Interlake Teardrop vs. Structural
There are two types of Interlake pallet racking, referred to as "Wedge" Style and Teardrop Style. The wedge style beams are compatible with any teardrop upright frame, however the teardrop style beams will not fit a wedge style upright frame.
Interlake started manufacturing a shaved pin style beam connector that is compatible with both wedge and teardrop style pallet racking systems.
Interlake pallet racking is most commonly green uprights and orange beams.
Often available in a much heavier weight capacities using the same dimensions of traditional roll-formed pallet rack. Structural is usually assembled with nuts and bolts.
There are no particular colors associated with structural racking.
Hannibal Roll-Formed vs. Structural
Roll-Formed Selective Pallet Rack is the most flexible and extensively used pallet rack in the material handling industry. Norlift offers a wide variety of styles, sizes and gauges to meet most capacity and seismic requirements.
Standard colors are blue uprights and yellow beams.
Structural Pallet Rack is manufactured from heavy-duty hot rolled structural steel to withstand the most rigorous of applications. The S-Series is available in various sizes and capacities to meet stringent requirement.
Standard colors are blue uprights and orange beams.
Spacerak Roll-Formed vs. Structural
3- or 4-pin end connectors
Allow for 2" vertical adjustability
Various profile heights with a 1-5/8" interior step for added strength and versatility
Teardrop punch on 2" vertical increments for boltless beam connection
Standard 2 bolt, 4 hole x 8" end connector for 2" vertical adjustability
Welded column reinforcements for added capacity and increased impact damage resistance
Automatic locking devices
Design lets studs secure to uprights
Features a "wedge lock" clip system to hold the beams in place.
Beams sit on clip that fits in slots on uprights - provides strong friction connection.
Standard colors are dark blue uprights/beams and yellow beams.
Unarco T-Bolt (new & old)
Beams are attached to the upright with large bolts and must be tightened properly.
A tab on each beam end connector holds the beam in place while T-Bolt is installed
T-Bolt is inserted through the front of the beam turned by 90-degrees
Standard colors are dark blue or orange beams and dark blue uprights.