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What is a step drill bit?
A Step Drill Bit is a drill bit that allows you to drill multiple sized holes with one bit. It gradually increases as you go down the bit. It’s like the shape of a cone. It allows you to do multiple sizes holes without the need of changing bits. It is used to enlarge a hole.
What is a step drill bit used for
Ideally, a step drill bit is used on sheet metal no than 1/4 in. thick and plastic or acrylic. This bit is widely used by electricians, sheet metal workers, and engineers. Electricians use it to drill holes to run various size conduits.
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How do you use a step drill bit?
Some Step Drill Bits require a punch hole/starter hole while others bits can self start. Insert bit into an impact driver drill and secure into the chuck of the drill. Drill like you would with any other drill bit like a spiral bit.
The Milwaukee #9 x 7/8 in. and 1-1/8 in. Black Oxide Step Drill Bit is one of the in its class. It’s the most durable and fastest impact step bit hole drilling solution. This bit is:
- Optimized for Impact Drivers.
- It’s Drill/Driver Compatible.
- And its Titanium Aluminum Nitride (TiAlN) coating delivers 5x longer.
- The Rapid Strike enables fast and accurate starts that generate less heat, resulting in longer bit tip life.
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