Drilling / Machine / Tapping Screw / Sems
 
Ind. Hex Washer Head Self Drilling Screw with/without EPDM Bonded Washer,
  Self Drilling Screw With Wing Point
 
 
Wing Screw, Thumb Screw, Sems
 
 
Machine Screw, Furniture Screw
 
 
Tapping Screw / Trilobular Thread Rolling Screw /
  Thread Cutting Screw / Concrete Screw
 
 
Case Hardened 6-lobe Flat Head Floor
  Screw Type F