Google SHARS, you can find lot's of tooling on this site, along with HF, Grizzly, Enco, Little machine shop and dozen's of others. I use a Kurt clone, 5” that weighs about 50lbs. Think heavy, strong, perfect vice jaws, and a big handle wrench to tighten the monster. Go ahead and purchase one of the clamping tool kits, although you can do this with a decent vice, and I’m not talking about the typical shop vice that bolts down or clamps down on the worktable top. A 4 inch milling vice would do what you need for the jig and lower project.
Endmill holders, or collets, R8 is the most popular, EM's, drill bits, parallels, calipers, various measuring tools, hand tools You can get a decent digital 4 inch caliper at HF for less than 20$, buy a few, 4 and 6 inch. Go through the manual, adjust the Gibs, and backlash if needed, sometimes they are right on, but most often Not!.įor tools, we have a saying, you could spend an equal amount of money on all the tooling you will need, so double the price of your machine and you should be in the ball park. My grizzly mill was in fairly good condition, other than all the packing grease. You will become familiar with the parts this way as you clean, yes you will or should have to take a few things apart to clean them properly, don't mess with the spindle unless you do have a problem. Get some mineral spirits or Kerosene and a bunch of cheap harbor freight paint brushes and shop rags, they sell these in bulk pack, and clean every metal surface of the yucky grease. I suggest some major cleanup of the mill, the Chinese machines come get here in big cheap plywood crates, and are covered in yucky grease, this is only for protection while on the ship. There are some things you want to do before putting the lower in the vise and start cutting. Hey Zaphod, regardless of what mini/drill mill you purchase. You should get a small dial micrometer to make sure everything is properly aligned before you start cutting, if you want to do it right, as well as a good pair of calipers. I normally go for the grip lug with a support somewhere further forwards so I can get a good bite without deforming the thin walls of the lower. If not, you will need some random bits of stock to safely clamp your lower in the vise. If your 80% comes with a jig block, that will simplify things.
Harbor frieght end mill bits full size#
Tapping that buffer tube tower (if you didn't have a full size mill like me) would be a pain. The old styles needed about a dozen different tools to complete correctly, including a $45+ 1 3/16" x 16 tap and some aircraft drills, so thank your stars that's no longer the case. 2-flute is what I use, doesn't load up as easily as a 4flute in aluminum. I do the fire control pocket with a 3/8" carbide and the trigger pocket with a long-shank 5/16" carbide mill. That's a lot of money for one 80% lower.ĭepending on the style of 80%, you would need a few end mills and maybe some drills as well.
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