A countersink is often essential when working with screws to ensure the head of the screw is flush with the surface. Depending on your chosen material, the best countersink bit will enable you to ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics. He ...

We may receive a commission on purchases made from links. Drill bits come in a startlingly wide array of sizes, shapes, and job-specific types. Most DIYers and repairers will be familiar with the ...