K-Factor
A standard set by the Rack Manufacturers Institute for calculating column design and column slenderness.
KSI
A reading of pressure or stress in the testing of steel. PSI rated in 1,000 lbs. per square inch.
ex: KSI for most rack components is between 50 and 55 KSI. i.e. 50,000 lbs. per square inch.Keyhole
The teardrop shaped holes that are punched on the face of interchangeable uprights for beams to attach to.
L-Rail
(versa rail, add-a-shelf) A metal bracket in the shape of an “L”, which attaches to an upright and an intermediate post (VPD) to segregate a bay with different size shelves. L-rails attach with two tabs at either end and re quire no hardware. Decking is placed on the L-rails to make a shelf.Lumber Cradle
Structural steel channels welded in the shape of a large “U” to hold loose boards and other items that are broken bundles. Two lumber cradles are required at either end of the lumber.LTL
Less than Truck Load. A less expensive method of trucking which combines many orders on one truck and takes product to a terminal for distribution onto another truck.