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