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

Milwaukee® 49-56-0213 HOLE DOZER™ 4" Bi-Metal Hole Saw – Technical Product Information

The Milwaukee® 49-56-0213 HOLE DOZER™ 4" Bi-Metal Hole Saw is built for professional-grade cutting applications across metal, wood, and composite materials. Featuring a 3.5 TPI variable pitch tooth design, it delivers extended cutting life, faster material penetration, and superior durability. Constructed with Matrix II high-speed steel teeth containing 8% cobalt alloy, this hole saw provides outstanding heat resistance and wear performance. The ALL-ACCESS SLOT™ configuration enables efficient chip ejection, improved pilot visibility, and rapid plug removal, minimizing downtime. With a Thermoset Coating for reduced friction and optimized cordless tool performance, this hole saw ensures consistent productivity and longevity under high-demand jobsite conditions.

Technical Specifications

• Manufacturer: Milwaukee Tool
• Model Number: 49-56-0213
• Series: HOLE DOZER™ Bi-Metal Series
• Tool Type: Bi-Metal Hole Saw
• Diameter: 4 inches (101.6 mm)
• Tooth Configuration: 3.5 TPI variable pitch
• Tooth Material: Matrix II high-speed steel with 8% cobalt alloy
• Body Material: Reinforced alloy steel with precision-balanced design
• Cutting Depth: 1-5/8 inches (41.3 mm)
• Slot Geometry: ALL-ACCESS SLOT™ for faster plug removal and enhanced chip evacuation
• Surface Finish: Thermoset Coating to reduce friction and heat generation
• Performance Efficiency: Delivers up to 25% more holes per cordless drill charge
• Operating Compatibility: Cordless and corded drilling systems
• Applications: Electrical, plumbing, HVAC, mechanical, and construction drilling tasks
• Material Capability: Ferrous and non-ferrous metals, aluminum, stainless steel, wood, and PVC
• Compatible Arbor Types: Standard and quick-change arbors with pilot bits
• Operating Speeds: Dependent on substrate (refer to manufacturer cutting chart)
• Manufacturing Origin: Made in the USA
• Warranty: Lifetime Tooth Break Warranty

Design and Performance Features

• 3.5 TPI variable pitch teeth for faster, smoother cuts and reduced vibration during operation
• Matrix II bi-metal tooth design provides superior heat resistance and extended service life
• ALL-ACCESS SLOT™ enables rapid plug removal, efficient chip flow, and clear pilot sightlines
• Thermoset Coating minimizes friction, reduces cutting heat, and optimizes speed
• Durable alloy steel body ensures consistent cutting precision and structural stability
• Optimized for cordless tools, improving runtime and performance by up to 25%
• Universal compatibility with quick-change and standard arbors for seamless tool transitions
• Designed for precision hole formation in metal fabrication, conduit work, and system installations
• Engineered and manufactured in the USA to meet professional trade performance standards

Professional Summary

The Milwaukee® 49-56-0213 HOLE DOZER™ 4" Bi-Metal Hole Saw provides contractors with a high-performance, long-life cutting tool engineered for accuracy, speed, and durability. Its 3.5 TPI Matrix II tooth configuration offers enhanced cutting control and material penetration across metal and mixed substrates. The ALL-ACCESS SLOT™ design ensures efficient plug ejection and superior pilot visibility, while the Thermoset Coating enhances tool longevity and cordless efficiency. Built for professional-grade use, this 4" HOLE DOZER™ delivers consistent, reliable results in demanding commercial and industrial drilling environments.