Lenox 33150LL150 Self Feed Drill Bit 1-1/2 in Hex Shank

Product Description

The LENOX 33150LL150 is a self feed drill bit designed for fast, aggressive boring in wood and wood-composite materials. It features a 1-1/2 inch cutting diameter and a 7/16 inch hex shank for secure chuck engagement, reducing slippage under load. The bit measures 5-1/2 inches in overall length and provides a 1-3/8 inch entrance depth suited for routing tubing and conduit paths. Constructed from steel with a bright finish, it is a practical choice for electricians, plumbers, and HVAC installers who need clean, repeatable through-bores in framing, joists, and plates during rough-in work.

This self feed bit is suited for residential and light commercial rough-in applications where tubing, pipe, or wire needs to pass through structural framing. It is commonly used by electrical and plumbing trades during new construction and remodel work. The 5-1/2 inch overall length provides adequate reach through standard framing lumber, and the 1-3/8 inch tubing entrance is sized for common pipe and conduit diameters encountered in trade installations.

Key Features

• 1-1/2 inch cutting diameter for full-size bore openings in wood framing
• 7/16 inch hex shank provides positive engagement in standard drill chucks and quick-change systems
• 5-1/2 inch overall length reaches through standard dimensional lumber
• 1-3/8 inch tubing entrance accommodates common pipe and conduit sizes
• Steel construction with bright finish for durability in typical rough-in conditions

Compatibility

Designed as an OEM-style self feed drill bit compatible with standard 7/16 inch hex-shank drill chucks and quick-change bit holders commonly used in trade-grade corded and cordless drills.

Installation Notes

Self feed bits are installed by electricians, plumbers, and HVAC technicians using a heavy-duty corded or high-torque cordless drill rated for hole-saw and self feed applications. Ensure the workpiece is secured before drilling and keep the bit clear of fasteners, knots, and embedded hardware that can cause kickback. Always wear appropriate eye protection when boring through framing. Confirm local building codes for minimum framing clearances when routing pipe or conduit through structural members.