Reduced Shank Twist Drill Bits 16.5mm Black Nitride & Gold Titanium Coated Hi...

• Enhanced cutting performance: The twist drill bit is made of high-strength alloy steel, combined with a special heat treatment process, to provide higher cutting strength and speed, suitable for heavy duty applications and improve work efficiency.
• Innovative half-shaft design: Unique shaft diameter reduction design makes it compatible with a wider range of portable electric drills and bench drills, reducing adjustment time during tool change.
• Advanced anti-rust coating: The use of blue oxide and titanium alloy double-layer coating technology provides excellent corrosion and wear resistance while reducing friction, improving lubrication and extending service life.
• Wider range of materials: Reduced shank drill are suitable for a variety of metal materials, including stainless steel, aluminum, brass, plastics, and composites, to meet a wide range of industrial and personal project needs.
• Precision drilling: The newly upgraded sharp spiral cutting