300/350/400mm Extra Long High-Speed Steel Twist Drill Bit - 13-29MM Morse Taper Shank for Metalworking（1pcs）(21x400mm)

Material : High Speed SteelUse : Metal DrillingThe HSS material has undergone a special heat treatment process, combining high hardness and toughness to cut metal stably at high speeds.The spiral flute devise optimises the chip path, reduces chip clogging and friction heat generation, and extends the life of the drill.Suitable for standard Morse taper drilling, milling and boring machines, and can be used in conjunction with coolant to further enhance machining efficiency and drill durability.Package Included: 1pcs Drill Bit

• High-speed steel construction ensures excellent hardness and wear resistance, maintaining sharpness during high-speed cutting for optimal performance in metalworking.
• Morse taper shank devise allows for automatic centering and secure fixation, eliminating the need for additional clamping devices while efficiently transmitting high torque.
• Spiral groove devise enhances chip discharge, preventing clogging and ensuring smooth operation, making it ideal for drilling, reaming, and other machining tasks.
• 135-degree cutting edge geometry optimizes cutting efficiency and precision, perfect for machinery manufacturing and mold processing in high-speed applications.
• Compatible with standard Morse taper drilling, milling, and boring machines; can be used with coolant to improve machining efficiency and extend drill life.