Bell Hanger Drill Bits (or installer bits) are twist drills that feature a transverse hole drilled through the bit near the tip that enables the pulling of wire through walls, ceilings and floors. After penetrating the wall, a wire can be threaded through the hole and pulled through the hole as the bit is withdrawn. The wire in turn pulls a cable back through the wall.They are manufactured with an aggressive point for fast drilling in wood and metal. They also feature a tapered design for quick chip removal.
Common applications of Installer Bits are:
- • Construction