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| Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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drill a bolt
I need to drill a hole in a grade 8 bolt. three actually, two cross and one
axially. I remember this was a stone bitch from last time I tried. I got one shot this time. Should I drill it slow and hard like stainless, or fast and light pecks? Other suggestions? Karl |
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