Page 257 - ZSi-Foster-Engineering-Catalog
P. 257

Bolted Channel Attachment Information
     Shallow channel bolted thru from inside to backing plate with 1⁄2" dia. Allen head bolt and washer; hex nut behind.
Shallow channel bolted thru from face to backing plate with 1⁄4" face fitting and 1⁄2" hex bolt; hex nut behind.
1-5⁄8" deep channel type bolted thru from inside to backing plate with 3⁄8" dia. hex bolt, and washer; hex nut behind.
Deep style channel bolted thru from inside to beam flange utilizing 1⁄2" dia. hex bolt washer (inside channel),beveled washer and hex nut on top of flange.
                                  Do not over tighten faced thru bolts
Utilize bolting security measures to prevent accidental loosening.
         OVER TIGHTENING CAUTION
Over tightening "bottoming" a threaded fastener against the bottom of a channel section will result in serious damage and possible failure. Use proper length fasteners and leave a slight gap; fastener face to channel surface.
          Gap
Shallow channel with 1⁄4" thick fitting and 15⁄16" max. bolt length.
1-5⁄8" Channel with 1⁄4" fitting and 1-1⁄4" working length bolt.
1-5⁄8" Deep Channel with 1⁄4" thick fitting and 1⁄2" all thread.
   ZSi-Foster Engineering Catalog
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