Using the International Building Code (IBC) as a point of reference, the maximum spacing for a building of two stories or less is 6 feet (1829 mm) on center between anchor bolts. The minimum embedded depth is 7 inches (178 mm) and the minimum diameter required is 1/2″ (12.7 mm).

The wedge anchors hole needs to be drilled a minimum of 1/2” deeper than the anchor will penetrate the concrete. Each diameter anchor has a minimum embedment for installation to allow the anchor to achieve its minimum holding values.

The IRC stipulates that anchor bolts need to be embedded into the concrete a minimum of seven inches, but keep in mind that you need at least 2-3 inches protruding from the concrete to accommodate the pressure treated sill plate, as well as a plate washer and a nut.
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