The Tap Hss 12x1.75Mm & Drill 10.3Mm 2-Piece Set Includes Both A High-Speed Steel (Hss) Tap And A Corresponding Drill Bit. The Tap Is Designed To Create Internal Threads With A 12Mm Diameter And A 1.75Mm Thread Pitch, Ideal For Applications That Require 12Mm Threaded Fasteners. The Included 10.3Mm Drill Bit Is The Correct Size To Pre-Drill Holes Before Tapping, Ensuring Optimal Thread Formation. Both Pieces Are Made From High-Quality Hss Material, Offering Durability, Heat Resistance, And Wear Resistance For Use In Metals, Plastics, Or Other Materials. This Set Is Perfect For Industrial, Automotive, Or Mechanical Applications.