FAQs

Frequently Asked Questions


Wear eye and ear protection, use dust control or water cooling, secure the work area, and keep a firm grip on the drill.

Use the drill’s standard setting with moderate speed—no hammer function.

Standard drill mode, adjust torque for material—lower torque for delicate surfaces, higher for tougher materials.

Common plug sizes range from 3/4" to 1 1/8"—step bits are ideal for this because they can create multiple hole sizes in one pass.

It depends on the wire gauge and application. For Romex, 3/4" to 1" is typical through studs.

Typically a 7mm bit, but always match the plug manufacturer’s recommendation.

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.

They range from small openings (around 1") to very large diameters (10" or more) depending on the drill and bit.

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

Use the speed recommended in the HD-45 manual—typically lower RPMs with steady, even pressure for masonry.