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Author Topic: Cast brass fittings  (Read 2108 times)

The Old Fart

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Cast brass fittings
« on: May 31, 2018, 08:08:16 pm »

I need to drill some brass castings, but they are very hard, any ideas?
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Mark T

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Re: Cast brass fittings
« Reply #1 on: June 01, 2018, 07:20:25 am »

I use cobalt tipped drills which seem to go through anything. They are not to expensive either and last a lot longer than jobber drill bits

The Old Fart

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Re: Cast brass fittings
« Reply #2 on: June 01, 2018, 07:28:41 am »

Thank you, I'll order some.
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The Old Fart

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Re: Cast brass fittings
« Reply #3 on: June 04, 2018, 07:59:08 pm »

Cobalt drill bit worked a treat, and they weren't too expensive.
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Mark T

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Re: Cast brass fittings
« Reply #4 on: June 04, 2018, 08:02:59 pm »

That’s great news  :-))  try them in a bit of stainless steel they’re fantastic!
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