Year1
- 17 1/2：
- 255.0mm
- 20：
- 443.0mm
- 26：
- 810.0mm
Description
Assembled cone drill bits are mainly used for drilling pile bedrock in bridges and high-rise buildings. They are used in various systems such as ground services, tunnels, water conservancy, and construction in many provinces and cities across the country. It is deeply trusted by the majority of users.
Scope of use of assembled roller cone bits The assembled roller cone bit is suitable for drilling bedrock perfusion, drilling water wells and vent holes. The suitable strata are strongly, moderately and lightly weathered rocks and pebbles, such as granite, gneiss, sandstone, limestone, shale, etc.
The assembled roller cone bit has the following features
, using hydraulic principles to remove sediment at the bottom of the hole
, the first domestic double-fulcrum cone
, anti-wear mechanism on the back of the palm
, The unique and reasonable cone distribution method
and the casing protection block further enhance the stability of the drill bit and extend the life of the drill bit.
The performance of the series of combined roller cone drill bits is sharpness, wear resistance, sturdiness, stability, slag accumulation and self-cleaning, and safety.
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