Stack Pin – 1.375″ OD (#6)

SKU: 381SP


  • (1) Scaffolding Stack Pin – 1.375″ OD (#6)

Spring rivet not included, typical use requires one spring rivet per stack pin.

All yellow and blue pattern frames in our inventory use this stack pin, with the exception of our #5 tube (1.5″ OD) premium frame in yellow.



Our stack pins measure 1.37″ outer diameter on both ends and are 9″ long. Each end has a hole for pinning to the frame on the top and the bottom. There is a 1″, brad-installed collar in the middle. The ends are tapered for an easy fit, and these stackpins are galvanized for longevity.

Weight 1 lbs


Collar Length


Outside Diameter


Center of Hole to Center of Hole