3PCS High Step Steel Titanium Drill Bits Set Power Tools 4-12/4-20/4-32mm Hex Shank Drive for Metal Wood Steel

• 100% brand new and high quality
• This compact set replaces 15 individual drill bits.Save your money and easy for storage
• New technology in drill Materia; HSS combined with a titanium coating.More capable and durable.
• Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake.
• The hex shank drill bits titanium is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc

"Material & manufacturing: Made of high-speed titanium coated steel, long life. Convenient & widely used: Hexagonal shank titanium drills are suitable for use in the work of various materials, steel plates, aluminium, copper, stainless steel, plastic boxes and chassis. Design & smooth cutting: This is a dual-slot design that increases cutting speed and automatically prevents centering, preventing walking and smoother removal of chips. Specifications: 4-32mm (4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm) weighs 150 grams 4-20mm (4,6,8,10,12,14,16,18,20mm) weighs 50 grams 4-12mm (4,6,8,10,12mm) weighs 20 grams The main use of size: 4-12mm / 4-20mm / 4-32mm, handle: 1/4 ""quick change hex shank. Note: Use tools: pistol drill, bench drill. When the water is cooled while working, it can effectively extend the service life of the drill bit. The recommended drilling speed is 250-400 rpm. Package Included: 3pcs Hss Step Cone Drill Bit 1pcs Nylon Bag"