Run the drill and watch the bit spin in the air.The shaft of the drill bit must be smaller than this size (but the tip can be larger). Most drills made for home use in the United States have a chuck of size 1/4', 3/8', or 1/2'. Home Improvement Specialist Expert Interview. If you don't press this button, the bit will go around and around in circles instead of coming out. With Dremel drills, you have to press a button next to the bit holder before removing the drill bit with the proper wrench.Make sure the bit is straight and secure, and remove the key before you turn on the drill. X Research source Insert the drill bit into the chuck, then tighten again. Depending on the drill, you may be able to do this by hand, or you may need a chuck key located in a compartment in the top or handle of the drill. To replace a drill bit, make sure the drill is off (and unplugged if corded), then loosen the chuck by rotating it. This holds the drill bit in place as it spins. The chuck is the clamp in the 'jaws' of the drill.

If you are looking for a step bit that is not on our site, please contact us, we will gladly help you locate a step drill bit that will suit your needs without hurting your wallet.Fit the drill bit firmly into the chuck. Step drill bits are available in a wide range of diameters with many different choices in steps. Using oil will reduce friction (heat) and increase the life of your step drill bit. We recommend that you use some type of lubricant (oil) anytime you use one of these step bits to drill in metal.

Whenever operating a power tool be sure to take appropriate safety precautions such as wearing eye protection, either safety glasses or goggles. Do not try and sharpen these bits, it will damage them and leave a steel cutting edge that will become dull quickly. Please note, these step drill bits are titanium coated, because making them out of solid titanium would be a very difficult and costly task. Titanium step drill bits are great for drilling in wood, plastic, nylon pieces, and PVC, but are most often used for enlarging holes in metals like copper, steel, aluminum, and brass since titanium is much harder than all of these materials. The strength of these bits allow for more-efficient cutting, allowing you to use a less powerful drill and making your job easier. These three characteristics make it a perfect material for applications like cutting through metals. Why use titanium? The answer is simple titanium is a very lightweight and hard metal with a high melting point. With larger step drill bits you will need to create a pilot hole with a standard drill bit that is the same size as the smallest step on the step drill bit. With smaller step drills, they are usually self-tapping so there is no need to create a pilot hole. Shaped like a funnel, each step on the bit is just larger than the one before it, allowing quick and efficient cutting. Step drill bits are used to enlarge holes in sheet metal up to 1/4 of an inch thick as they are plunged through. With 3 to 12 different step sizes to choose from there’s no need to constantly change drill bits. All of our electrical accounts love these easy-to-use multi purpose titanium step drill bits. That’s why we stock these high quality titanium step drills that have long lasting titanium nitrite coated sharp edges that lasts three times longer than standard bits. At DeFusco Industrial Supply we strive to have the tools you need to get the job done right, at prices you can afford.

Using step drill bits