3-1/4" Bi-Metal Hole Saw Bulk, Rip Guard 3.5 TPI

Milwaukee® 49-56-0183 HOLE DOZER™ 3-1/4" Bi-Metal Hole Saw – Technical Product Information

The Milwaukee® 49-56-0183 HOLE DOZER™ 3-1/4" Bi-Metal Hole Saw is engineered for professional contractors who require long-lasting durability, precision, and performance in demanding drilling environments. Featuring Milwaukee’s advanced 3.5 TPI variable pitch tooth configuration, this hole saw delivers faster cutting speed, smoother operation, and extended life in metalworking and general construction applications. The Matrix II high-speed steel teeth, reinforced with 8% cobalt, offer exceptional resistance to heat and wear during prolonged use. Its rigid alloy steel body maintains accuracy and stability under load. The ALL-ACCESS SLOT™ design improves chip evacuation, enhances pilot visibility, and simplifies plug removal to reduce downtime. Finished with a Thermoset Coating, the HOLE DOZER™ provides cooler cutting action and superior cordless tool efficiency. Built to withstand industrial use, this USA-made hole saw offers professional reliability for a wide range of materials and jobsite conditions.

Technical Specifications

• Manufacturer: Milwaukee Tool
• Model Number: 49-56-0183
• Series: HOLE DOZER™ Bi-Metal Series
• Tool Type: Bi-Metal Hole Saw
• Diameter: 3-1/4 inches (82.6 mm)
• Tooth Design: 3.5 TPI variable pitch for optimized cutting speed and debris clearance
• Tooth Material: Matrix II high-speed steel with 8% cobalt for maximum durability
• Body Construction: Reinforced alloy steel for dimensional precision and strength
• Cutting Depth: 1-5/8 inches (41.3 mm)
• Slot Design: ALL-ACCESS SLOT™ for quick plug ejection and efficient chip evacuation
• Surface Finish: Thermoset Coating for cooler operation and improved performance
• Optimized For: Corded and cordless drill platforms
• Battery Efficiency: Up to 25% more holes per charge with cordless power tools
• Applications: Electrical rough-ins, HVAC installations, mechanical penetrations, and metal fabrication
• Material Compatibility: Ferrous and non-ferrous metals, stainless steel, aluminum, PVC, wood, and composites
• Compatible Arbor Types: Standard and quick-change arbors with pilot bits
• Recommended Speed Range: Variable by substrate; refer to Milwaukee’s cutting speed guidelines
• Drill Compatibility: Suitable for use with handheld, benchtop, and magnetic drill presses
• Manufacturing Origin: Made in the USA
• Warranty: Lifetime Tooth Break Warranty

Design and Performance Features

• 3.5 TPI variable pitch design enhances chip clearance and reduces cutting vibration
• Matrix II bi-metal teeth with 8% cobalt ensure superior wear and heat resistance
• Reinforced alloy body delivers rigidity and maintains concentric accuracy
• ALL-ACCESS SLOT™ allows for faster plug removal and better chip evacuation
• Enhanced pilot visibility for precise alignment and hole placement
• Thermoset Coating minimizes friction, extends tool life, and keeps cuts cool
• Optimized for cordless tools, offering up to 25% increased productivity per charge
• Precision-balanced to reduce vibration and extend drill and saw longevity
• Engineered for professional-grade reliability and long-term jobsite use

Professional Summary

The Milwaukee® 49-56-0183 HOLE DOZER™ 3-1/4" Bi-Metal Hole Saw provides industrial-grade performance for professional contractors who require clean, accurate cuts through a variety of materials. Its Matrix II steel composition and Thermoset Coating deliver superior durability and cooler operation, while the ALL-ACCESS SLOT™ system streamlines chip removal and plug ejection. Optimized for cordless applications, this hole saw achieves greater cutting efficiency and consistency across repeated use. Supported by Milwaukee’s Lifetime Tooth Break Warranty, the HOLE DOZER™ 3-1/4" sets the standard for precision, endurance, and reliability in the field.