HOLE SAW BI-METAL 2-1/2" *Brand Name: Milwaukee *Sub Brand: Hole Dozer *Diameter: 1/4 in. *Material: Bi-Metal *Product Type: Hole Saw with Arbor and Pilot Bit *Number in Package: 1 pk *Cutting Depth: 1.8 in. *Arbor Included: Yes *Length: 3.5 in. *Shank Diameter: 3/8 in. *Usage: Multi-Purpose *Height: 5.5 in. *RPM Aluminum: 205 rpm. *RPM Cast Iron: 90 rpm. *RPM Mild Steel: 135 rpm. *RPM Stainless Steel: 65 rpm. *Size: 2-1/2 in. *Teeth per Inch: 3.5 TPI *Vendor Internet Sales Policy: Sale of this product on third-party online marketplaces (eg. Amazon, eBay, Walmart) is prohibited. *Weight: 0.65lb. *Width: 3.9 in. *Discovery ACC, CON, NBR, SUP, EXP