Deburring and Edge Finishing for Deep Holes: Methods That Actually Work
I have spent more hours than I care to count hunched over a lathe with a file in one hand and a flashlight in the other, trying to knock a burr off the exit of a deep-drilled hole without ruining the surface finish. Deburring a 3mm hole at 400 diameters is a different world from deburring a 75mm BTA bore, but the frustration is the same. Here is what I have learned about which methods actually work and which ones will send a part to the scrap bin. ...