9/16″ – 1″ High Speed Steel Fractional Hole Enlarging 10220

High
Speed Steel Fractional Hole Enlarging
Features:

• Single-flute cutting edge
  for greater control through steps
• 3 flatted shank prevents
  slipping in drill chuck
• Also available with titanium
  nitride coating for longer life
• Patented single-flute
  cutting edge gives the user a true round hole every time
• Ideal for drilling holes
  into thin materials such as stainless steel, copper, brass, aluminum,
  plastic and laminates
• Pilot hole required

Irwin Unibit
102209/16″ – 1″ High Speed Steel Fractional Hole
Enlarging