DETAILED NOTES ON TYPES OF SCREW HEADS

This type of screw is usually a non-structural fastener. It is meant to generally be tightened and loosened by hand utilizing the ridged sides. Some also are made by using a important-like flat facet or fashioned for flat or Phillip head screwdrivers. frequently often called a hex socket, this screw head has a hexagonal recess at the top of your s