Drill bits for the implant of the invention 100 is mounted on the mounting handpiece (110) , the jaw and a cutting unit 130 for cutting a hole in the processing , the mounting portion 110 and the cutting portion 130 is formed to be connected coaxially to one , the cutting section 130 to inject water into the cooling water injection section 150 and including , cooling water injection unit 150 is a spiral in the direction of rotation opposite to the direction of the cooling water to the 151 of the spiral is concavely formed and the cutting portion 130 is formed .본 발명의 임플란트용 드릴비트(100)는 핸드피스에 장착되는 장착부(110), 턱뼈를 절삭하여 구멍을 가공하는 절삭부(130)와, 장착부(110)와 절삭부(130)를 동축으로 하나로 연결하게 형성되고, 절삭부(130)에 냉각수를 주입하는 냉각수주입부(150)를 포함하고, 냉각수주입부(150)는 나선형의 냉각수로(151)가 오목하게 형성되고 절삭부(130)의 회전방향과 반대방향으로 나선이 형성된다.