Milling drill bit for metal 5 mm by YATO YT-44822 Milling drill bit made of high quality HSS 4241 high speed steel coated with titanium nitride Designed for professional, industrial applications HSS steel provides several times faster drilling in stainless, acid-resistant and structural steel Cross-blade „Split Point” with a 118° apex angle allows drilling without prior scoring, even with large drill diameters, guaranteeing perfect centering They allow drilling in any direction and at any angle, making them ideal for drilling holeso for door locks, among other things The ground surface ensures excellent drilling precision Made from a single piece of steel, making them very strong and durable Hard 58–62 HRC coating coated with titanium nitride maintains resistance to damage and dullness, maintaining drill geometry• Lower drilling temperature and fast heat dissipation do not melt zinc and pos corrosion of the drill bits• lower friction coefficient reduces the adhesion of swirls and filings to the drill bits• 1/4&Prime hex shank; (6. 3 mm).
