Self-drilling Screws Hex Washer Head

Self-drilling Screws Hex Washer Head
  • Labour Saving Drills hole,forms mating thread and clamps home in one easy operation.No more need for drifficult alignment of two or more elements.Material Saving Eliminates power drills,drill bits and elaborate and costly press tools,machine taps and their maintenance.Only one tool required - the screw driver.Improves Product Quality Ensures correct hole size every time,resulting in better thread engagement and tighter clamp.
  • Diameter:
  • From 4.2mm to 6.3mm,From #8 to #14
  • Length:
  • From 13mm to 152mm Or From 1/2" to 6"
  • Coating:
  • Zinc,Yellow Zinc,Decromet
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