1-1/8" Bi-Metal Hole Saw Bulk, Rip Guard 3.5 TPI

Milwaukee 49-56-0052 HOLE DOZER™ Bi-Metal Hole Saw 1-1/8" – Professional Technical Information

The Milwaukee 49-56-0052 HOLE DOZER™ Bi-Metal Hole Saw is a professional-grade cutting solution engineered for extended performance and durability in metal and multi-material applications. Designed and manufactured in the USA, this tool integrates Milwaukee’s proprietary Rip Guard™ tooth design and Plug Jack™ all-access slot technology to maximize productivity, reduce downtime, and deliver precision in high-demand jobsite conditions. Constructed with 8% cobalt alloy for enhanced heat resistance and edge retention, the HOLE DOZER™ ensures consistent cutting quality and long service life under rigorous operating conditions.

Technical Specifications

• Manufacturer: Milwaukee Tool
• Model Number: 49-56-0052
• Product Type: HOLE DOZER™ Bi-Metal Hole Saw
• Diameter: 1-1/8 inch (28.6 mm)
• Material Composition: Bi-Metal Construction with 8% Cobalt Alloy Teeth
• Tooth Design: Rip Guard™ Reinforced Tooth Form for Increased Strength and Longevity
• Slot Design: Plug Jack™ All-Access Slot for Enhanced Plug Removal Efficiency
• Cutting Edge Reinforcement: Extra Steel Behind Teeth for Impact Resistance and Stability
• Cutting Depth: 1-5/8 inch (Standard for HOLE DOZER™ Series)
• Arbor Compatibility: Fits Standard 3/8” and 1/2” Hole Saw Arbors
• Material Capability: Metal, Wood, PVC, Aluminum, Stainless Steel, and Composite Materials
• Coating: Thermoset Coating for Reduced Friction and Optimized Cutting Efficiency
• Construction Type: Welded Bi-Metal for Enhanced Tooth Integrity and Durability
• Temperature Resistance: Maintains Edge Integrity in High-Heat Applications
• Country of Manufacture: USA
• Warranty: Rip Guard™ Limited Lifetime Tooth Break Warranty

Performance and Application Features

• Features Milwaukee’s Rip Guard™ tooth geometry, engineered for maximum impact strength and resistance to breakage during demanding cutting operations.
• Constructed with an 8% cobalt alloy for superior heat resistance, ensuring extended life and performance in ferrous and non-ferrous materials.
• Plug Jack™ all-access slot design enables complete plug removal by providing multiple leverage points across both thin and thick materials.
• Enhanced steel backing reinforces the cutting edge for consistent tooth performance under heavy load and repeated use.
• Thermoset coating minimizes friction and optimizes cutting speed, particularly effective for cordless tool applications by extending battery life.
• Compatible with standard hole saw arbors for fast interchangeability and minimal downtime during tool setup.
• Provides precision, clean-edged cuts suitable for electrical, plumbing, HVAC, and metal fabrication applications.
• Engineered for consistent hole integrity and reduced vibration, minimizing tool wear and operator fatigue.
• Built to withstand industrial-grade workloads while maintaining optimal cutting geometry throughout the lifespan of the tool.

Professional Summary

The Milwaukee 49-56-0052 HOLE DOZER™ Bi-Metal Hole Saw delivers professional performance, durability, and cutting precision across a wide range of applications. Its Rip Guard™ tooth reinforcement and 8% cobalt alloy construction provide exceptional wear resistance and tool life, while the Plug Jack™ slot system ensures faster plug removal and minimal downtime. Designed for contractors, electricians, plumbers, and metal fabricators, this hole saw combines structural integrity, efficiency, and reliability for consistent, high-quality results in both field and workshop environments.