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Need graphical image for better understanding. --120.61.27.205 (talk) 05:39, 16 March 2011 (UTC)
This page states: -"This type of nut can be used only for trapezoidal threads.[1]"- However, Buttress thread links here. Laned130 (talk) 11:54, 24 July 2012 (UTC)
 | It is requested that an image or photograph of Diagram or photo of such a nut be included in this article to improve its quality. Please replace this template with a more specific media request template where possible.
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- ^ V B, Bhandari. Introduction to machine design. Tata McGRAW hill. p. 619.