Drill Rods for Geotechnical Exploration: What to Know Geotechnical drilling requires specialized equipment, and the directional drill rods used in these operations are key to successful soil and rock sampling. This article will explain the best practices for selecting and using drill rods in geotechnical exploration, focusing on durability and accuracy. Visit us for more information- Ph.No- (61) 397065239 Email- simon@www.jbtrenchless.com Address- 1/15 Commercial Dr, Dandenong South VIC 3175, Australia Web- https://www.jbtrenchless.com/product-category/hdd-drill-rods/