Somta Long Series Drill - HSS-E Parabolic Flute - 1.6mm

Meet the Somta Long Series Drill - HSS-E Parabolic Flute - 1.6mm, a purpose-built tool engineered for deep-hole challenges. This long-reach drill bit is designed to cut cleanly through thick materials in a single pass, unlocking precision where standard bits struggle.

• Long-series reach enables true deep-hole drilling, making it ideal for through-thickness applications without the need for multiple steps or tool changes.
• HSS-E construction delivers robust durability and heat resistance, so the bit stays sharp under demanding drilling tasks and high-temperature environments.
• Parabolic flute design enhances chip evacuation, reducing clogging and cutting forces for steadier drilling and longer tool life.
• Sharp cutting edges produce clean, accurate holes with smooth entry and exit—minimizing burrs and achieving better surface finish.
• Friction-reducing flute geometry helps control heat buildup, improving hole quality and extending the life of the drill in tough materials.
• Precise Ø 1.6 mm performance tailor-made for small-scale, high-precision drilling tasks where control matters most.

Designed for metalworking professionals, fabricators, and engineers, this drill shines in tasks like deep-hole drilling in steel, stainless steel, and other challenging metals. Use it in a drill press or CNC setup to achieve consistent hole geometry, tight tolerances, and reliable repeatability even when access is limited or material thickness is substantial.

Why choose the Somta Long Series drill for deep-hole projects? Its combination of extended reach, tough HSS-E material, and parabolic flute technology translates into fewer tool changes, reduced cycle times, and improved hole quality. It’s a practical upgrade over standard stub drills when you regularly encounter long, through-holes in demanding materials.

Practical tips for best results:

• Use steady feed and appropriate cutting speed to maintain corner sharpness and prevent wandering on small-diameter holes.
• Keep lubrication or coolant light to control heat buildup without washing away chips.
• Peck drilling isn’t typically necessary with a well-matched parabolic drill—let the flute evacuate chips efficiently to maintain cutting action.
• Inspect the flute and cutting edges after heavy use and re-sharpen as needed to preserve hole quality.