drill

  1. P

    Better to ask forgiveness...

    Well, I converted my four jaw chuck to work on my three-bolt spindle with my drill press. Both chucks already fit tightly onto the spindle nose (correct term?) My options were: * drill three holes into the spindle * drill/tap three holes into the adapter plate * drill/tap two holes into the...
  2. Eddyde

    Standard Drill Sizes, Imperial & Metric Rev 3

    All Standard Sizes of Imperial & Metric Drills #80-#1, A-Z, 1/64"-2 ½", .80mm-50mm, in diametral order.
  3. JustMe3

    [How-To] Pecking. For drilling, yes; how about for reaming?

    I am drilling a 0.3750" diameter hole 1.250" completely through a piece of T6 Aluminum. The notes I have for this state that the dimensions on this hole are critical. So I am planning on under drilling the hole at 23/64th (0.359375") diameter and then use a precision reamer to get it to...
  4. D

    Drill and tap hole in the center of a 1 in aluminum rod - will this work?

    Background: Construct a gear drive for a telescope. As accurate as it can be made with the tools at hand. The next step is to make and tap a 1 inch deep hole in the center of a 1 inch aluminum rod. The rod is about three inches long. The hole will be just over an inch deep and tapped to 1/4 by...
  5. Susan_in_SF

    Help Finding Atlas 73 Bearings

    Hi guys, A 15" vintage Atlas 73 floor drill press fell onto my lap (ouch), and I was hoping to get help here in buying the correct size bearings. Below is a screenshot from the manual: Do I just Google "2.05 bearings," or do I need more info? I just bought my drill. It's sitting in my car. I...
  6. Kaylee Frye

    Drilling errors and solutions

    Hi all, hope I'm in the right forum - this is barely machining, but I need a machinist's mindset for advice. I am the metalworker for a small custom furniture shop, and lately we are making a lot more designs that rely on bolt connections rather than welding. I am able to finish the...
  7. Subwayrocket

    Stubby Drills , Good Price , Heads Up

    This guy has an assortment of 6 and 10 packs of HSS stubby drills on Ebay , priced good. I bought a few packs i could use. I do not know the guy , i'm passing the info on to fellow HM members . Here's one ebay item number to search for him 142105086070 kramerkramer02
  8. Ulma Doctor

    Drill Hog Usa Live Test -1/2" Bit

    live test video:
  9. M

    Kind Of Drill Chuck

    I need a drill chuck that closes completely at the center. most chucks leave about 3/32 opening. I'm trying to chuck wire into it for straightening, using a hand drill. I have looked at using Collete's or some other technique, or maybe using a dremel but ideally i would have some kind of...
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