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#machining reference

2 articles

ReferenceREFJul 26, 20263 min read

Surface Finish Conversion Chart — Ra, Rz, RMS, N Grade Reference for Deep Hole Drilling

Complete surface finish conversion chart for Ra, Rz, RMS, Rt, and N grades. Achievable finishes by manufacturing process with practical selection guidance for engineers.

surface finishRaRz

ReferenceREFJul 25, 202613 min read

Speeds and Feeds for Deep Hole Drilling: Complete Reference Tables by Material

Reference tables for deep hole drilling cutting speeds and feed rates across materials — carbon steel, stainless, aluminum, titanium, Inconel, cast iron, and tool steels. Gun drilling and BTA parameters with L/D correction factors.

speeds and feedscutting parametersgun drilling