Some helpful tap and conversion charts

[Grizzly4x4]

Here is a link to a printable tap drill chart.

Here is a link to a standard tap and drill chart.

Here is a link to a metric tap and drill chart.

Here is a link to a drill size chart.

Here is a link to a sheet metal gauge size chart.

Below is a helpful drill size conversion chart. (I had to split it into two pics)
Also a tap drill chart that I have used for years.

And just for completeness.
To convert inches to mm, multiply the inches by 25.4
To convert mm to inches, divide the mm by 25.4

[a1racer]

that is a handy link and post there thank you

[Grizzly4x4]

No problem, I've used those resources here at work for a long time and it just occurred to me to post them up.

[Eritex Inc.]

I thought it was 25.3995



Great info

[eddy4753]

Thanks for posting this, they will come in handy.

[swell searcher]

thanks griz... these are helpful links...

[Ace]

2.5 x .45 tap drill is off.. Should be 2.05mm

Nominal - pitch gives tap.

[tarmo120]

Maybe this should be a sticky.

[losikid]

Originally Posted by tarmo120

Maybe this should be a sticky.

x2, but i got a pocket size tap drill charts i have been using

[BigSki]

.039 = 1mm so it's easy to do some quick metric conversions.