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Date:         Sun, 27 Jun 2010 16:03:44 -0400
Reply-To:     David Beierl <dbeierl@ATTGLOBAL.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Beierl <dbeierl@ATTGLOBAL.NET>
Subject:      Re: Tail lamp assembly mounting screw
Comments: To: "Mike \"Rocket J Squirrel\"" <camping.elliott@GMAIL.COM>
In-Reply-To:  <4C279FB5.9030307@gmail.com>
Content-Type: text/plain; charset="us-ascii"; format=flowed

At 03:00 PM 6/27/2010 Sunday, Mike \"Rocket J Squirrel\" wrote:
>I was wondering how to interpret "B4,8x38" -- so, what is that -- 4.8mm
>(3/16'') diameter and, uh, 38 TPI? The "B" ... ?


38 mm long would be 1 and .992125984/2 inches long.


Type B has a 60ddeg flank angle thread and can form a thread in soft
materials. The end of the screw is blunt, offering more thread
engagement in short length applications.


Type AB is likewise but has a sharp point.


Type 25 has a blunt point with a thread-tapping slot cut in the end.


Type TEK2 adds a drill point so it can drill its own holes.


Yr Servant,
d
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