Guaranteed top performance and maximum productivity on hard metals and uneven surfaces! WALTER Carbide Core Cut annular cutters accurately drill large diameter holes in a variety of hard or abrasive materials such as stainless steel, cast iron, tough alloys or composite materialsThey outperform and outlast conventional HSS cutters and allow for higher speed and feed rates while requiring less effort to cut through some of the industry's toughest metals. Product Information Brand WALTER Part # 05D700 Origin Country CN Shank 3/4 Inch Size 1 Inch Product InformationTop quality, extra hard carbide inserts for outstanding performance throughout life Carbide teeth are ideal for drilling hard or uneven materials Carbide allows for approximately 2x the cutting speed compared to HSS Optimized flute and body design WelSuggested ApplicationDrilling holes on site or on large workpieces Drilling with magnetic drilling units For working on curved surfaces Ideal for working on stainless steel