1. Welded deep hole drilling tool: normally it is low production cost and simple structure advantages. In present, it’s still an important part in deep hole drilling. For the welded BTA drilling tool, under the different cutting parameter, there would be a different precision.
2.Blade-fixed deep hole drilling tool: it overcomes the multiple difficulties of welded deep hole drilling tool, and for now, it has a wide range in deep hole drilling industries, such as SANDVIK gun drilling tool and BTA deep hole drilling tool. Deep hole boring tool and deep reamer.
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