Drill Bits

• What are the types of drill bits mentioned?

  • Twist Drill Bit
  • Flat Drill Bit
  • Forstner Bit
  • Hole Cutter
  • Countersunk Drill Bit
• What is the function of a flat drill bit?


  To drill large flat-bottomed holes in wood and plastics
• What does a countersunk drill bit do?


  It allows a countersunk screwhead or rivet to sit flush with the surface of the material
• What does the term "countersunk" mean?


  It allows a screwhead or rivet to sit flush below the surface of the material
• What is a pilot hole?


  A small hole drilled ahead of a full-sized hole as a guide