Large Thread Arbor, 3/8" Shank

The Milwaukee 49-56-7040 is a Large Hole Saw Arbor (3/8" shank).

What it is

• Type: Hole saw arbor (adapter/holder)
• Model: 49-56-7040
• Shank size: 3/8"
• Thread type: Large thread (5/8"-18)
• Compatibility: Works with 1-1/4" and larger hole saws

What it does

This is not a cutting tool—it’s the connector that:

• Attaches your hole saw to a drill
• Holds the saw securely during cutting
• Transfers torque from drill to saw
• Uses a pilot bit to keep cuts centered

Key features

• Hardened steel construction for durability
• Fits most Milwaukee HOLE DOZER™ and other brand hole saws
• Works with drill chucks 3/8" and larger
• Designed for heavy-duty, high-torque cutting applications
• Used with larger diameter saws (typically 1-1/4" and up)