Gun drills are specialized cutting tools used in the manufacturing of firearms. They are long, thin drills designed to make deep, straight holes in metal. The holes created by gun drills are typically used for rifling, which is the process of cutting spiral grooves into the inside of a gun barrel to improve accuracy and stability of the bullet.
Gun drills have a unique geometry that allows them to drill very deep and straight holes with minimal deviation or wandering. They are typically made from high-speed steel or carbide, which allows them to cut through hardened steel and other tough materials. Gun drills can be operated at high speeds and feeds, which makes them an efficient and cost-effective tool for mass production.
Gun drills are typically used in gun barrel manufacturing, but they can also be used for other applications, such as drilling cooling holes in turbine blades or cutting fuel injection nozzles in the aerospace industry. They are often used in conjunction with specialized equipment, such as deep-hole drilling machines, to ensure precision and accuracy in the manufacturing process.
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