A sharp bit will bore straight down and create a perfectly round hole in almost any material. Having your own drill bit ...

“These drill bits are extremely durable and stay sharp,” one shopper said. “You get multiple sizes, and they function extremely well. These are some of my favorite drill bits I’ve owned.” ...

Its best suited for a 1/4 or 3/8-inch drill chuck since it has a 1/4-inch (round ... drill bit set results in lower friction levels, thus ensuring that the bit points remain sharp longer; hence ...