The most common types of heads for screws are pan head, round head, and hex head.

• A. True
• B. False
• C. Pan head only
• D. Hex head only

Answer: (A)

This statement is true. Understanding screw head styles helps you predict how a fastener will sit and how much torque you can apply. Pan head screws have a slightly rounded top with a flat underside, giving good load distribution and a low-profile, seated look—common where you want the head to sit above the surface and still be easy to drive. Round head screws feature a smooth domed top, offering a neat, rounded appearance and are often used when a more finished look is desired on exposed surfaces. Hex head screws have an external hex shape that accepts a wrench or socket, enabling high torque and sturdy seating, which makes them a standard choice for many machine-screw and bolt applications. Together, these three head types cover the main ways fasteners interact with parts and tools in everyday metalworking, so they’re among the most commonly encountered screw head styles. There are other head styles as well, such as flat countersunk, button, washer, and socket-driven heads, but pan, round, and hex heads appear most frequently in practice.