How to Change a Hammer Drill Bit

Hammer drills are used in a variety of household and construction jobs. Different drill bit sizes are used for different tasks. Changing a hammer drill bit is quite simple and takes very little time. You want to be sure to do it correctly though, to ensures your safety as well as the function of the drill.

1. Determine size of drill bit needed. This is dependent on the type of job you intend to do.

2. Check to see if chuck needs a key or if it is keyless. Neither model is superior to the other; it is just the way they are made. Some people may have preference.

3. Find key for the chuck. Open enough to fit in drill bit. If it is a keyless chuck hold it while turning the drill open.

3. Insert drill bit. Make sure it is in chuck enough to stay put. This ensures safety during use.

4. Tighten chuck with key. Make sure it is snug. Turn the chuck to each side and tighten again. This is to be sure you have an even and secure bit. For keyless chuck drill models, you hold the chuck to tighten.