FAQs

Frequently Asked Questions


Slower speeds for harder metals, faster for softer metals. Keep it cool with lubricant.

Slower speeds for harder materials, higher for soft materials—always avoid overheating.

A cordless drill and a set of job-specific drill bits are among the most-used tools for electrical installations.

Hole saw, annular cutter, step drill bit, or fly cutter depending on size and material.

Electricians often use step bits, auger bits, spade bits, and extra long bits. The right bit depends on the material being drilled and the job—metal boxes, wood studs, or finished walls.

For most metals—nothing. For masonry, diamond bits can outperform carbide in speed and durability.

Spiral flutes provide a smoother cut, reduce chatter, and are better for reaming in softer or gummy materials, while straight flutes give a rigid cut in harder materials.

A lightweight, high-torque cordless drill with variable speed and compact design is best for electricians.

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

Slower speeds for larger diameters and harder materials, higher speeds for small diameters in softer materials.