Monthly archives: January, 2021

Calculating Required Thread Engagement – 1/18/21

Rules-of-thumb for thread engagement typically advise:  For a steel nut member:  1 – 1 ½  times the fastener diameter should be engaged and for aluminum nut members:  2 – 2 ½  times the fastener diameter should be engaged.  But these guidelines frequently result in over-designed joints and sometimes these full-thread lengths just aren’t available in …