Milwaukee 49-56-9820 SHOCKWAVE 1-1/8" Bi-Metal Impact Duty Hole Saw, 8-Teeth Constant Pitch
The Milwaukee 49-56-9820 SHOCKWAVE Impact Duty Hole Saw is built to deliver a 1-1/8" (1.125-inch) cutting diameter for fast, clean, repeatable holes in wood, plastic, and thin-gauge metal. This hole saw combines a bi-metal blade with an 8-tooth thin wall constant pitch tooth design, giving pros a tool engineered for durability and consistent cutting performance even under the stress of repeated impact-duty use. As part of Milwaukee's SHOCKWAVE line, the 49-56-9820 is designed from the ground up to hold up to the demanding conditions found on real jobsites, helping tradespeople work faster without sacrificing cut quality or tool life.
Key Features
- Cutting Diameter: 1-1/8" (1.125-inch) diameter delivers precise, repeatable hole sizing for boxes, fixtures, and pass-throughs.
- Bi-Metal Blade Construction: Combines flexibility with edge retention to resist breakage and extend usable blade life.
- 8-Tooth Design: Delivers efficient chip removal and a smoother, more controlled cut through varied materials.
- Thin Wall Profile: Reduces material buildup inside the saw body and simplifies plug removal after each cut.
- Constant Pitch Tooth Pattern: Maintains even tooth engagement across the cutting edge for reduced vibration and cleaner cut walls.
- SHOCKWAVE Impact Duty Rating: Engineered to withstand the added stress of impact-driven applications for longer overall tool life.
- Consistent Cut Quality: The combined blade geometry and tooth pattern help maintain accuracy across repeated cuts.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Typical Applications
- Cutting Holes for Electrical Boxes and Conduit Penetrations
- Wood, Plastic, and Thin-Gauge Metal Drilling
- Plumbing and HVAC Rough-In Work
- General Construction and Remodeling Projects
- Cabinet, Fixture, and Millwork Installation
- Professional Jobsite and Contractor Use
Why Milwaukee?
Milwaukee's SHOCKWAVE Impact Duty hole saws pair bi-metal blade construction with a constant pitch, 8-tooth cutting pattern to deliver reliable, long-lasting performance on demanding jobsites. The thin wall profile keeps cuts clean and plug removal simple, while the impact duty rating helps the 49-56-9820 stand up to repeated, high-stress use. Trust Milwaukee for durable, dependable cutting accessories built for everyday professional trade work.
Manufacturer Resources
Product Specs
- Product Type:
- Hole Saw
- Department:
- Electrical
- Product Subgroup:
- Hole Saws & Bits