The Hss 18.5Mm Drill Bit (135° Point, Reduced Shank, 1 Per Card, Industrial Grade) Is A High-Speed Steel (Hss) Drill Bit Designed For Industrial Use. It Features An 18.5Mm Diameter And A 135-Degree Point Angle For Faster, More Efficient Drilling, Especially In Tougher Materials. The Reduced Shank Allows It To Fit In Drills With Smaller Chucks, Making It Versatile For A Wide Range Of Applications. This Drill Bit Is Sold Individually And Is Built For Durability And Precision, Making It Ideal For Heavy-Duty Drilling Tasks In Metal, Wood, And Other Materials.