Flat drill

The cutting part of flat drill is spade form, structure is simple, manufacturing cost is low, in cutting fluid leads into hole easily, but performance of cutting and discharge chip is poorer. Flat drill structure has two types of integral and assembled. The whole is mainly used for drilling 0.03 ~ 0.5 mm diameter micro hole. Prefabricated flat drill blade can be changed, can use internal cooling, mainly used for drilling 25 ~ 500mm diameter of large holes.

Deep hole drilling

Deep hole drilling is usually refers to the processing of hole depth to aperture ratio greater than 6. Commonly used gun drill, BTA deep hole drill, jet drill, DF deep hole drill and so on. Sleeve drills are also commonly used for deep hole machining.

Welcome to Behappy Crafts, we are the professional manufacturer of power tool accessories, we are specialized in drill bits, hole saw, cutting discs, etc. We produce various types of twsit drill bits, HSS4241, HSS4341, M35, M2, etc for metal working. Our Hss Co Twsit drill bits can be used to drill holes on stainless steels, fast working and dural to use. We can do the different surface treatment for the drill bits, like bright finish, tin coated, amber finish as per request.  We can also customize customers logos on the twist drill bits and package. So Weclome to visit us and start our cooperation soon.