LITTLE KNOWN FACTS ABOUT TYPES OF SCREW HEADS.

you could possibly be amazed at the quantity of distinct types of screws that exist. regardless of The task, there is a screwhead made for a specific objective. Slotted- slotted push screws are very typically utilised and straightforward to seek out. The slotted recess features a straight line with the Center from the screw's head. Flathead screw