| Accuracy: 60-degree angle center drill is suitable for drilling center holes, 60-degree countersink holes or starting holes, and is suitable for larger drills in metal processing Multiple sizes: including 7 ordinary center drill bits, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0 to meet different needs High quality: Our center drill is made of high-quality high-speed steel, which is strong and resistant to high temperature and wear resistance Widely applicable: with lathes and electronic drills to drill hard materials such as steel, iron, aluminum, carbon steel, , etc., ranging from 170HB to 200HB Material:High speed steel colour:Silver Package Contents: 7 x Center Drill Bits Set Only the above package … | |