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Trak-Star® gas, hydraulic and electric-powered rail drills when used with Trak-Star Twister™ annular bits are designed to drill holes in as little as 15 seconds. Based on AAR testing, the drill and cutter combinations, when using through-the-tool coolant, drill cool, eliminating stress cracks and subsequent rail failures by restricting temperature rise of the material around the hole to approximately 35 F above ambient temperature, the company says. The drills weigh from 45 to 58 pounds and feature a 10-point clamping system, designed to facilitate fast, secure set-up on tracks ranging from 70 to 155 pounds. Hole-locating templates position the drills for precise hole drilling.