Can I drill holes with an impact driver?—Roy H., Pierre, South Dakota. Roy asks Roy! I knew this day would come. Yes, you can use an impact driver. Drill bit shank. Cordless impact drivers have a 1/4 inch chuck. Cordless impact drivers have ¼ inch hexagonal quick-release chucks. This means that if you want to drill holes, you need to use a drill bit with a hexagonal shank of the same diameter. Front view of a hexagonal and straight shank bits. Nowadays, you can.

Can I drill holes with an impact driver?—Roy H., Pierre, South Dakota Roy asks Roy! I knew this day would come. Yes, you can use an impact driver. The important thing is the drill bit.

You can make small holes in light-gauge steel and soft wood with an impact driver using a standard hex-shank drill bit, but if you want to make holes larger than ¼ inch in heavy steel, hardwood, or pressure-treated lumber, you need a bit rated specifically for an impact driver. Otherwise it will either snap or detach from its hex shank. Zig Powermaster Manuals.