NOT KNOWN DETAILS ABOUT TYPES OF SCREW HEADS FOR SCREWDRIVERS

A non-countersunk screw head is when the head with the screw is thoroughly exposed exterior your workpiece/materials.– Intended to enable screw cam out: screwdriver slips from screw head if excessive torque is usedPresents a flush, seamless area, or marginally down below the surface area with a slotted screw head. Flat head screw types will often