Titanium Golden Li Drill: The Ultimate Multipurpose Drilling Solution Review

[High Quality] This drill bit made of the HSS 4241 coated with quality titanium to reduce friction and heat, makes the bit longevity. [Step Design] This step cone drill titanium bit designed with the unique step structure, just use one drill and you can drill different size of holes instead of prepare variety of drill to complete our project. Double slot design that increases the cutting speed and automatically prevents entry, preventing the elimination of chips. [Easy To Use] This Hss drill bit is not easy to broken and you no need to use a center punch, it can do the better job such as deburring, chamfering, expand a hole, the shaking is smaller compared with the twist drill. [Warm Tips] This drill bit can be fits into power tools chuck securely and eliminates slip, you can use it with the pistol drill, bench drill. When the water is cooled while working, it can effectively extend the service life of the drill bit. The recommended drilling speed is 250-400 rpm. [Widely Used] The step drill bits are ideal for variety of materials such as metal, plastic, fiberglass, wood, we suggest apply to the thickness within 1mm. The size of handle: 1/4" quick-change hex shank for drilling.