High-precision cutting titanium screws that are different from conventional screws. Ultra-precise machined screw that has a precise central axis that is created by cutting, and does not distort when fixing parts, enabling ultra-accurate machine make. Made of titanium, it is lightweight, and the screw head has a radiant finish that can only be cut. The mechanical atmosphere is greatly improved. It can be said that it is an indispensable item for creating a supreme machine.