Bosch HB450 Bi-Metal Power Change Hole Saw, 4-1/2" N/A Length Under Head: 1-5/8"

Length Under Head: 1-5/8"

It improves working characteristics and performance of cement-based mixes to boost water resistance

Powder coated steel frame and base plate with 1 1/4-inch tube handles

Utilizes special base oils to provide superior protection against oil burn off

Provides breakthrough protection to keep patio furniture looking like new

Bosch HB450 Bi-Metal Power Change Hole Saw, 4-1/2" N/A Length Under Head: 1-5/8"Highlights: Type: Multi Purpose Diameter: 4 1 2" Cutting Depth: 1 5 8" Cutting Edge Material: 8% Cobalt Body Material: Bimetal Tooth Pattern: Progressive Chuck Size: 3 8" Shank Type: Hexagonal Applicable Materials: Aluminum, Brass, Bronze, Copper, Plastic, Stainless Steel And Wood Special Features: 8 Deg Cutting Angle For use with model HSBAL, HSBAM, HSBAMP, PCM38, PCM12, PCMSDSPL Mandrel Progressor tooth design for faster cutting and longer life