The Drill Bit Hss Standard 13.5Mm With A Reduced Shank Is A High-Speed Steel (Hss) Drill Bit Designed For General-Purpose Drilling In Materials Like Metal, Wood, And Plastic. The 13.5Mm Diameter Makes It Suitable For Creating Medium-Sized Holes. The Reduced Shank Allows It To Be Used In Drills With Smaller Chucks (Typically 1/2 Or Smaller), Providing Flexibility While Maintaining The Strength And Durability Of The Larger Diameter Bit. The High-Speed Steel Construction Ensures The Drill Bit Can Withstand High Temperatures, Offering Longevity And Precision. This Drill Bit Comes In A Single Card For Easy Storage And Use In Professional And Diy Applications.