HSS vs Titanium vs. Cobalt drills.

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neanderman
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Re: HSS vs Titanium vs. Cobalt drills.

Post by neanderman »

Peter Crisler wrote: Fri Nov 30, 2018 8:49 pm I've used peanut oil for years. Works very well.
Peanut oil is also very good for quenching 0-1 steel. The smell alone is worth the additional cost over petroleum oils.
Ed

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SteveHGraham
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Re: HSS vs Titanium vs. Cobalt drills.

Post by SteveHGraham »

tornitore45 wrote: Fri Nov 30, 2018 8:10 am Aluminum is soft, you can cut it with a knife, there is no real need for a cutting fluid, but when tapping it galls and packs the flutes so the WD40 add just enough lubricity to keep things moving. Aluminum just love to stick and build up on the cutting edge, WD40 again prevent the sticking and let a sharp edge do the work.
It will stick to end mills.
Every hard-fried egg began life sunny-side up.
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