Straight Shank Solid Carbide Drill Bit For CNC Machining

This 3D/5D solid shank drill adopts ultra‑fine particle solid carbide. With premium TISIN nano coating, it achieves excellent heat‑resistance and wear‑resistance. Optional internal‑through coolant hole greatly optimizes heat dissipation and chip evacuation. The 140° crescent profile twin‑cutting‑edge tip ensures sharp cutting, clean chip removal without chipping. Capable for drilling material up to HRC 60°, widely applied to stainless steel, mold steel, alloy steel and spring steel. Perfect match for CNC machining centers and precision drilling machines. Multiple sizes are in stock for quick wholesale delivery.