7/16" Large Thread Quick Change Arbor, Shank

Milwaukee 49-56-7240 – Large Thread Quick Change Hole Saw Arbor

The Milwaukee 49-56-7240 Quick Change Arbor is designed for rapid hole saw swaps without the use of additional tools. Built for compatibility with hole saws 1-1/4" and larger, it features a 7/16" hex shank that fits standard 1/2" drill chucks, making it suitable for a wide range of corded and cordless drill applications.

This arbor incorporates a quick-change mechanism that securely locks the hole saw in place while allowing for fast release and installation, increasing productivity on site. The hardened steel construction provides durability under repeated high-torque use typical of jobsite drilling tasks.

Product Features

• Quick-Change Design – Enables fast, tool-free replacement of hole saws to reduce downtime between cuts.
• Universal Fit – Compatible with hole saws 1-1/4" and larger across various manufacturers.
• 7/16" Hex Shank – Fits most 1/2" and larger drill chucks for secure engagement and stable operation.
• Hardened Steel Construction – Resists wear and torque stress, ideal for heavy-duty applications.
• One-Piece Assembly – Simplifies setup and enhances arbor alignment and structural integrity.

Technical Specifications

• Product Number: 49-56-7240
• Style: Quick Change Arbor
• Shank Size: 7/16" Hex
• Compatible Hole Saw Sizes: 1-1/4" and larger
• Material: Hardened steel
• Packaging: Clamshell
• Pack Quantity: 1

Application Notes

Intended for use with bi-metal or carbide-tipped hole saws on wood, plastic, and metal substrates. This arbor is especially useful in electrical, plumbing, and HVAC applications where multiple hole sizes are used and tool-free changeovers improve efficiency.

Installation and Use

To install, insert the arbor into the drill chuck and tighten securely. Attach the hole saw by aligning the threads and engaging the quick-change mechanism until locked. Always verify that the assembly is tight before starting the drill. Use appropriate PPE and drill at recommended speeds based on material type.