Flexible drill bit is a kind of special wood drill bit, which is made of 65#high carbon steel and is used to drill holes in all types of wood.it has some extraordinary advantages as follows ：
1) Fully heated and tempered 
2) Easy for pulling wire and clampig screws in thin sections.
3) Aggressive point enables effective drilling and long durability.
4) Wide flutes design makes fast chip removing.
5) Apply to all drill chuck.