About the Bolt Connectors

The basketball rim and the backboard are attached together by four identical bolts.

The following table shows the parameters of the four bolt connectors:

Parameter Value
Bolt Shank Diameter 0.35 inches
Head Diameter 0.75 inches
Nut Diameter 0.75 inches
Pre-load 100 lbs
Young's Modulus (EX) 3e7 psi
Poisson's Ratio (NUXY) 0.3

The following image shows the edges that define a bolt connector between two components. The bolt head contact edge belongs to Component 1 (Basketball_rim) and the bolt nut contact edge belongs to Component 2 (Backboard).

The four bolts are shown below.