how to know which drill bit size to use
Bit size reflects the diameter of the body. Some projects call for specific drill bit sizes, but a set that includes bits from 1/16 inch to 1/4 inch will handle many jobs around the home and workshop.You can add larger bits â 5/16 inch, 3/8 inch, 7/16 inch and 1/2 inch bits if you need them.The chuck on a hand drill or drill press secures a drill bit to the tool along the bit's shank. A smaller drill for work around the house typically has a 3/8-inch chuck.ou can add larger bits â 5/16 inch, 3/8 inch, 7/16 inch and 1/2 inch bits if you need them. The chuck on a hand drill or drill press secures a drill bit to the tool along the bit's shank. A smaller drill for work around the house typically has a 3/8-inch chuck.