What is a Gun drill?

A gun drill is an instrument for drilling while spraying step-down cutting oil from the tip of the drill. As a result, it is possible to perform processing while blowing off chips, so deep hole processing and fine hole processing can be performed in one step, and beautiful surface finishing can be performed. Gun drills have excellent linearity, and can perform deep hole drilling and pore drilling even for high hardness materials and materials that are difficult to drill, such as stainless steel and heat resistant steel. When machining with a gun drill, it is important to consider the speed and feed in advance, and it is necessary to firmly set the conditions for pre-machining and cutting conditions.

Application of Gun drill

Gun drills are suitable for drilling deep holes that are more than five times the diameter, and as the name implies, they are drills originally developed for drilling rifles and hunting guns. When drilling deep holes, chips may damage the inside, but gun drills can be drilled while blowing off chips. Therefore, high efficiency and high precision deep hole drilling is possible.

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