straight-fluted drill
Noun A straight-fluted drill is a type of rock drill or cutting tool characterized by having longitudinal grooves (flutes) that run in a straight line parallel to its axis. These flutes are designed to channel debris away from the cutting surface.
This term is a specific technical noun used to identify a particular tool design. It is primarily used in industrial, manufacturing, geological, and machining contexts. * The machinist selected a straight-fluted drill for the precise boring operation in the soft metal. * In some applications, a straight-fluted drill is preferred over a twist drill for its ability to produce a cleaner, more accurate hole in certain materials.
The design is often discussed in contrast to twist drills or spiral-fluted drills. Straight flutes provide less automatic chip ejection but can offer greater stability and precision in materials like plastics, brass, or when producing shallow holes. * For drilling thin sheets of soft copper, a straight-fluted drill minimizes the tool's tendency to "grab" or pull into the material.
- Straight-flute drill: A common alternative phrasing with the same meaning.
- Gun drill: A specialized, often deep-hole, drilling tool that frequently employs a straight-flute design along with internal coolant channels.
- Flute (n): The groove or channel in a drill bit.
- Twist drill: The more common drill bit type with spiral (helical) flutes, used as a contrasting term.
- Straight-flute drill bit
- Straight-groove drill
- Core drill: A drill used for removing a cylinder of material, which may have straight flutes.
- Reamer: A finishing tool that may also have straight flutes for sizing and smoothing holes.
- a rock drill with flutes that are straight