Expanding Head Drill Bit

Description
The expanding head drill bits are also named rotary drill bit. It is a cutting tool used for creating cylindrical holes. This drill bit expands the diameter of the hole bottom by stretching its front end. This anchor drill bit is suitable for the drilling operations in foundation project of construction. It is mainly suitable for sandy soil, cohesive soil and silty soil. This type of drill bits are widely applied in various foundation constructions, such as cast-in-place pile, continuous wall and foundation strengthening.

Features and Advantages
1. The anchor drill bits feature high efficiency, low noise, high hole-forming quality and high degree of mechanization. It is also environmental friendly.
2. This rotary drill bit has a large-power stretchable
3. Our company has introduced high-end equipment which have saved labor power and reduced labor intensity. Production efficiency has been improved and the production cost has been reduced. Our drill bits have competitive price and superior quality.
4. Spare parts are tested by quality control department before entering warehouse.

Wuxi Anmai Construction Machinery Co., Ltd. is a professional manufacturer and supplier of engineering machinery. Anmai provides clients with high quality anchor drilling rigs. We have cooperated with many universities and postgraduates engaged in the research of rotary drill bit. We have many drill bits options according to stratum situations, functions of drill, and requirements of hole depth, hole diameter, sediment thickness and protecting wall.