifications
PART NO. SIZE IFI SIZE DIN POINT NO.
HWSP1222 12# -24X7/8 5.5-24X22 4#
HWSP1232 12# -24X1-1/4 5.5-24X32  
HWSP1238 12# -24X1-1/2 5.5-24X38  
HWSP1250 12# -24X2 5.5-24X50 5#