UC type groove effectively improves the quality of the hole wall and improves the deformation of short groove holes.
ST type groove, suitable for conventional slot machining.
The chip breaking type large drill, with the addition of chip breaking grooves and cross blade grinding design, can effectively reduce the entanglement of the drill bit after machining and improve the quality of the hole wall.
Universal large drill with overlapping main surface design to alleviate cutting resistance under high feed of large drill.
ST type back drill specialized drill needle, solves the problem of back drill plug hole and copper chip residue, ensuring good hole wall quality.
ST type double-edged double groove drill bit is mainly used in soft board, special fluorine board and other occasions, which can effectively solve wire entanglement.
