Tweakers' Asylum

RE: Micro Drill Bits

198.144.203.117

rogerh113

A

In Reply to: RE: Micro Drill Bits posted by B. Scarpia on November 25, 2022 at 01:52:03

I am a long time user of solder wick as well. Recently I have run into problems, I think because of the nature of solder used on circuit boards after the '70s. Some of that rubbery garbage will simply not wick out of a feed through, even after multiple uses of flux and additional 'good' solder to thin out the rubbery garbage. Several times I have had to resort to a pin to puncture through the thin sheet remaining in the center of the feed through. Otherwise getting to trace lifting time, which is another bad thing.

If you have a solution to lifting the crap rubbery solder, then I would really like to know about it. All part of the craft, I think...

Follow Ups:

Stubborn Solder - Jonesy 08:41:44 11/25/22 (4)
It's that stubborn solder (usually leadfree) on newer boards that I've found the tiny drill bits and handheld mini chuck to be particularly useful.

Especially when there is barely any room to work with to get in a solder sucker or any other of the most common ways to ease out the old stuff.

Can often get away with making a tiny hole just big enough to get the new part in.

Here's a pic of the mini hand held chuck and some bits along with diode leads and tube pins for scale. Some really small bits in there for even smaller pilot holes.

Jonesy

"I know just enough to get into trouble. But not enough to get out of it."
- RE: Stubborn Solder - rogerh113 08:46:07 11/25/22 (3)
  Yep, I can see the value of something like that. Only manually operated though - forget anything motor driven.
  
  You have a link for where you got that?
  - RE: Stubborn Solder - Jonesy 13:34:31 11/25/22 (2)
    The order was actually from Amazon but the link states "Currently Unavailable". Too bad because it was a lot less expensive then, and shipping was free.
    Is currently available on Aliexpress, but the price has since gone up and shipping may be extra depending on your location. *** Edit. Seller rating not steller either but link below for info. ***
    What I liked about this set in particular was that the sizes went down really small. As tiny as .3mm.
    Note that I just did a quick search on eBay, and though not exact, they look pretty good at prices closer to what I paid awhile ago. Unfortunately I can't comment on them personally. Plenty of reviews though. Just search for "mini hand twist drill bits" on eBay.
    Jonesy
    
    "I know just enough to get into trouble. But not enough to get out of it."
    - Hand Drill Set (Open in New Window)
    Edits: 11/25/22
    - RE: Ebay Link - B. Scarpia 07:33:57 11/26/22 (1)
      You can never have too many tiny tools to roll under the bench, never to be seen again.
      
      I bought'm.
      
      Novus Ordo Seclorum
      10 Bucks USA Vendor (Open in New Window)
      - RE: Ebay Link - Jonesy 12:02:05 11/27/22 (0)
        
        In Reply to: RE: Ebay Link posted by B. Scarpia on November 26, 2022 at 07:33:57
        
        Those look great!
        
        Jonesy
        
        "I know just enough to get into trouble. But not enough to get out of it."

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