The Difference between Short Spiral Drilling Machine and Long Auger Drilling Machine
2, rotary drilling pile, pile diameter to be larger, mostly 800-1200mm, or even 1500mm, and is reinforced concrete piles.
pile diameter of 400-500mm, and for the concrete pile, that is, no reinforced cage
Long spiral cast piles are generally small diameter piles, pile diameter of 400-500mm, and for the concrete pile, that is, no reinforced cage.
