types of screw heads - An Overview
Slotted- slotted travel screws are really usually utilized and straightforward to find. The slotted recess incorporates a straight line in the Center on the screw's head. Flathead screwdrivers or drills with flathead bits are appropriate. Slotted screws are typical for jobs the place nominal torque is needed. Other screw brands of the 1930s reje