Manufacturer Part Number: 177665|Hole Saw Compatibility|MHS66Saw Diameter (Inch)|4-1/8Saw Diameter (Decimal Inch)|Saw Diameter (mm)|Saw Material|Bi-MetalCutting Depth (Inch)|Cutting Depth (mm)|Cutting Depth (Decimal Inch)|1.9370Cutting Edge Style|ToothedMaterial Application|Machinable Metal; Nail-Embedded Wood; Plastic; Stainless Steel; WoodPitch Pattern|VariableFor Copper Tube Size (Fractional Inch)|For Copper Tube Size (mm)|Pipe Size Compatibility (Inch)|For Conduit Trade Size (Fractional Inch)|Arbor Compatibility Number|Teeth Per Inch|Recommended RPM|Shank Cross-section Shape|Pipe Tap Compatibility (Inch)|4Shank Diameter (Inch)|Shank Diameter (mm)|Material Grade|M42Color|Arbored - Y/N|Kit Includes|Product Service Code|UNSPSC Code|27112826