FAQs

Frequently Asked Questions


They’re often called “extra long drill bits” or “jobber-length,” “ship auger,” or “aircraft extension” bits depending on the design and purpose.

Step bits, auger bits, spade bits, and extra-long flex bits are most commonly used by electricians.

Use a masonry bit that matches the wall plug diameter—typically 6mm to 10mm.

Use the standard drill mode (no hammer), moderate torque setting, and appropriate speed for the material.

A corded drill or high-torque cordless drill is best for power and stability.

Common in construction, fabrication, maintenance, automotive repair, and industrial metalworking.

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

A type of construction reamer with a long tapered lead and straight or spiral flutes, used for aligning misaligned holes in structural steel, like in bridge building or ship construction.

A heavy-duty reamer designed for enlarging or aligning structural steel holes during construction work, often used in fabrication and field assembly.

A drill bit made from high-speed steel, cobalt, or carbide designed to cut through metal with the right speed, feed, and lubrication.