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. Thread: The ridge that wraps around the cylinder and forms a helix.

There is an entire world beyond slotted and Phillips head screws. Learn your screw types and a whole lot more about the history of screws. For each screw drive type, from ancient Slot through to ...

copper; repairing stripped screw holes. Lee Gilliam travels to Austin, Texas to help a homeowner add drip line to her existing sprinkler spray head system ... t want to mix types of irrigation ...