Description:

TIP AND EDGEThe best designed Drilling Point tip and 4 Cutting Corner to enable the fast drilling and penetrating into working pieces of wood very smooth and fast.. ADVANTAGEWith long drill core and square chisel, easy to lock the hole on the wood, can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs.. MATERIALMade of High-carbon steel, through heat processing, with high hardness (48-50 HRC) drill bits, and sharp-edged square chisel, long service time.. WIDE APPLICATIONSIt can be used together with a tenon and tenon machine to achieve dual effects, and cannot be used with a manual electric drill and a common drill stand (non-square tenon machine). Suitable for construction, installation, decoration, decoration industry, etc.. NOTEInstalled in the square hole machine directly, supporting the use, you can drill a square hole (especially recommended). If bench drills or electric drills are used, they must be strictly executed according to the operation method. Otherwise they can only be processed into round holes and cannot be processed into square holes..