https://www.mccoys.com/shop/p/3880085-052303-32/irwin-unibit-10220-step-drill-bit-916-to-1-in-dia-1-flute-716-in-dia-shank-hex-shank
Unibit 10220 Step Drill Bit, 9/16 to 1 in Dia, 1-Flute, 7/16 in Dia Shank, Hex Shank
Sku: 3880085-052303-32
$41.08
48 Available at
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Hole enlarging features bit single flute cutting edge for greater control through steps and a true round hole, 3 flatted shank prevents slipping in drill chuck. Used in applications such as drilling holes into thin stainless steel, copper, brass, aluminum, plastic and laminates, pilot hole required.
- Single-flute cutting edge for greater control through steps
- Three flatted shank prevents slipping in drill chuck
- Patented single-flute cutting edge gives the user a true round hole every time
Diameter
9/16 to 1
Number of Flutes
1
Shank Type
Hex
Shank Diameter
7/16
Cutting Edge Material
HSS
Material
HSS
Finish
Titanium Nitride-Coated
Applicable Materials
Aluminum, Brass, Copper, Plastic, Stainless Steel