[NSRCA-discussion] tap and clearance drill sizes for metric and US bolt sizes

[Don Ramsey]

There is also one on the Building/Flying page for US and Metric on my website.

 

http://pages.suddenlink.net/donramsey

 

 

 

 

From: NSRCA-discussion [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Keith Hoard via NSRCA-discussion
Sent: Sunday, November 13, 2016 8:01 PM
To: Vicente Bortone; General pattern discussion; John Gayer
Subject: Re: [NSRCA-discussion] tap and clearance drill sizes for metric and US bolt sizes

 

Starrett also has many good guides on their website.

 

Sent from my Windows 10 phone

 

From: Vicente Bortone via NSRCA-discussion <mailto:nsrca-discussion at lists.nsrca.org> 
Sent: Sunday, November 13, 2016 19:46
To: General pattern discussion <mailto:nsrca-discussion at lists.nsrca.org> ; John Gayer <mailto:jgghome at comcast.net> 
Subject: Re: [NSRCA-discussion] tap and clearance drill sizes for metric and US bolt sizes

 

Very nice. Thanks. 

 

On Sun, Nov 13, 2016 at 6:21 PM John Gayer via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:

Little change of pace from the heavy lifting of fixing all that is wrong with pattern.

Handy little chart for selecting drill sizes for tapping activities. 
Also gives you number drill sizes for metric tap and clearance holes.

http://littlemachineshop.com/reference/TapDrillSizes.pdf

John

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