15 Pcs HSS Gold Cobalt Drill Bit Set, Metal Bits for Hard Steel, Metric High Speed Steel Set Drilling Stainless & Metal, Cast Iron, Copper, Aluminum (3mm)

PACKAGE LISTING:The Package Contains 15 Hss Gold Cobalt Drill BIts, With A Drill Bit Diameter Of 3mm And A Length Of 60mm. It Is Sufficient In Quantity And Suitable In Size To Meet Your Usage And Replacement Needs HIGH-QUALITY MATERIAL:Our Drill Bits Are Made Of High-Quality High-Speed Steel, Which Has High Hardness And Excellent Performance. It Has Strong Wear Resistance And Durability, So You Can Use It For A Long Time FULLY MILLED SPIRAL DESIGN:The Drill Bit Adopts A Fully Milled Spiral Design, Which Can Help You Remove Debris Quickly And Smoothly, Reduce Friction And Heat, And Make It More Effective WIDE APPLICATION:It Can Be Widely Used To Drill Various Types Of Hard Metals And Softer Metals. At The Same Time, It Is Suitable For Various Electric Drills, Such As Pillar Drills, Handheld Electric Drills, Battery-Powered Drills, Etc. EASY TO USE:It Is Very Easy To Use And Can Be Self-Centering. Its Strong Stability Makes It Not Easy To Slip, And It Also Makes Its Penetration Speed Faster, So That You Can Better Save Effort And Improve Efficiency