The Hss 15.5Mm 135° 1/Card Reduced Shank Industrial Drill Bit Is A High-Quality Drill Bit Designed For Industrial Applications, Particularly When Drilling Through Tough Materials Such As Metal, Steel, And Alloys. 15.5Mm Diameter: Suitable For Creating Moderately Large Holes In Various Materials. 135-Degree Point: This Angle Helps Improve Cutting Efficiency, Reduces Walking, And Ensures Accurate Hole Placement By Providing A Self-Centering Action, Especially Important When Drilling In Metal. Reduced Shank: The Smaller Shank Size Allows The Bit To Fit Into Smaller Chuck Sizes While Still Providing The Strength And Performance Of A Larger Bit. This Feature Makes The Drill Bit Versatile For Use With Various Tools. Hss (High-Speed Steel): Known For Its Durability And Heat Resistance, Hss Makes This Bit Ideal For High-Speed Drilling Without Excessive Wear. Sold 1 Per Card: Convenient Packaging For Individual Users Or Small-Scale Projects. This Industrial Drill Bit Is Perfect For Professionals Needing Precise, High-Performance Drilling In Demanding Environments.