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Name : drill bit set
Material:HSS4241
Detail size:
| saw drill |
6mm*1pc |
| ladde drll |
4-12mm*1pc |
| umbrella drill |
8-20mm*1pc |
| chamfer drill |
12.4mm*90 *1pc |
Trial range: mahogany, wood board, particle board, medium density board, etc.!
square drill was mainly used in carpentry. The reason is that there is a shock body, which uses this
principle to drill steel, iron, material, the strength of the cutting tool to have a high demand. The concrete
principle is as follows: square hole drill, belong to a kind of hardware tool, mainly from inside revolving
impact body and exterior impact body composition. The existing variety of drill, only the circular hole, can
not process square hole, if you want to machining square hole, you must use a round hole drill or cutting
machine after rough hole, and then by hand chisel. The utility model using rotating body drilled hole at the
same time, uses the impact force to the impact of the transferred by an electric hammer, crushing the
material between the hole and the wall of the square, one-time processing Cheng Fangkong, and the
broken dust can be discharged from the slag discharging pipe. Use of different specifications of square
hole drill, matching the appropriate power of the square hole machine, you can play in line with the
requirements of the square hole. Can reduce the labor intensity of the construction workers, speed up the
construction, reduce construction costs, suitable for construction, installation, decoration, decoration
industry use.
