Greenlee 12" Bit Extension with 1/4" Hex Shank for Professional Drilling Applications

Greenlee 12" Bit Extension with 1/4" Hex Shank for Professional Drilling Applications

Professional drilling extension for deeper wood boring applications

The Greenlee 12" Bit Extension delivers professional-grade performance for electricians and contractors requiring extended reach in wood boring applications. Featuring a durable 1/4" hex shank design with 9/16" head diameter, this extension tool enables deeper drilling access while maintaining compatibility with holesaw arbors, spade bits, Nail Eater II� bits, electrician's bits, and step bits for versatile job site applications.

Professional Features & Benefits

• 12" Extension Length: Provides extended reach for boring deeper into wood structures and accessing confined spaces.
• 1/4" Hex Shank Design: Ensures secure connection and compatibility with standard drill chucks and drivers.
• 9/16" Head Diameter: Optimized head size delivers reliable bit engagement and transfer of drilling force.
• Multi-Bit Compatibility: Works with holesaw arbors, spade bits, Nail Eater II� bits, electrician's bits, and step bits for versatile applications.
• Professional Construction: Built to withstand demanding job site conditions with reliable performance and durability.
• Compact 1.4 LB Weight: Balanced design reduces operator fatigue during extended drilling operations.

Technical Specifications

• D Chain: 4
• Head Diameter: 9/16 IN
• Hole Diameter: 1/4 IN
• Material Master Number: 50027069
• Package Type: Pop
• Product Length: 12.000 IN
• Product Size: 1/4 IN Hex Shank
• Product Weight: 1.400 LB (636.000 GM)

Installation & Operation

1. Mount the extension securely in the drill chuck, ensuring the 1/4" hex shank is fully seated and tightened.
2. Connect the appropriate bit type (holesaw arbor, spade bit, Nail Eater II�, electrician's bit, or step bit) to the extension head.
3. Position the drill assembly at the desired boring location with proper alignment and support.
4. Configure drill speed and torque settings appropriate for the bit type and wood material being drilled.
5. Test the extension and bit assembly for secure connection and proper operation before full drilling engagement.
6. Complete drilling operations following standard safety practices and maintain the extension for continued reliable performance.

Professional Applications

• Electrical rough-in work requiring deep wood boring access
• Residential construction and renovation projects
• Commercial building electrical installations
• Professional contractor drilling operations
• Maintenance and repair applications in confined spaces
• Multi-trade construction projects requiring extended reach

Why Choose Greenlee Quality?

Greenlee delivers professional-grade tools engineered for reliability and durability in demanding electrical and construction applications. This bit extension features robust construction and precise manufacturing to ensure consistent performance and long service life, backed by Greenlee's commitment to professional tool quality and contractor satisfaction.