Your Complete Drill Bit FAQ & Resource Guide

Your Complete Drill Bit FAQ & Resource Guide

Drill Bit FAQ’s – Expert Answers & Buying Guide

Welcome to Drill Bits World’s ultimate FAQ library — your one-stop source for answers to everything drill bit related. Whether you’re a contractor, machinist, DIY enthusiast, or industrial buyer, we’ve organized our most common questions by category so you can find exactly what you need fast.

From choosing the right drill bit for your material to understanding specialty designs like auger, masonry, carbide, diamond, and extra long drill bits, you’ll find detailed, straightforward answers backed by decades of experience.

Need to know what bit works best for stainless steel, how to drill without cracking brick, or what “SDS” really means? It’s all here — plus tips to help extend tool life, improve drilling accuracy, and avoid costly mistakes.

If you don’t see your question here, contact us and our team will be happy to help.


Yes — choose the right material and point style for the material being drilled.

For large diameters, yes — starting with a smaller drill improves accuracy and reduces load on the bit.

Usually high-speed steel (HSS) for general-purpose drilling, with cobalt or carbide options for harder materials.

They range from small diameters to over 3 inches, with shanks matching common Morse taper sizes.

No — they’re designed for stationary machines with matching tapered sockets.

When properly seated and clean, they rarely slip. If slippage occurs, clean both the bit shank and the spindle socket.

Use a drift key (wedge-shaped tool) inserted into the spindle’s slot to knock the bit free.

Insert the shank directly into the matching Morse taper socket and seat it with a slight twist or tap to lock it in place.

A standardized taper system (MT1, MT2, MT3, etc.) used to match drill bits and machine spindles for secure, friction-fit mounting.

Commonly used in drill presses, milling machines, and lathes equipped with Morse taper spindles or arbors.

The tapered fit provides maximum torque transfer, secure seating, and easy removal, making it ideal for heavy-duty drilling.

A taper shank drill bit has a conical shank that fits directly into a matching tapered socket in a drill press, lathe, or other machine, eliminating the need for a chuck.

They’re popular in construction, fabrication, maintenance, woodworking, and general metalworking.

Use slower speeds for larger diameters, especially in metals, to reduce heat buildup.

They can be sharpened on a bench grinder or with a dedicated drill bit sharpener, keeping the correct cutting angles.