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

Milwaukee® 49-56-0147 HOLE DOZER™ 2-1/2" Bi-Metal Hole Saw – Technical Product Information

The Milwaukee® 49-56-0147 HOLE DOZER™ 2-1/2" Bi-Metal Hole Saw is engineered for professional drilling applications requiring high endurance, precision, and efficiency. Featuring a 3.5 TPI variable pitch tooth design, it provides smooth and fast cutting through metals, wood, and composite materials. The Matrix II high-speed steel teeth with 8% cobalt alloy deliver exceptional resistance to heat and wear, ensuring maximum tool life even in the most demanding applications. Milwaukee’s ALL-ACCESS SLOT™ configuration allows for faster plug removal, improved pilot visibility, and superior chip evacuation. A Thermoset Coating minimizes friction and heat buildup while improving performance in cordless tools, enabling up to 25% more holes per charge. Manufactured in the USA, the HOLE DOZER™ line represents professional-grade performance and reliability on the jobsite.

Technical Specifications

• Manufacturer: Milwaukee Tool
• Model Number: 49-56-0147
• Series: HOLE DOZER™ Bi-Metal Series
• Tool Type: Bi-Metal Hole Saw
• Diameter: 2-1/2 inches (63.5 mm)
• Tooth Configuration: 3.5 TPI variable pitch tooth design
• Tooth Material: Matrix II high-speed steel with 8% cobalt content
• Body Material: Reinforced alloy steel with precision-balanced construction
• Cutting Depth: 1-5/8 inches (41.3 mm)
• Slot Design: ALL-ACCESS SLOT™ for efficient plug ejection and chip clearance
• Surface Coating: Thermoset Coating for friction reduction and extended tool life
• Efficiency: Provides up to 25% more holes per charge on cordless systems
• Application Use: Electrical, plumbing, HVAC, and mechanical installation tasks
• Material Capability: Ferrous and non-ferrous metals, aluminum, stainless steel, wood, and PVC
• Compatible Arbors: Standard and quick-change arbors with pilot bits
• Recommended Speed Range: Based on substrate per manufacturer cutting speed chart
• Operating Power: Corded and cordless drill systems
• Manufacturing Origin: Made in the USA
• Warranty: Lifetime Tooth Break Warranty

Design and Performance Features

• 3.5 TPI variable pitch teeth ensure smoother and faster cuts with reduced vibration
• Matrix II bi-metal construction provides high heat resistance and extended wear performance
• ALL-ACCESS SLOT™ system allows easy plug removal, fast chip ejection, and clear pilot line of sight
• Thermoset Coating improves cutting efficiency and tool longevity while keeping the blade cool
• Optimized for cordless use, providing improved runtime and cutting speed efficiency
• Precision-balanced alloy body minimizes runout and ensures clean, concentric holes
• Engineered for multipurpose use in commercial, industrial, and mechanical environments
• Durable design supports long-term use in metal fabrication, conduit cutting, and construction
• Manufactured in the USA for consistent performance and dimensional accuracy

Professional Summary

The Milwaukee® 49-56-0147 HOLE DOZER™ 2-1/2" Bi-Metal Hole Saw provides contractors with a high-performance, durable solution for precise hole cutting in demanding environments. Built with Matrix II high-speed steel teeth and featuring Milwaukee’s ALL-ACCESS SLOT™ design, it ensures smooth material removal, minimal downtime, and reliable accuracy. Its Thermoset Coating enhances cutting efficiency and tool life, particularly in cordless applications, delivering maximum productivity and consistency across professional jobsite conditions. Backed by Milwaukee’s Lifetime Tooth Break Warranty, the 2-1/2" HOLE DOZER™ stands as a dependable choice for precision-driven trades.