Cam-out
When a driver bit slips out of a screw recess under torque—and why matching Phillips (PH) or Pozidriv (PZ) matters.
Screws, Nails & Anchors
Glossary
Short definitions for terms used in this section.
Countersink
A shaped recess that lets a screw head sit flush or below the surface.
Pilot hole
A small drilled hole that guides a screw and reduces splitting.
Screw gauge
A size number that describes screw thickness in some screw systems.
Wall plug
An insert that helps a screw grip in a drilled wall hole.