Definition

1. Noun:
   • A drill bit with deep helical grooves: A "twist bit" is a cutting tool used in drilling, characterized by having deep spiral-shaped grooves (flutes) along its length. These grooves serve to remove material (chips) from the hole being drilled.

Usage

• The term "twist bit" is used specifically to describe this common type of drill bit, typically for use in hand drills or drill presses.
• It is often used in contexts involving woodworking, metalworking, or general construction.

Examples

• Noun:
  • For this project, you'll need a 1/4-inch twist bit to drill the pilot holes.
  • The carpenter selected a sharp twist bit from his toolbox.
  • Twist bits are the most common type of drill bit for general-purpose drilling.

Advanced Usage

• "High-speed steel (HSS) twist bit": Specifies a twist bit made from a particular durable alloy, commonly used for drilling metal.
  • Use an HSS twist bit for drilling into that steel plate.
• "Brad-point twist bit": A variant combining features of a twist bit and a brad-point bit, often used in woodworking for cleaner, more precise holes.
  • For drilling hardwood, a brad-point twist bit is preferable to prevent wandering.

Variants and Related Words

• Drill bit (n): The general category of cutting tools used for drilling holes. A "twist bit" is a type of drill bit.
• Auger bit (n): A drill bit with a screw tip and deep flutes, typically used for drilling larger, deeper holes in wood. It is related but distinct from a standard twist bit.
• Masonry bit (n): A drill bit designed for drilling into concrete, brick, or stone, often with a carbide tip. It differs in design and purpose from a twist bit.

Synonyms

• Spiral drill bit: A direct synonym emphasizing the spiral (helical) groove design.
• Twist drill: A term often used interchangeably with "twist bit," though "twist drill" can sometimes refer to the entire drilling tool, not just the bit.

Related Phrases

• Helical flute: The technical term for the spiral groove on a twist bit.
  • The helical flutes on a twist bit carry debris out of the hole.
• Drill point: The cutting tip at the end of the twist bit.
  • A dull drill point on a twist bit will cause poor performance and overheating.

Noun

1. a bit or drill having deep helical grooves