Greenlee 50315404 33L Extended Spade Bit, 3/4 IN Diameter, Hex Shank

Greenlee 50315404 33L Extended Spade Bit, 3/4 IN Diameter, Hex Shank

The Greenlee 50315404 is a 33L Series spade bit engineered for electricians and installers who need extended reach when boring through framing members and building materials. Measuring an overall length of 16 IN (406.400 MM) with a 3/4 IN (19.100 MM) bit diameter, this spade bit is built to bore clean holes in hardwood, softwood, plywood, and drywall. It features a 1/4 IN (6.400 MM) hexagonal shank designed for secure, slip-resistant engagement in standard drill chucks, making it a practical choice for wire and cable-pulling applications where extended-length bits are required to reach through joists, studs, and other structural members. Whether roughing in new construction wiring or working through a remodel, this bit's combination of length and diameter helps installers complete boring tasks efficiently and in fewer passes.

Key Features

• Overall Length: 16.000 IN (406.400 MM) for reaching through deep or multiple framing members in a single pass.
• Bit Diameter: 3/4 IN (19.100 MM) for boring holes sized for common conduit, cable, and wiring runs.
• Shank Size: 1/4 IN (6.400 MM) Hexagonal shank for a secure, non-slip fit in standard drill chucks.
• Application: Designed to bore Hardwood, Softwood, Plywood, and Drywall for versatile use across job site materials.
• Product Dimensions: Product Length 17.500 IN, Product Width 1.700 IN, Product Height 0.100 IN for reference when selecting storage or drill setups.
• Volume: 2.975 CI.
• Shank Type: Hexagonal shank type for reliable drill engagement without slippage during high-torque boring.

Technical Specifications

• Application: For Bore Hardwood, Softwood, Plywood And Drywall
• Bit Diameter: 3/4 IN (19.100 MM)
• Country Of Origin: CN
• Overall Length: 16.000 IN (406.400 MM)
• Product Height: 0.100 IN
• Product Length: 17.500 IN
• Product Width: 1.700 IN
• Shank Size: 1/4 IN (6.400 MM)
• Shank Type: Hexagonal
• Volume: 2.975 CI

Typical Applications

• Boring Holes in Hardwood, Softwood, and Plywood Framing
• Drywall Penetrations for Electrical Rough-In
• Wire and Cable Pulling Through Studs and Joists
• Commercial and Residential Electrical Installations
• New Construction and Remodel Wiring Projects

Why Greenlee?

Greenlee spade bits like the 50315404 are built with a 1/4 IN hexagonal shank for reliable drill engagement and an extended 16 IN length to help electricians bore through hardwood, softwood, plywood, and drywall in fewer passes. This combination of length and diameter supports efficient rough-in work where reaching through multiple framing members is required, helping installers complete wiring runs with consistent, code-compliant results. With a 3/4 IN bit diameter suited to common conduit and cable runs, the 50315404 is a dependable choice for professionals who need to bore precise holes across a range of job site materials.