Gdrill has been active in the Greek market since 1991, providing high quality products and services. The company's premises (offices, sheltered factory and warehouses) are located in an industrial area of 2500 s.m. in the area of Rentis.
[pdf] This manual describes elementary tools and techniques for hand drilling rock. Although hand drilling is slow work, it is a safe and simple way to prepare rocks for breaking with explosives, wedge and feather sets or expansion chemicals, or to accept anchor bolts.
[pdf] You will need a hammer drill to work with a rock. These impressive tools can come in one hand and two hand formats and are designed to use a “hammering action” to drill through the most difficult of materi.
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