THE BEST SIDE OF TYPES OF SCREW HEADS

you almost certainly know the slotted screw head much better than the flathead screw. a single prolonged slit allows for the flat screwdriver to generally be inserted. You can use a Robertson’s bit to drive it or use a Particular one particular for the double-square for increased torque software. The top on the screw contains a recessed hexagon

Breakaway head The breakaway head (also referred to as breakoff or shear fastener)[70] is usually a superior-stability fastener whose head breaks off all through set up, all through or right away after the driving procedure, to leave only a smooth surface. It generally contains a countersunk flat-head bolt, with a skinny shank and hex head protrudi