筒式钻头的切削具可分为截齿和牙轮，截齿筒状钻头用于风化软岩及永冻土地层钻进，牙轮筒式钻头用于硬质基岩钻进。

Hose bit can be divided into cutter teeth and cone teeth, cone teeth for weathering of soft rock strata, and permafrost, cutter teeth used for drilling hard bedrock.

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该工具主要由提升控制系统、安全接头、稳定器、内外筒、全闭式岩心爪和取心钻头等部件组成。

This kind of tools mainly consists of lifting control system, safety joint, stabilizer, inner and outer barrels, full-closed core catcher, and coring bit.

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我公司同样开发生产了规格齐全的土层非开挖钻具，包括导向钻头、分动器、筒式扩孔器、流道式扩孔器、板式扩孔器、变径接头等。

Pangolin also develop and produce a complete range of soil non-excavation drill, including Bit-oriented, sub-actuators, Drum-type Reamer, Flow-type Reamer, Plate-type Reamer, Adjustable joints.

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