Dear James: I have a box of old, dull drills that could not go through warm butter. When I buy new ones, what type is best for different types of drilling tasks? -- Anne Y. Dear Anne: There is nothing ...

A drill bit is what actually cuts into the rock when drilling an oil or gas well. Located at the tip of the drillstring, below the drill collar and the drill pipe, the drill bit is a rotating ...

If you plan on drilling into brick, concrete, or stone, you’re going to need to use a masonry drill bit. These specialty bits have strong carbide tips for boring through hard materials, and wide ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you plan on drilling into brick, concrete, or stone, you’re going to need to use a masonry drill bit.

DUBLIN--(BUSINESS WIRE)--The "Oil Field Drill Bits - Global Market Outlook (2016-2022)" report has been added to Research and Markets' offering. The Global Oil Field Drill Bits market is expected to ...

These bits also offer a 130° Split Point Tip, which makes pre-drilling obsolete by maintaining exceptional sharpness and enabling extra-long bit life for portable and stationary drilling tools. An ...