Standard

approximate size of opening x thickness or steel x size of sheet

  • 1 X .8# (1/2 X 1/8) X Bar Channel 
  • 1-1/2 X 1.12# (1/2 X 1/8) X Bar Channel 
  • 2 X 1.59# (1 X 1/8) X Bar Channel 
  • 3 X 3.5 # (1-3/8 X 5/32) X Standard Channel 
  • 3 X 4.1# (1-3/8 X 3/16) X Standard Channel 
  • 4 X 4.5# (1-9/16 X 1/8) X Standard Channel 
  • 4 X 5.4# (1-9/16 X 3/16) X Standard Channel 
  • 4 X 7.25# (1-3/4 X 5/16) X Standard Channel 
  • 5 X 6.7# (1-11/16 X 3/16) X Standard Channel 
  • 6 X 8.2# (1-7/8 X 3/16) X Standard Channel 
  • 7 X 9.8# (2-1/16 X 1/4) X Standard Channel 
  • 8 X 11.5# (2-1/4 X 1/4) X Standard Channel 
  • 10 X 15.3# (2-5/8 X 1/4) X Standard Channel 
  • 12 X 20.7# (2-15/16 X 1/4) X Standard Channel