What is a Unibit used for?
A unibit (often called a step drill bit) is a roughly conical bit with a stairstep profile. Due to its design, a single bit can be used for drilling a wide range of hole sizes. Some bits come to a point and are thus self-starting. The larger-size bits have blunt tips and are used for hole enlarging.
What is a Unibit drill bit?
IRWIN Unibit step drill bits are ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates. Drills 3/16″ – 1/2″ holes in 1/16″ steps. Single-flute cutting edge for greater control through steps.
How thick of metal can you drill with a step drill bit?
Things You’ll Need Step drill bits are used to drill metal up to 1/4 of an inch thick. Step drill bits are designed to enlarge a hole as the bit drills through the sheet metal.
Can I use a Unibit on wood?
Do not coat the Unibit or the material if you are drilling into wood or other porous materials. Align the tip of the Unibit with the area you are drilling the hole.
How do you use a Unibit?
Apply cutting fluid to the surface you are drilling. Do not coat the Unibit or the material if you are drilling into wood or other porous materials. Align the tip of the Unibit with the area you are drilling the hole. Pump the trigger of the drill motor to slowly drill into the material.
What is a cone drill bit used for?
A roller-cone bit is a drill bit used for drilling through rock, for example when drilling for oil and gas.
Can I sharpen a step drill bit?
Step drill bits can be especially tricky to sharpen. Grind the first step like you would any other drill bit. Put the drill in a clamp that exposes only the first step. Run the edge along the grinding wheel in short, quick motions until the bit looks sharp enough for your needs.
What is Unibit?
Unibit (drill bit), a roughly conical drill bit with a stairstep profile.