What is a step drill bit?

What is a step drill bit for?

The Step Drill is a tapered drill that can drill a variety of hole sizes without changing bits. From top to top, the diameter of this single tool gradually increases from 3mm, allowing a wide range of different sized holes to be drilled.

How does a step drill bit work?

Step drill bits are extremely easy to use;you simply put it into your drill, like every other drill bit.How deep you drill through the material depends on how wide you need the hole to be.The diameter of each step is marked in the side of the step drill,allowing you to easily create the correct size hole.

You may want to take regular breaks when drilling,especially in metal.This is to prevent overworking the drill or overheating the step drill bit.An overheated drill bit blunts quickly,resulting in a shorter life span of the accessory.

Step drill bits application

1.The main application for step drills is to drill through sheet metal.It is very simple and easy to use and will provide a very smooth clean cut.

2.Step drills are also able to drill through wood,but it needs to be thin in order for the step drill to work.

3.They can also drill through acrylic and plastics,and it provides a better finish compared to standard twist drills,as it prevents cracks from appearing in the plastic.

4.Deburring and chamfering holes is also possible with step drills.To debur, you simply touch the material with the beveled edge of the next step on the bit.To chamfer,allow the wider step (next step up )to cut slightly deeper into the material.

Can you use a step drill bit on wood?

Step drills are mainly used for drilling holes in thin metals and plastics, although they can also be used to drill holes in wood, but the drilling speed will be very slow.

So if you want professional woodworking drill bits, you can choose : Wood Spade Drill Bit, Auger Drill Bit, Brad Point Drill Bit, etc.

If you need to know more, please don't hesitate to contact HKTools, we will give you professional service.