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2. Boring bar - Wikipedia

   en.wikipedia.org/wiki/Boring_bar

   In this case, the tool bits are of the brazed carbide type. Boring bar marked B. A boring bar is a tool used in metalworking and woodworking. Boring is a technique used in many aspects of building. Woodworkers have used boring as a form of drilling for centuries. In woodworking, the boring tool is static in size and used to form circular plunge ...

3. Boring (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Boring_(manufacturing)

   A part's-eye view of a boring bar. Hole types: Blind hole (left), through hole (middle), interrupted hole (right). In machining, boring is the process of enlarging a hole that has already been drilled (or cast) by means of a single-point cutting tool (or of a boring head containing several such tools), such as in boring a gun barrel or an engine cylinder.

4. Cemented carbide - Wikipedia

   en.wikipedia.org/wiki/Cemented_carbide

   As well, modern turning (lathe) tooling may use a carbide insert on a carbide tool such as a boring bar, which are more rigid than steel insert holders and therefor less prone to vibration, which is of particular importance with boring or threading bars that may need to reach into a part to a depth many times the tool diameter.

5. Tipped tool - Wikipedia

   en.wikipedia.org/wiki/Tipped_tool

   Most machine shops with lathes have many solid-HSS and solid-carbide tool bits as well as many insert-tipped tool bits, and most commercial operations that involve routers (such as cabinetry and furniture shops) use plenty of solid-HSS and solid-carbide router bits as well as some tipped bits.

6. Machining - Wikipedia

   en.wikipedia.org/wiki/Machining

   Lathes are the principal machine tool used in turning. Boring involves the machining of an internal surface of a hole to increase it diameter, this can be performed by either turning the workpiece on a lathe (also called internal turning), or a mill where a tool is rotated around the circumference of the hole.

7. Tool bit - Wikipedia

   en.wikipedia.org/wiki/Tool_bit

   Originally, all tool bits were made of high carbon tool steels with the appropriate hardening and tempering.Since the introductions of high-speed steel (HSS) (early years of the 20th century), sintered carbide (1930s), ceramic and diamond cutters, those materials have gradually replaced the earlier kinds of tool steel in almost all cutting applications.

8. Burr (cutter) - Wikipedia

   en.wikipedia.org/wiki/Burr_(cutter)

   A selection of carbide burrs. Burrs or burs (sometimes called rotary files) [1] [2] are small cutting tools; not to be confused with small pieces of metal formed from cutting metal, used in die grinders, rotary tools, or dental drills.

9. Spotface - Wikipedia

   en.wikipedia.org/wiki/Spotface

   Such operations can be done with boring bars reaching through a hole while shifted off-center, then shifting onto center for the cut (for example, in the G76 fine boring cycle), or with back-deburring style tools whose cutting edges open and close in umbrella-like or check-valve-like fashion.