Package Include 1 x bag of 12pcs 60 degree center drill bits Characteristics -Material: High-speed Steel center drill bit kit. -Color: Silver center drills for metal. -Product Info:Center drill - Diameter: 1.5/2/2.5/3/4/5mm chamfering drill kit. - This high-speed steel center drill bits is mainly used for the prefabricated precise positioning of hole machining, guiding drills for hole machining, thereby reducing errors center drill bit. - This center drill bit is made of high-speed steel, with high hardness and good wear resistance centering drill. - This 60 degree center drill bit has 6 different size center drill bits, which can be used to drill holes of different sizes centering drill bit. - Quality material, ensure its durability and practicability center drill bits. - 1.5/2/2.5/3/4/5mm, for each 2pcs, 12pcs in total centre drill.Goods Descriptioncenter drill bit drills are traditionally used to make a conical hole for a lathe center.centre drill Very professional and practical, easy to install.centering drill bit Applicable to ≤35° of materials, steel, aluminum and other materials Chamfering drill kit:high-speed steel, wear resistance, ​high hardness, strong cutting,centering drill bit Centering drill:can not only be used on a lathe, but also can be installed at the end of the workpiece in the center of the lathe​​,center drill bits Center drill bit:12pcs type a 60 degree high- drill bit,center drills for metal Centre drill:this 60 degree center drill bit has 6 different size center drill bits, which can be used to drill holes of different sizes​,chamfering drill kit Center drill bit kit:this center drill bit is made of high-speed steel, with high hardness and good wear resistance​,centre drill ASIN B0FM6YJ1CF Brand Name POPETPOP Part Number WNJ384O34T07WT Manufacturer POPETPOP