As shown in FIGS 4 and 5, when {TAIL ~ the support mount} 10 is suspended from {HEAD ~ a rafter, joist}, or when otherwise appropriate, a shoulder nut 44 is used 
As shown in FIGS 4 and 5 , when { TAIL ~ the support mount } 10 is suspended from { HEAD ~ a rafter , joist } , or when otherwise appropriate , a shoulder nut 44 is used
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH