100-length Solid Hard Alloy 55-degree Tungsten Steel Bright Uncoated Spot Drill Bit for Nonferrous Metals Wugang Twist 3-Year
These 55-degree extra-long twist drills are constructed from premium solid tungsten carbide with advanced wear-resistant coating, featuring 100mm overall length. Available in fine-tuned diameters from 1.5mm to 3.5mm, they are engineered for precision deep-hole drilling on CNC equipment for materials up to 55HRC.
The optimized 55° helix angle and mirror-polished flutes guarantee smooth chip flow and steady cutting performance. The high-hardness coating delivers outstanding wear resistance, vibration absorption and edge retention, ensuring clean burr-free holes with consistent dimensional precision.
Perfect for extended-reach and deep-hole machining of hardened steels and alloys, they reduce tool changeovers and eliminate extra finishing steps. They offer prolonged service life, cut overall tooling costs and effectively boost comprehensive machining productivity.
