Milwaukee Hole Saw Arbor 49-56-9100: Quick Change, 7/16 Shank, 5/8-18 Thread

Overview

Milwaukee's 49-56-9100 Quick Change Hole Saw Arbor is engineered to speed up large-diameter hole cutting while maintaining alignment under load. Constructed from hardened carbon steel and alloy steel, this arbor resists wear and delivers dependable drive when paired with wide hole saws. A drive plate locks the saw to the arbor to minimize wobble, helping you stay in control as you work.

With a universal quick-change interface, you can switch between hole saws without tools or adapters, reducing downtime between sizes on demanding jobs. The combination of durability, versatility, and a streamlined setup makes this arbor a practical choice for professional installers and DIY enthusiasts alike.

Key advantages

• Tool-free, universal quick-change operation works with a broad range of hole saws, with no adapters required.
• Rugged construction combines hardened carbon steel and alloy steel for lasting performance under tough drilling conditions.
• 7/16 in hex shank interfaces with standard 1/2 in and larger drill chucks for broad compatibility.
• 5/8-18 thread matches many hole saws, enabling a single arbor to cover multiple sizes.
• Drive plate is tightened to the hole saw to reduce wobble and promote steadier cuts.
• Fits hole saws 1-1/4 in and larger, expanding your cutting options on the job site.

Specifications and what's included

• Material: Hardened carbon steel and alloy steel for durability
• Shank: 7/16 in hex; compatible with drill chucks 1/2 in and larger
• Thread: 5/8-18
• Fits hole saws 1-1/4 in and larger
• Includes: 1 large quick-change arbor (7/16 in)
• Pilot drill: 1/4 in diameter x 3-1/2 in length

Real-world use and workflow

This arbor is suited for heavy-duty drilling tasks where you need quick size changes without sacrificing control. Whether you're installing vents, wiring openings, or mounting hardware, the no-adapter changeover and drive-plate stability help keep pace with the job. The included pilot drill supports a clean start before the hole saw engages the material, helping to guide the cut with precision.

Practical tips

• Use with drill chucks 1/2 in and larger for best performance.
• Secure the drive plate to the hole saw before starting the cut to minimize wobble.
• Pair with hole saws 1-1/4 in and larger to maximize versatility.
• Inspect the hardware regularly to maintain smooth, steady operation on repeated cuts.

Origin and care

Manufactured in China, this Milwaukee arbor is designed for durability in demanding cutting tasks. Follow standard safety practices and use compatible hole saws for reliable results across aluminum, wood, and other materials.