Reduced shank allows larger bits in smaller drill chucks Black oxide HSS for wear resistance and durability 118° point ideal for general-purpose metal drilling A dependable, general purpose drill designed to perform in a broad range of materials in the iron and steel families. Ideal for production, maintenance or portable drilling jobs. Surface treated with abrasion-resistant black oxide. Made of high speed steel with a 118° conventional point. Reduced Shank Drills expand the size range capacity of a portable drill chuck Bit Material Black Oxide Drill Bit Type Twist Drill Bit Type(s) Included Twist Material Application Aluminum,Angle Iron,Cast Iron,Copper,Duct/Sheet Metal,Gypsum,Nickel,PVC,Plaster,Steel,Vinyl Flooring,Wood Number of Pieces 1 Piece Pack Size 1 Shank Style Straight Tools Product Type Power Tool Bit Diameter 7/8 in Bit Length (in) 6 in Drilling Depth (in) 3 Shank Diameter 1/2 in