View Full Version : Drill &Tap Info requested
RacerBill
05-14-2007, 09:59 AM
What size hole should I drill in order to tap for a M10 bolt?
No, 'Just big enough' is not a legitimate response!!!!!! :D
Greg Amy
05-14-2007, 10:15 AM
http://www.newmantools.com/tapdrill.htm
...among others. Search for "metric tap drill". - GA
13GT3
05-14-2007, 10:18 AM
complete SAE and metric drill and tap tables, and metric/decimal conversions can be found here
http://www3.telus.net/public/aschoepp/tapdrill.html
RED DIAMOND
05-14-2007, 10:32 AM
Hi bill
The correct drill size for a 10mm bolt is drill letter "Q".
this is .3320 (between 21/64 & 11/32)
it works for 1.25 or 1.50 pitch (thread percent)
your 10mm bolt should measure .3937 to .3940
Hope this helps Tim
RacerBill
05-14-2007, 11:15 AM
http://www.newmantools.com/tapdrill.htm
...among others. Search for "metric tap drill". - GA
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Thanks, Greg - great site! Another resource to add to the collection!
RacerBill
05-14-2007, 11:31 AM
complete SAE and metric drill and tap tables, and metric/decimal conversions can be found here
http://www3.telus.net/public/aschoepp/tapdrill.html
[/b]
Wow, another great site! Thank goodness I have a computer to catalog all this stuff. Makes me appreciate the Einstein Theory of Knowledge - never memorize anything you can look up!
Hi bill
The correct drill size for a 10mm bolt is drill letter "Q".
this is .3320 (between 21/64 & 11/32)
it works for 1.25 or 1.50 pitch (thread percent)
your 10mm bolt should measure .3937 to .3940
Hope this helps Tim
[/b]
Tim: Thanks a bunch. You still working over at Mike's off Livingston?
lateapex911
05-14-2007, 11:33 AM
Makes me appreciate the Einstein Theory of Knowledge - never memorize anything you can look up!
[/b]
As long as you can remember where to look it up....
RacerBill
05-14-2007, 11:39 AM
As long as you can remember where to look it up....
[/b]
That's the secret!!!!
RED DIAMOND
05-14-2007, 04:47 PM
[quote]
Wow, another great site! Thank goodness I have a computer to catalog all this stuff. Makes me appreciate the Einstein Theory of Knowledge - never memorize anything you can look up!
Tim: Thanks a bunch. You still working over at Mike's off Livingston?
Hi Bill ,
After 34 years of turning bolts , I retired two years ago.
I was immediately informed that mechanics don't retire,
"they just die under cars." Now near Cincy.
Tim
keycom
05-14-2007, 04:54 PM
Old mechanics never die . . . they just smell that way! :D
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