DIYbanter - View Single Post - How much weight can a wall support (mounting a cabinet on a wall)

In article ,
says...
On Sun, 16 Nov 2003 07:01:24 GMT, Larry Jaques
wrote:

I've had failures in drywall screws, but it was from a
racking/bending force, not shear force. Have you had a
failure from shear?

Overtightening a drywall screw, which is common with power-driven
screws into wood/wood interfaces, will twist the head right off.

Barry

But that's a torsional force, not shear force.