Drill Bits Buying Guide

A drill^★ is only as effective as the bit fitted to it. Wood, metal, masonry, plastics and specialist materials require different cutting geometries and, in some cases, different drilling methods.

What to look for when choosing it

Common choices include twist drills^★ for many metal and general-purpose applications, masonry bits for suitable brick and block, and wood-specific bits such as brad-point or spade designs. Specialist bits may be needed for tiles, glass or other materials. Check both the material and the manufacturer's instructions before selecting an accessory.

Matching the tool to the job

Size and shank compatibility matter too. Confirm that the bit fits the drill chuck or holder and that its rated use matches the machine. Keep cutting edges in good condition and use the speed and technique recommended for the material. Lubrication may be appropriate for some metal drilling operations, but it should follow the relevant guidance.

Accessories, setup and working method

Bits can break or become hot during use. Secure the workpiece, wear appropriate eye protection and keep loose clothing away from rotating equipment. For masonry and other dusty materials, use suitable dust controls. Never force a bit that is binding; stop and investigate the cause.

Making a practical choice

For Drill Bits Buying Guide, the most useful comparison is the complete working setup rather than a single specification. Consider the material, access, frequency of use, expected finish and the accessories that will be needed. A tool that is easy to control and supported by suitable consumables can be more useful than a larger or more powerful alternative that is poorly matched to the task. Check the manufacturer's current instructions, stated capacities and accessory requirements before purchase and before use. For workplace applications, also consider the suitability, maintenance^★, guarding and risk controls that apply to the equipment and task.