Head: The top of the screw, which includes the drive. Shank: The smooth area of the fastener between the head and the thread. Screw types vary and some screws do not have a smooth shank.

After a long development period, [Ivan] has finally perfected his screw drive tank. This is something that’s been in the works for a long time. It’s a primarily 3D-printed build, showing just ...

Although I own and stock dozens of different types of screws ... that make this screw so expensive is how precisely its built. Its Phillips head slot is deep and crisp and a drive bit settles ...