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Old 09-13-2018, 06:35 PM
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Steel Cutting Lube

I’m drilling a lot of holes into metal (mild steel)
I have premium quality drill bits and are using lubricant (Suttons Metal Cutting Lubricant) , works a treat, but was wondering if there was a cheaper option than this expensive oil.
Any of you guys have an alternative?.... Is engine oil or ATF going to provide equivalent lubrication and cooling?....As a metalwork student in high school, i recall we used to make up what was called ‘soluble oil’ which was simply oil and water mixed.
Anyone got a new age formula for an inexpensive lubricant/coolant for cutting/drilling mild steel?
Thanks guys ✌️

Duke

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Old 09-13-2018, 10:38 PM
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Here you go Duke. I get it from Amazon. $15 bucks. Works great.

BB

Sta-Lube SL2512 Soluble Oil, 32 Fl Oz
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Old 09-14-2018, 10:08 AM
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https://www.homedepot.com/s/thread%2...2520oil?NCNI-5

Click on above. Thread cutting oil. That's what I use.
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Old 09-14-2018, 07:48 PM
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Thanks guys
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Old 09-14-2018, 08:34 PM
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Check your speed, too fast, too much force will dull a bit real quick. Let the bit do the work...

BTW: what's expensive, meaning price ?

Pep
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Old 09-15-2018, 10:19 AM
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I use marvels mystery oil for cutting, drilling, in the air tools, in my oil, and in my fuel.
Stuff is cheap enough and I always keep a bottle in the shop or have one in something I drive.
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Old 10-11-2018, 11:30 AM
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Marvel works well, I've used WD40 on aluminum. I have a buddy who owns a big machine shop and he lets me take a few bottles of water soluble coolant home, the mix is 50:1 so a little lasts me years.
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Old 10-13-2018, 01:14 AM
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https://en.wikipedia.org/wiki/Cutting_fluid may be helpful here...

https://www.amazon.com/Ounce-Bottle-...dp/B002R7VMEW/ is good for many metals such as aluminum, stainless steel etc...
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Old 10-13-2018, 07:21 AM
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Quote:
Originally Posted by PHWOARchild View Post
Marvel works well, I've used WD40 on aluminum. I have a buddy who owns a big machine shop and he lets me take a few bottles of water soluble coolant home, the mix is 50:1 so a little lasts me years.
Because it's so great or you don't cut much?

There are many good brands of cutting oil. I used the ACE hardware brand for hack saw and drilling.

After purchasing machines, now use Tap Magic. Cutting, drilling and taping, as mentioned WD is good for aluminum .

Metal bandsaws use a stick type lube, oil and rubber drive tires not a good combo.

Cutting oil, like motor oil a users choice and how much is it worth to the same.

Yes I have my preferences one size does not fit all. Because the different materials used for the tooling is also in play.

But without a doubt using cutting oil is the right way to go.

Pep
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Old 10-13-2018, 10:59 AM
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Quote:
Originally Posted by rip-tide View Post
Check your speed, too fast, too much force will dull a bit real quick. Let the bit do the work...

BTW: what's expensive, meaning price ?

Pep
Thanks for the ongoing replies, the wiki article was interesting.
The last bottle in bought was Sutton’s brand and was A$16.98 for 250ml bottle/ US$12 for 8oz, give or take
Obviously the small bottle is not a cost effective way to purchase.
I’m in Oz so some of the products mentioned are not necessarily available here and we have other ones.
I was wondering if someone had homemade recipe they found worked well.

Duke
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Old 10-13-2018, 05:16 PM
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This is what I use. https://www.acehardware.com/departme...CABEgKszfD_BwE

I am not kidding you, if this friggin can were to cost $50, I would buy it, THAT is how good this stuff works. I am not comparing it with others understand, I am not saying it's better than some other product. All I am saying is it's MIND BLOWING better than not using it! I use it with the hand hack saw, air saw, drills, and of course tapping, it's awesome stuff!

Brian

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Old 10-15-2018, 10:49 AM
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Brian,

I think the previous formulation was a bit better; but its still great stuff.
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Old 10-18-2018, 07:46 AM
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Quote:
Originally Posted by rip-tide View Post
Because it's so great or you don't cut much?

There are many good brands of cutting oil. I used the ACE hardware brand for hack saw and drilling.

After purchasing machines, now use Tap Magic. Cutting, drilling and taping, as mentioned WD is good for aluminum .

Metal bandsaws use a stick type lube, oil and rubber drive tires not a good combo.

Cutting oil, like motor oil a users choice and how much is it worth to the same.

Yes I have my preferences one size does not fit all. Because the different materials used for the tooling is also in play.

But without a doubt using cutting oil is the right way to go.

Pep

A 1/2 gallon of water soluble makes 25 gallons of coolant... that is a lot for my use.


I have a can of Tap Magic, works well. I also have Anchor Lube which can be thinned down, also Moly Dee for tapping harder materials.


My Bridgeport and lathe are set up with coolant pumps, I use the spray mist on the mill now and then.
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