There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ...

Quaise plans to drill holes up to 20 km (12.4 miles ... In January the company started its first outdoor testing but the big trial is set for later in 2025. Here, Quaise hopes to drill over ...

effectively turning some bits of scrap into a horizontal drill press with a stationary bit. The end result is a machine that can bore a hole straight down a 1/4″ rod. With a box of screws these ...

TheNewswire - Giant Mining Corp. (CSE: BFG | OTC: BFGFF | FWB: YW5) (“Giant Mining” or the “Company”) is pleased ...

The first drill hole, AN-24-01, returned assays of up to 0.32% nickel and 0.8% chromium, with an average of 0.25% nickel and 0.28% chromium over the entire 293.8-meter length. These strong results ...