- [Package Contents] This tool set contains 1 pcs1/4″ (6.35mm) square chisel width drill bit, and 1 pcs 5/16″(8mm) square chisel width drill bit.
- [Tip And Edge] The 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.
- [MATERIAL] Made of High-carbon steel, through heat processing, with high hardness (48-50 HRC) drill bits, and sharp-edged square chisel, durable and lasts long.
- [ADVANTAGE] With a 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, and reduce construction costs.
- [WIDE APPLICATIONS] It 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.