Accuracy: 60-degree angle center drill is suitable for drilling accurate center holes, 60-degree countersink holes or starting holes, and is suitable for larger drills in metal processing<br> 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<br> High quality: Our center drill is made of high-quality high-speed steel, which is strong and resistant to high temperature and wear resistance<br> Widely applicable: together with lathes and most electronic drills to drill hard materials such as steel, iron, aluminum, carbon steel, brass, etc., ranging from 170HB to 200HB<br> Material:High speed steel<br> colour:Silver<br> Package Contents:<br> 7 x Center Drill Bits Set<br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br> <br> <br> <br> <br> <br>