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

Milwaukee® 49-56-0173 HOLE DOZER™ 3" Bi-Metal Hole Saw – Technical Product Information

The Milwaukee® 49-56-0173 HOLE DOZER™ 3" Bi-Metal Hole Saw is engineered for maximum durability, extended tool life, and precision cutting performance in professional applications. Designed with a 3.5 TPI variable pitch tooth pattern, this hole saw optimizes cutting efficiency across a wide range of metals, wood, and composite materials. The advanced ALL-ACCESS SLOT™ geometry allows for faster plug removal, improved pilot visibility, and superior chip evacuation to maintain cooler cutting temperatures. Featuring a Thermoset Coating and optimized design for cordless tool use, the HOLE DOZER™ delivers longer battery life and reduced downtime, making it a robust solution for contractors requiring consistent hole quality and tool longevity.

Technical Specifications

• Manufacturer: Milwaukee Tool
• Model Number: 49-56-0173
• Product Series: HOLE DOZER™ Bi-Metal Series
• Tool Type: Bi-Metal Hole Saw
• Diameter: 3 inches (76.2 mm)
• Tooth Design: 3.5 TPI variable pitch bi-metal teeth
• Tooth Material: Matrix II high-speed steel teeth with 8% cobalt content for wear resistance
• Body Material: Alloy steel body for structural rigidity
• Cutting Depth: 1-5/8 inches (41.3 mm)
• Slot Type: ALL-ACCESS SLOT™ design for enhanced chip ejection and plug removal
• Surface Coating: Thermoset Coating for reduced friction and faster cutting
• Compatible Tools: Standard and quick-change arbors for corded and cordless drills
• Optimized For: Cordless drilling systems; delivers up to 25% more holes per battery charge
• Applications: Metal fabrication, electrical, plumbing, and mechanical installation work
• Cutting Capability: Mild steel, stainless steel, aluminum, brass, wood, and plastic
• Shank Compatibility: 3/8 in. and 1/2 in. drill arbors
• Operating Speed Range: Variable RPM depending on material type (manufacturer guidelines apply)
• Manufacturing Origin: Made in the USA
• Warranty: Lifetime Tooth Break Warranty

Design and Performance Features

• 3.5 TPI variable pitch teeth engineered for faster, smoother cuts in a variety of materials
• Bi-metal tooth construction with cobalt alloy reinforcement for exceptional heat and wear resistance
• ALL-ACCESS SLOT™ design provides faster plug removal, improved chip flow, and increased pilot bit visibility
• Thermoset Coating reduces friction and heat buildup, extending tool life and cutting efficiency
• Optimized geometry delivers up to 25% more holes per charge when used with cordless drills
• Durable alloy steel body maintains rigidity and precision under heavy cutting loads
• Compatible with Milwaukee® universal and quick-change arbors for rapid bit swaps
• Engineered to maintain cutting accuracy and consistent bore finish across repeated use
• Suitable for general-purpose professional drilling applications across construction and maintenance trades

Professional Summary

The Milwaukee® 49-56-0173 HOLE DOZER™ 3" Bi-Metal Hole Saw combines structural resilience, efficient chip management, and extended service life for professional drilling operations. Its 3.5 TPI bi-metal tooth design and Thermoset Coating ensure rapid cutting performance with reduced heat buildup and wear. The ALL-ACCESS SLOT™ feature streamlines plug removal and improves operational productivity in repetitive hole-cutting applications. Optimized for both corded and cordless drills, this hole saw delivers superior cutting efficiency in metals, composites, and wood, making it a preferred solution for HVAC, plumbing, and electrical contractors requiring precision and endurance under jobsite conditions.