Milwaukee 49-56-0082 Bi-metal Hole Saw 1-1/2 Inches

Product Description

The MILWAUKEE ELECTRIC TOOL CORP 49-56-0082 is a 1-1/2 inch bi-metal hole saw built for general purpose cutting in metal and other common trade materials. It uses a 3.5 TPI tooth geometry engineered to extend tooth life in metal applications. A thermoset coating on the blade body reduces friction during the cut, which keeps temperatures lower and is specifically optimized for cordless tool use. All-access slots on the body allow fast plug removal without additional tools, reducing downtime between holes and improving pilot bit visibility for accurate starting placement. Licensed electricians, plumbers, HVAC techs, and general contractors reach for this saw when punching clean holes through sheet metal, electrical panels, wood framing, and similar substrates.

This hole saw is suited for residential and light commercial applications where repeatable, clean-diameter holes are required. Typical install scenarios include conduit entry points, pipe penetrations, and junction box knockouts. The 1-1/2 inch cut diameter fits common trade rough-in requirements across plumbing, electrical, and HVAC disciplines. The all-access slots also aid chip ejection during the cut, helping maintain cutting speed and reducing heat buildup on longer runs. Compatible arbors listed in the input include TV 138-923 and TV 139-793.

Key Features

• 3.5 TPI bi-metal tooth design engineered for extended life in metal cutting applications
• Thermoset coating reduces friction and is optimized for cordless tool platforms, delivering more holes per battery charge
• All-access slots simplify plug removal and reduce downtime between consecutive holes
• Slot design improves pilot bit visibility for accurate hole placement
• Enhanced chip ejection through slot geometry helps keep the cut cool

Compatibility

Compatible with arbors TV 138-923 and TV 139-793 as stated by the manufacturer. Designed for use with standard bi-metal hole saw arbors in general purpose cutting applications across metal, wood, and similar substrates.

Installation Notes

Install the hole saw onto a compatible arbor before mounting in the drill or driver. Power down the tool and disconnect from the power source or remove the battery before changing accessories. Secure the workpiece before starting the cut to prevent rotation. Follow applicable NEC or IPC guidelines when sizing hole penetrations for electrical or plumbing rough-in work.

Technical Specifications

• Cut Diameter: 1-1/2 inches
• Tooth Design: 3.5 TPI bi-metal
• Coating: Thermoset
• Compatible Arbors: TV 138-923, TV 139-793
• Weight: 4.7 pounds
• Unit of Measure: EA
• Package Quantity: 24

Standard Information

• Brand: MILWAUKEE ELECTRIC TOOL CORP
• Manufacturer Part Number: 49-56-0082