Twist drill bit
01
트위스트 드릴 비트, 나선형 드릴 비트
a common type of drilling tool consisting of a cylindrical shaft with spiral flutes and a pointed tip, designed to create holes in various materials by rotating and drilling into them
예시들
Make sure to keep the twist drill bit sharp to ensure smooth drilling and avoid damage to the material.
원활한 드릴링을 보장하고 재료에 손상을 피하기 위해 트위스트 드릴 비트를 날카롭게 유지하세요.
