Pointed Drill Planumberebog: Features a 135° standard retreat corner plan, enhancing drilling efficiency, with pointed drill fringes that quickly and effectively pervade various metal materials, reducing resistance and heat develop Excellent Substancemail: Produced from 4341 rapid steel, offering high hardness and strong wear resistance, specifically developed for rustless and metal materials, ensuring stable execution in extreme work conditions Stable Drilling Executparticlemail: Accuracy manufacturing ensures good drilling stability, stopping eccentricity and variation, making it simple handle different substance drilling demands in both workshop and artisanal undertakings Wide Applicatparticlemail: Twelve hundred drilling steel dishes, rustless, and other metal materials, meeting the demands of industrial processing, mechanical repairs, and construction applications, ideal for specialists and enthusiasts Accuracy Churrysinging: Advanced accuracy crushing process ensures a smooth face and excellent crushing accuracy, with aspect strictly controlled for more stable and effective use, Manufacturer: JSGHGDF