The groove in a cutting tool which provides a cutting edge and a space for the chips to escape and permits the cutting fluids
to reach the cutting edges.
fly cutter -
A single-point cutter mounted on a bar in a fly cutter holder or a fly cutter arbor- used for special applications for which a
milling cutter is not available.
follower rest -
A support for long, slender work turned in the lathe. It is mounted on the carriage, travels close to and with the cutting tool,
and keeps the work from springing away.
Part of an indexing, attachment which has a center and serves the same purpose as the tail stock of a lathe.
force fit -
A fitting which one part is forced of pressed into another to form a single unit. There are different classes of force fits
depending on standard limits between mating parts.
gage, feeler (thickness gage) -
A gage consisting of a group of very thin blades, each of which is accurately ground to a specific thickness.
gage, indicating (dial indicator) -
A gage consisting of a dial, commonly graduated (marked) in thousandths of an inch, to which is fastened an adjustable arm.
gage, screw pitch -
A gage consisting of a group of thin blades. used for checking the number of screw threads per unit of distance, usually per
inch, on a screw, bolt, nut, pipe, or fitting.
A tapered strip of metal placed between the bearing surface of two machine parts to ensure a precision fit and provide an
adjustment for wear.
A metal blade of hardened steel having small, close teeth on one edge. It is held under tension in a U-shaped frame.
half nut -
A lever-operated mechanism that resembles a split nut that can be closed on the lead screw of a lathe when threads are being
Any adjusting or feeding mechanism shaped like a wheel and operated by hand.
A heat-treating process for steel which increases its hardness and tensile strength and reduces its ductility.