Screw - University of Utah

Screw thread terminology. 13. 5.2. Unified thread standard. 13. 5.2.1. Origins. 13. 5.2.2. ... Same type/size of tightened element (nut or bolt head) Same joint configuration. Thickness. Material(s) ... The grip length Lg is measured from the bottom of the bolt or nut (if used). If a tapped hole is used, the grip length is measured to the ... ................
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