300/350/400mm Extra Long High-Speed Steel Twist Drill Bit - 13-29MM Morse Taper Shank for Metalworking(1pcs)(21.5x400mm)

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

• Constructed from high-speed steel, this drill bit offers exceptional hardness and wear resistance, ensuring a sharp edge for high-speed cutting.
• The Morse taper shank devise allows for automatic centering and secure fixation, effectively transmitting high torque and minimizing slippage during use.
• Featuring a spiral groove structure, this twist drill efficiently guides chip discharge to prevent clogging, enhancing overall drilling performance.
• Optimized 135-degree cutting edge geometry improves precision and cutting efficiency, making it ideal for drilling, reaming, and basic machining tasks.
• Perfect for machinery manufacturing and mold processing, this drill bit is devised for high-speed mass production, combining durability and cost-effectiveness.