Greenlee 33A Forged Steel Hex Shank Spade Bit, 1/4 IN Shank

Greenlee Hex Shank Spade Bit, Forged Steel

The Greenlee spade bit family is a line of forged and heat-treated boring bits designed for electricians and tradespeople who need to cut clean holes through hardwood, softwood, plywood, and drywall. Each bit in this family shares a common 1/4 IN (6.400 MM) hexagonal shank engineered for use in 1/4 IN (6.4 mm) or larger power drills, and is available in bit diameters ranging from 3/8" through 1-1/2" to match the boring needs of the job at hand. A hole in the top center of every bit allows wire to be pulled directly through the bore, streamlining installation work without a separate step, making this family a practical choice for jobsite wire-pulling and general boring tasks alike.

Key Features

• Bit Diameter Range: Available from 3/8" through 1-1/2" to cover a wide range of boring applications.
• Shank Size: 1/4 IN (6.400 MM) hexagonal shank shared across the family for secure, slip-resistant chucking in compatible power drills.
• Shank Type: Hexagonal shank design for use in 1/4 IN (6.4 mm) or larger power drills.
• Durable Construction: Forged and heat treated for long life and repeated use in demanding boring applications.
• Wire-Pull Feature: Hole in the top center of each bit allows wire to be pulled through the bored hole, saving time on electrical rough-in work.
• Material Versatility: Bores hardwood, softwood, plywood, and drywall with a clean, consistent cut.
• Retail-Ready Packaging: P.O.P. packaged for easy identification and display at the point of sale.

Technical Specifications

• Shank Size: 1/4 IN (6.400 MM)
• Shank Type: Hexagonal
• Bit Diameter Options: 3/8", 1-1/2"
• Material: Forged Steel

Typical Applications

• Boring Holes in Hardwood and Softwood Framing
• Drilling Through Plywood Sheathing
• Boring Holes in Drywall for Electrical Rough-In
• Wire-Pulling Applications During Electrical Installation
• General Residential and Commercial Electrical Rough-In Work

Why Greenlee?

Greenlee builds tools for the demands of professional electrical work, and this spade bit family reflects that focus with forged, heat-treated construction meant to hold up to repeated boring tasks on the jobsite across every diameter in the range. The integrated wire-pull hole and hexagonal shank design show attention to the practical needs of electricians running wire through framing and drywall, regardless of which bit size the job calls for. Choose Greenlee for dependable boring tools built to keep rough-in work moving efficiently from 3/8" up through 1-1/2".