Re: Drill Selection, Feeds and Speeds For Hard Bolts and Screws Questions?

that sounds slow for SFM and very agressive for IPR.
these are carbide 1/16" drills

The Deburr Guru wrote:
"Chase" <esahcn@xxxxxxxxx> wrote in news:1149721703.905148.262170
@f6g2000cwb.googlegroups.com:

High Carbon case hardend Steel bolts
one hole per bolt and around 100 bolts or so
tensile strength between 120,000 psi and 150,000psi
I hadn't checked the group and I bought 3 1/16" straigt flute drills.
1/16" drills

With 100 pcs, I would start with 30SFM and .001-.0015/Rev, .03 peck.

--
The Deburr Guru

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