Greenlee 50385240 Arbor with Replacement High-Speed Steel Pilot Drill Bit, Hex Shank

Greenlee 50385240 Arbor with Replacement High-Speed Steel Pilot Drill Bit, Hex Shank

The Greenlee 50385240 Arbor with Replacement High-Speed Steel Pilot Drill Bit is a tool replacement part designed to keep hole-cutting equipment operating at peak performance. Featuring a Hex Shank configuration and a durable High Speed Steel pilot drill bit, this arbor is built for electricians and contractors who rely on precise, repeatable hole-saw pilot performance. With a 5/16 IN (7.900 MM) shank diameter and a minimum chuck size of 3/8 IN (9.500 MM), it is engineered to fit standard drill and driver chucks used on job sites every day. As a genuine Greenlee replacement component, it lets professionals restore worn or damaged hole-cutting accessories without the added cost of replacing an entire tool, keeping crews productive on electrical panel and enclosure work.

Key Features

• Shank Diameter: 5/16 IN (7.900 MM) hex shank for secure chuck engagement.
• Minimum Chuck Size: 3/8 IN (9.500 MM) compatibility for standard drill and driver chucks.
• Durable Construction: High Speed Steel pilot drill bit for consistent, long-lasting cutting performance.
• Compact Dimensions: Product measures 6.000 IN in length, 1.800 IN in height, and 1.750 IN in width for easy handling and storage.
• Replacement Part: Designed as a direct replacement arbor and pilot drill bit for compatible Greenlee hole-cutting tools, restoring performance without replacing the entire tool.
• Retail-Ready Packaging: Supplied in a Point of Purchase Pack for convenient stocking and point-of-sale display.
• Made in the USA: Manufactured in the United States for consistent quality control and reliable fit.

Technical Specifications

• Country Of Origin: US
• Minimum Chuck Size: 3/8 IN (9.500 MM)
• Package: Point of Purchase Pack
• Product Height: 1.800 IN
• Product Length: 6.000 IN
• Product Material: High Speed Steel Pilot Drill Bit
• Product Type: Hex Shank
• Product Width: 1.750 IN
• Shank Diameter: 5/16 IN (7.900 MM)
• Volume: 18.9 CI

Typical Applications

• Electrical Panel and Enclosure Hole Cutting
• Tool Maintenance and Replacement Part Stocking
• Commercial and Industrial Electrical Installations
• Renovation and New Construction Wiring Projects
• Retail and Distributor Point-of-Sale Display Stocking

Why Greenlee?

Greenlee builds replacement components like this High Speed Steel pilot drill bit and hex shank arbor to the same standards as its original equipment, giving professionals a dependable way to keep hole-cutting tools performing accurately. Manufactured in the United States, this arbor is sized and constructed for reliable fit and consistent results on demanding electrical job sites. Choosing genuine Greenlee replacement parts helps ensure compatible performance and extends the working life of your existing tools, reducing downtime and unnecessary equipment replacement costs for electrical contractors and maintenance teams alike.