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GLOSSARY OF TERMS
Base
Large rectangular plate that secures the drill press to a
benchtop or other sturdy, level surface.
Chip
The material extracted from the hole in a drilling operation.
Chuck
The clamping device at the end of the spindle that secures
the drill bit.
Chuck Key
A fitted key used to tighten and loosen the chuck.
Column
Large perpendicular rod that supports the work table and
drill press head assembly.
Depth Stop
Adjustment control which allows the operator to control the
depth of the hole in a drilling operation.
Drill Bit
Fluted cutting tool used in a drilling operation.
Head Assembly
The assembly at the top of the column which houses the
motor, quill, and spindle.
Feed
The speed and force with which the drill bit is lowered into
the workpiece.
Feed Handles
Three handles attached to the quill which allow the operator
to lower the chuck and bit during a drilling operation.
Motor Pulley
A grooved, conical pulley driven by the motor and responsible
for driving the spindle pulley by means of a belt.
Pilot Hole
A small hole drilled in a workpiece that serves as a guide for
drilling large holes accurately.
Quill
Also known as the Feed Shaft. Responsible for lowering the
chuck and bit into the workpiece and regulating the depth
of the hole in a drilling operation.
Spindle
The rotating shaft upon which the chuck is attached.
Spindle Pulley
A grooved, conical pulley responsible for rotating the spindle.
The spindle pulley is driven by the motor pulley by means
of a belt.
Workpiece
The object into which a hole is to be drilled.
Worktable
Flat, level surface supported on the column and able to be
positioned at various angles vertically on the column in order
to accommodate different size workpieces.