3-1/2" Bi-Metal Hole Saw Bulk, Rip Guard 3.5 TPI

Milwaukee® 49-56-0193 HOLE DOZER™ 3-1/2" Bi-Metal Hole Saw – Technical Product Information

The Milwaukee® 49-56-0193 HOLE DOZER™ 3-1/2" Bi-Metal Hole Saw is built for professional-grade precision and longevity in heavy-duty cutting applications. Designed with Milwaukee’s next-generation 3.5 TPI variable pitch tooth configuration, it delivers exceptional cutting efficiency, reduced vibration, and extended service life across a range of materials. The Matrix II high-speed steel teeth with 8% cobalt reinforcement provide outstanding heat and wear resistance, ensuring consistent performance in both ferrous and non-ferrous materials. A reinforced alloy steel body enhances durability and maintains concentricity under load. The ALL-ACCESS SLOT™ feature improves chip evacuation, enhances pilot visibility, and enables fast, effortless plug removal. Finished with a Thermoset Coating for cooler operation, the HOLE DOZER™ is optimized for cordless tool efficiency, producing up to 25% more holes per battery charge. Proudly manufactured in the USA, this hole saw provides professional reliability in construction, electrical, and mechanical installations.

Technical Specifications

• Manufacturer: Milwaukee Tool
• Model Number: 49-56-0193
• Series: HOLE DOZER™ Bi-Metal Series
• Tool Type: Bi-Metal Hole Saw
• Diameter: 3-1/2 inches (88.9 mm)
• Tooth Design: 3.5 TPI variable pitch for optimized cutting speed and chip removal
• Tooth Material: Matrix II high-speed steel with 8% cobalt for maximum wear resistance
• Body Construction: Reinforced alloy steel for increased structural integrity and accuracy
• Cutting Depth: 1-5/8 inches (41.3 mm)
• Slot Design: ALL-ACCESS SLOT™ for quick plug removal and enhanced chip ejection
• Surface Finish: Thermoset Coating for friction reduction and cooler cutting temperatures
• Optimized For: Corded and cordless drilling systems
• Battery Efficiency: Up to 25% more holes per charge when used with cordless tools
• Applications: Electrical rough-ins, conduit installation, mechanical system penetrations, and HVAC openings
• Material Compatibility: Steel, stainless steel, aluminum, brass, PVC, wood, and composite materials
• Compatible Arbor Types: Standard and quick-change arbors with pilot bits
• Recommended Speed Range: Variable by material type (refer to Milwaukee cutting speed guidelines)
• Drill Compatibility: Suitable for handheld drills, drill presses, and magnetic bases
• Manufacturing Origin: Made in the USA
• Warranty: Lifetime Tooth Break Warranty

Design and Performance Features

• 3.5 TPI variable pitch tooth geometry minimizes vibration and enhances cutting performance
• Matrix II bi-metal teeth with 8% cobalt ensure superior durability and temperature resistance
• Reinforced alloy body provides precise hole cutting and stability under torque
• ALL-ACCESS SLOT™ improves chip evacuation and simplifies plug extraction for continuous workflow
• Enhanced pilot visibility for accurate starting and alignment during cuts
• Thermoset Coating improves cutting speed and efficiency while reducing friction and heat buildup
• Optimized for cordless tool systems, providing extended runtime and productivity
• Precision-balanced design reduces vibration and enhances operator control
• Engineered and manufactured in the USA for professional-grade reliability

Professional Summary

The Milwaukee® 49-56-0193 HOLE DOZER™ 3-1/2" Bi-Metal Hole Saw is purpose-built for professional contractors who demand durability, precision, and efficiency. With Matrix II bi-metal teeth, a reinforced steel body, and Milwaukee’s signature ALL-ACCESS SLOT™ design, it delivers superior cutting performance, faster chip evacuation, and reduced downtime. The Thermoset Coating ensures smooth, cool operation, while cordless optimization provides maximum productivity per charge. Backed by Milwaukee’s Lifetime Tooth Break Warranty, this hole saw meets the rigorous standards of the modern jobsite and ensures long-term reliability in industrial, electrical, and mechanical applications.