Kechtek special drill bits for PCB with common shank in 3.175mm (1/8″) and 2.0mm, high cost-performance micro-grain tungsten carbide with less wear and less drill breakages, used for PCB drilling of small through holes and via holes on foils and inner layers.
The standard drills range from 0.05 mm to 6.50 mm to meet different hole diameters requirements of customer. Drill bits can be categorized into bellow major types, including ST (straight drill), UC (undercut drill), ID (inverse drill), SD (slot drill), MD (micro drill), UD (universal drill).