NOT KNOWN FACTUAL STATEMENTS ABOUT TYPES OF SCREW HEADS

This recess creates higher torque and higher simplicity in driving the screw, even at high speeds. while this structure is new, it’s turning into much more well-known. Slotted- slotted generate screws are extremely commonly applied and simple to discover. The slotted recess features a straight line from the middle in the screw's head. Flathea