Fastenal's vending and onsite footprint is a service lock-in, not a SKU play

Once a plant depends on vending and onsite replenishment, switching cost is operational. That is a different game from catalog price comparison.

Evidence

A URL is not enough. Each observation sits on an extracted claim with a locator back to the captured source.

Supports: Fastenal's service model is physical presence plus automated replenishment.
“FASTVend and onsite locations as the mechanism for becoming part of a customer's replenishment workflow”
Loomscape seed notebook · Fastenal keeps pushing vending and onsite inventory inside plants