What does 0.1D signify in this cotter joint. I meant is it denotes spacing between pin and hole. I am new to machine drawing , kindly let me know. Thanks in advance
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$\begingroup$ Can you include the source of this image - the website or PDF? $\endgroup$– Jonathan R SwiftApr 13, 2021 at 15:14
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That is just clearance between the Cotter and the Socket/Spigot.
The Cotter pushes only one one side of the slot that it is fitted into, so there should be clearance on the opposite side to ensure this.
"D" = the last two digits of the roll number, as shown at the bottom right.
The image below is taken from https://www.youtube.com/watch?v=7sUjb-uQwOI which should clear things up conceptually for you
answered Apr 13, 2021 at 15:16