A specialized piece of tooling designed to hold a workpiece securely while physically guiding the cutting tool into the correct position. Unlike a standard fixture, which only holds the part, a jig directly controls the tool's path, most commonly using drill bushings to ensure holes are placed exactly right every time.
Heard on the job
Grab the drill jig off the shelf so we can pop these cross holes in the shafts without measuring each one.
Do not mix it up with
- Fixturing: A fixture holds the work, but a jig holds the work and physically guides the tool.