Page 246 - ZSi-Foster Engineering Catalog - Electronic Version 2

Safe Thru-Bolting and Trapeze Information
CC
AA ED
GG
C
A D
G
D
B
Double Section Perforated Channel
D B
E B
Single Section Perforated Channel
Common Components
A: Top Hex Nut
B: Bottom Double Hex Nuts
C: All Thread Rod
D: Flat Fitting (W5004 With Indents Shown).
E: Fender or "Cut" Washer. (Recommended).
F: (Not Shown) Lock Washer (S), Kep Nut(S), or Other Security Measures as Required.
G: Perforated Strut (Recommended).
Over tightening face supported through bolted all thread rod or other mechanical fasteners can distort the channel section beyond its intended maximum safe configuration causing serious distortion and possible failure.
Utilize bolting security measures to prevent accidental loosening.
D
G
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E
B
C