"A" Dimension of Weld-o-let 1

[shafmech]

Hi there,


What is meant by "A" dimension of a weld-o-let? I would appreciate if you could give me any reference (book or code number) to get this.
Thank you.

 

[pennpiper]

Go here:

http://wfi-intl.com/WFI_catalog05.pdf