The Quad Coupler 1.5 Swivel is made by bolting two Quad Couplers together with the flat or non-keyed sides facing each other.
Minimum Size
1.25″ OD tube, 1″ pipe, 1.315″ OD pipe
Maximum Size
1.5″ OD tube, 1-1/4″ pipe
Working Load Limit
770 lbs.
Hardware
3/8″ – 16 tpi x 1.25″ Socket Head Cap Screw.
2 way nylon locking nut.
Dimensions
1.25″ thick, each coupler
Weight
.5 lbs, each coupler
Case Quantities
12
What is a Cheeseboro?
Cheeseborough clamps aka Cheeseboro, Scaffold Clamps, Couplers, Swivels and even Cheese-burger or Burger Clamps. The name is believed to derive from the Chesebro-Whitman manufacturing company of New York. The devices are used for connecting iron pipes or aluminum tubes. They come in two styles; rigid (aka fixed 90¡) or Swivel.