I have been drilling 5/16" holes in 4130 steel tube (1/16" wall) for many years with HSS bits and a Harbor Freight drill press set at 920 RPM. There has been occasional binding, but nothing to problematic. Now, however, even brand new bits are binding when it punches through every time. I've...
My business is centered around cutting lots of 1/16" wall tubing in diameters from 1/2" to 1" and lengths from 1.5 inches to 6 feet - 6061 and 6063 aluminum, 4043 steel, and carbon fiber. I'm happy with my saw but the cuts still need a quick grind to smooth out the sharp edges. I've been using a...
I run a small business where I spend a lot of time cutting 1/2"-7/8" aluminum, steel, and carbon fiber tubing (1/16" wall). For 5 years I've been using the Harbor Freight Central Machinery Metal Cutting Horizontal Bandsaw purchased for a few hundred dollars. It is a workhorse for my easily cut...
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