5/8-18 Universal Arbor with 7/16" Shank - Mountain

The Mountain 55875 Universal Arbor is an essential tool engineered for professional technicians and mechanics, providing a robust and precise connection for bi-metal hole saws. Designed for demanding automotive and industrial applications, this arbor ensures efficient and reliable hole cutting in various challenging materials. Its professional-grade construction delivers consistent performance and durability in busy workshop environments.

Key Features

• Universal Hole Saw Compatibility: Designed to accommodate B series bi-metal hole saws from 5/8" to 1-1/8" in diameter, featuring a 5/8-18 thread for broad utility with common hole saw sizes.
• Secure 7/16" Hex Shank: Features a precision-machined 7/16-inch hex shank, providing a stable, non-slip grip in professional drill chucks, even under heavy load during operation.
• Integrated HSS Pilot Drill: Includes a 135-degree split point high-speed steel (HSS) pilot drill bit to ensure accurate hole initiation and prevent bit walking across diverse material surfaces.
• Replaceable Pilot Bit: The pilot drill can be easily replaced with Mountain item #55877, extending the arbor's service life and maintaining optimal drilling performance without replacing the entire unit.
• Professional-Grade Durability: Constructed from hardened carbon and alloy steel, this arbor is built to withstand the rigors of daily use in industrial and automotive repair settings, enhancing longevity and wear resistance.

Applications

This versatile arbor is ideal for professional technicians requiring precise and clean holes across a range of materials. Common applications include installing wiring, conduit, and plumbing, as well as creating access holes in sheet metal, panels, wood, ferrous and non-ferrous metals, plastics, and drywall. Its robust design makes it suitable for use in automotive workshops, fabrication facilities, and general maintenance operations where consistent performance is critical.