Description
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates | Single-flute cutting edge for greater control through steps | Patented single-flute cutting edge gives the user a true round hole every time | 3 faltted shank prevents slipping in drill chuck | Pilot hole requiredAmazon.ca Product Description Manufacturer: IRWIN UNIBIT, UNIBIT-21 13/16″-1-3/8″STEP DRILL, Made in: United States, Dimensions: 1.4 X 5.2 X 2.75. Weight: 0.515 From the Manufacturer UNIBIT 21 10 Hole Sizes (13/16″-1 3/8″), 1/16″ Increments – Hole Enlarging









