Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Polish a .116 dia hole in 303 stainless
What kind of equipment OR process is needed to polish a .116 dia hole to an 8 finish,hole size is .116 dia., material 303 stainless. part size is 2.750 OD X .625 LONG, DEPTH of hole is .625 also, this job is small qty. but I'm interested in getting started in this kind of work.
Raymond Dicksonjob shop - Boswell, Oklahoma
2004
There is no external system that can do this without distortion. This is a machine application and matter of good machine practices. Meaning, if you select the right drill and speed, you should be able to accomplish task in the drilling operation itself. Not being that familiar with the exact procedure, you may have to drill an undersized hole and then ream with larger.
AF Kenton
retired business owner - Hatboro, Pennsylvania
2004
What kind of polishing are you looking to do? If you're looking for a mirror finish you'll need a pencil grinder with blue stones and cotton buffing wheel attachments with white buffing bar ⇦this on eBay or Amazon [affil links] followed with blue rouge.
Brandt Hinton- Elk River, MN, United States
2004
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