2021 - Volume #45, Issue #3, Page #32
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Air Hose With Blowgun Nozzle Dissipate Heat
Mark Hoover, Leitchfield, Ky.: “Any time you drill large holes in steel or hard
metal or have to machine steel on a lathe, you create a lot of extreme heat. And unless you work at a very slow speed, that heat can ruin drill bits and saw teeth. Adding cutting oil can help, but you have to use a lot of it which cr..........


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2021 - Volume #45, Issue #3