Chuck: The chuck is the front end where you insert and secure your drill bit. Most drill/drivers have a keyless, ½-inch ...

Perusing the drill bit section of any home improvement store, such as The Home Depot, reveals an array of DeWalt drill bits that can cause one to lose track of time trying to make the correct choice.

These countersinks bits have a hole in the center that often allows for depth stop and a smaller diameter (pilot) drill bit. They can drill the initial hole and counterbore it.

Titex Precision Cutting Tools (www.titex.com) says its XD deep-drilling technology drills holes up to 30 times diameter and at speeds to six-times faster than other technologies. A coolant-fed XD ...

Drill Pilot Holes. A pilot hole works in conjunction with a screw-shank clearance hole. ... Combination countersink bits come in various screw sizes (typically 4, 6, 8, and 10) ...

Ryobi’s 300-Piece Drill and Drive Kit and 95-Piece Drill and Impact Drive Kit are the best drill bit sets we’ve found in years of testing.