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Topic Closed5/8-11 UNC 2A length?
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griartejm View Drop Down
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Joined: 11.Feb.2011
Location: Philippines
Using: AutoCAD2011
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Points: 13 		Direct Link To This Post Topic: 5/8-11 UNC 2A length?
    Posted: 02.Jan.2012 at 10:43
Can you determine the length of a bolt with a callout 5/8-11 UNC 2A ?
 
im used to determine bolt call outs in metric, im getting confused on using American Standard Call out on threads. Help please! Thanks!
Balot Penoy!
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philippe JOSEPH View Drop Down
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Joined: 14.Mar.2011
Location: France
Using: AutoCAD Mechanical 2017
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Points: 1426 		Direct Link To This Post Posted: 02.Jan.2012 at 11:20
Hello, the bolt that you are talking with the "callout" 5/8-11 UNC 2A doesn't include the length.
 
5/8 means the diameter of 5/8 x 25.4 = 15.875 mm
11 means 11 threads per inch # 25.4/11 = 2.3090909... mm pitch
UN means UNified ( american standard )
C means Coarse ( standard big pitch versus Fine pitch )
2A means the tolerance of the fabrication ( standard )
 
The length of a 5/8 screw ( bolt = screw + nut ) is between 1" ( 25.4 mm ) and 6" ( 152.4 mm ) including :
1" , 1"-1/8 , 1"-1/4 , 1"-3/8 , 1"-1/2 , 1"-3/4 , 2" , 2"-1/4 , 2"-1/2 , 2"-3/4 , 3" , 3"-1/4 , 3"-1/2 , 3"-3/4 , 4" , 4"-1/2 , 5" , 5"-1/2 , 6"
 
You should also specify the material for example : Steel - Grade 5
You should also specify the "state fo delivery" ( protection )
 
Ask for more; you should read more informations about Unified Thred Standard on WIKIPEDIA or on school books if available for you.
 
I have an old example in PDF form of "CLARK Equipment" bolts standards that I can send to you on request.
 
 
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griartejm View Drop Down
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Joined: 11.Feb.2011
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Points: 13 		Direct Link To This Post Posted: 02.Jan.2012 at 11:35
thank you very much dude,yes please can you send me the sample ur talking about? ( griartemichael@yahoo.com.ph ) 
 
quick question, can i specify the length of the thread in American Standard? for example:
5/8-11 UNC 2A 6" Length
What would be the proper representation for it if i want to include the length?
 
Thanks!
Thanks!
Thanks! Really helpful!Big%20smile


Edited by griartejm - 03.Jan.2012 at 01:42
Balot Penoy!
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heinsite View Drop Down
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Joined: 05.Feb.2009
Location: United States
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Points: 640 		Direct Link To This Post Posted: 05.Jan.2012 at 07:06
This is what really is best about this particular discussion board... what one might call the "Value-Added Posts".  Folks here don't just answer the immediate question at hand, they anticipate and provide that extra measure of useful information.

Great answer, Philippe!  Thumbs%20Up

Dave
Dave Hein, P.E.
Hawaii District Engineer
Kona International Airport
AutoCAD Certified Professional
Autodesk Expert Elite
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philippe JOSEPH View Drop Down
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Joined: 14.Mar.2011
Location: France
Using: AutoCAD Mechanical 2017
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Points: 1426 		Direct Link To This Post Posted: 05.Jan.2012 at 07:58
Dave, thanks a lot !!!
Your answer is too good for me comming from THE engineer of Hawaii ( just this makes me dreamming !! )
I found my contribution to this exellent forum normal as I'm already learning a lot every day ( and I'm using AutoCAD every day at work since AutoCAD R13 - 1995 ).
Without answering at every discussion I read all of them and learn a lot.
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