Drill Bits for Electricians: FAQ's

Spade bits are faster but rougher. Auger bits are slower but cleaner and better for deep or repeated stud drilling.

Yes. Extra long bits (18" to 48") help reach behind walls, above ceilings, or through multiple framing layers without opening up drywall.

Most electricians use a step bit that covers 3/4" to 1-1/8" sizes for standard conduit fittings. Always check local code and fitting requirements.

While possible, regular bits often cause tear-out or aren’t long enough. Electrician-specific bits are designed for clean, efficient cuts and tight spaces.

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.