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Gun Drilling

What is Gun Drilling?

Gun drilling is the deep hole drilling process that utilizes a long, thin cutting tool to produce holes in metal at high depth-to-diameter ratios. Gun drilling is effective in diameters from 1 – 50 [0.04 – 2.00 in]. A gun drill tool differs from a conventional twist drill by its unique head geometry; a standard gun drill has a single effective cutting edge that forms and removes chips,as it is hydraulically fed into a workpiece.

Please read the article in Cutting Tool Engineering magazine about Chesterfield Tool & Engineering, which shows our gun drilling machine:

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