I need a tool, don't know what it's called...

nola mike

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I'm looking for a cylindrical wire go/no-go type feeler gauge. To measure tiny holes. Would normally use drill bits for this type of thing, I need metric, range of about 1-3 mm in 0.1-0.2mm increments. Not sure how to even search for it, but I'm assuming it exists. "pin gauge" is the closest that I've come. A step type gauge won't work for numerous reasons. Thanks!
 

racerone

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Used to work in an inspection department.----Cabinet full of pin gauges and " go / no go gauges ".----And when a special size was needed i used to hard chrome plate a gauge and they would grind / lap to the size needed.----Same day fix there.
 

airshot

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The really small pin gages are often refered to as wire gages. If my memory is anywhere around they ranged from .025 down to .005 in diameter
 

Grub54891

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Those welding torch cleaners work sort of, they can damage the hole you are checking and cleaning. That's what they are designed for, cleaning torch tips.
 
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I'm looking for a cylindrical wire go/no-go type feeler gauge. To measure tiny holes. Would normally use drill bits for this type of thing, I need metric, range of about 1-3 mm in 0.1-0.2mm increments. Not sure how to even search for it, but I'm assuming it exists. "pin gauge" is the closest that I've come. A step type gauge won't work for numerous reasons. Thanks!

You could still use drills then measure the drill shaft with a metric vernier caliper or micrometer.
 

nola mike

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Pin gauge looks to be the closest, though I can only find them in a big expensive set (and mostly sae). Drill bits aren't easily available in sub mm sizes I need, same with welding tools. Had already searched for hole gauge/wire gauge. I'm wondering how close I can get using various combos of different gauge stranded/solid wire and calipers.
 

dingbat

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How accurate do you need?

1.0 (0.039”) to 3.0 (0.118”) is a pretty narrow range. Could buy a set of wire drills to cover that range rather cheap

These cover your range for $10

 

nola mike

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What are you trying to measure / check with these gauges ?
Watch case tube diameter.
That's what I was thinking. But I think I'm looking at a diameter of 2-2.5mm
How accurate do you need?

1.0 (0.039”) to 3.0 (0.118”) is a pretty narrow range. Could buy a set of wire drills to cover that range rather cheap

These cover your range for $10

Saw some of these sets, they're too small. Looks like I need #47-39.

Good thoughts, I'll keep looking
 
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