Mtsooning 10Pcs 0.9mm Micro HSS Straight Shank Drill Bits, Premium Twist Bore Bit Set Electrical Drilling Tool for Wood, Metal, Steel, Plastic, Aluminum Alloy impact drivers - SZ050090031323RK-5

• UPC   682698804582
• Material: Cobalt steel twist drill has good wear resistance and excellent cutting performance, reduces the impact sensitivity of the drill, and has a longer service life than ordinary high-speed steel. Design and performance: The 2 grooves on the cobalt steel twist drill help to remove debris from the drill, and the heat resistance and excellent cutting efficiency brought by cobalt steel improve the user experience. Contents: This cobalt twist drill bit set includes 10 pieces of 0.9mm precision drill bits packaged in a plastic box for easy access and storage. Application: Cobalt HSS twist drills are better for hardened materials and are suitable for cutting stainless steel, steel and cast iron as well as wood, aluminum alloys and other softer metals. After-sales service: If you have any problems with use, replacement, damage, etc., please contact us when you need help, we will provide you with a good shopping experience.