drills

  1. 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.
  2. natewi

    Drill flute styles

    Hello again, Firstly I'd like to say thanks for all of your previous help. This forum has been a game changer for me, much appreciated. I recently upgraded to a 3/4hp floor drill press from a very small counter press. I mainly drill mild steel, and have run into an issue when drilling through...
  3. natewi

    Drill Press Chucks

    Hello all, I just bought a keyless chuck for my drill press, and am having drill slippage issues. It's a cheaper chuck, but I'm wondering if it really is just a crappy chuck, or if I'm using the wrong style shaft on my drills. I'm using straight round shanks, as most of my drilling is smaller...
  4. natewi

    Tapping issues

    Hello all, I am having some trouble finding the right combo for tapping 3/4" blind holes into mild steel. I have a pneumatic tapping machine. My main tap size is 8-32, and it seems everyone recommends a #29 drill, however I'm getting stuck a lot, breaking taps, and overall seems like it's a...
  5. Pmedic828

    118 Vs 135 Drill Bits

    I am a self taught 60+ year old that wants to learn machining. I have a mini mill 3 in 1 machine and am tired of cheap drill bits. I wanted to purchase 1 115 piece screw drill (short because of the distance from my table to the chuck) of my mill. This 118 vs 135 vs split point vs ? is getting...
  6. Ulma Doctor

    Drill Hog Usa Live Test -1/2" Bit

    live test video:
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