• Diameter: 4"

• Shank: 3/8"

• Drill Fast, Accurate Holes Through Materials Up To 1" Depth

• Cuts Cast Iron, Steel, Stainless Steel, Aluminum/Pipe And FRP/PVC

• Ultra-Sharp, Triple-Edge Tungsten Carbide Teeth Cut Quick, Smooth, Perfectly Round Holes

• Flattened Shank For Use In Power Drills And Drill Presses

• Safety Collar Stop Prevents Over-Penetration For Safer Operation

• Spring Loaded Pilot Drill Ejects Metal Plug Quickly For Increased Productivity

• Significantly Outperforms Bi-Metal Hole Saws

• Perfect Portable Tool For The Professional Contractor, Electrician, Plumber And HVAC/Sheet Metal Tradesman

• Follow Speed Recommendation Chart Based On Material And Diameter For Best Results

Warning this product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.