Soil Auger Straight rock auger Construction Foundation Drilling Rig Tools For Gravel Layer

Product Introduction
The Limta straight auger of a rotary drilling rig is a commonly used drilling tool for soft soil, clay, sand layers, and small particle gravel layers.Its working principle combines the characteristics of rotary cutting, spiral slag discharge, and mechanical transmission.
Advantage：
Efficient slag discharge: Continuous spiral conveying, no need for frequent drilling, fast drilling speed.
Dry hole application: No need for mud circulation, saving costs.
Simple structure: easy maintenance, lower cost than bucket drills or roller drills.
Disadvantage：
Not suitable for large-sized gravel/hard rock.
High water level strata are prone to collapse holes and require the use of protective wall technology.
Wear out quickly and require regular repair of blades and cutting teeth.

Some of our models

Double cutter single flight straight rock auger	Double cutter double flight straight rock auger	Double cutter single  flight straight soil auger	Double cutter double flight straight soil auger