DRILLING 115 mm of steel A266-CL2
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    Default DRILLING 115 mm of steel A266-CL2

    I want to hear your suggestions on the drilling of a tube plate. I want to drill a tube plate 680 mm diameter and 115 mm width. The hole is 19.25 mm for tube 19.05 mm . I am thinking to drill it with two drills(HSS) to succeed good surface. i am thinking the cost to buy a very long carbide drill and without to be sure if it can finish the job (160 holes). Thanks for your time! (OKUMA GENOS M560)


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