TM 55-607/NAVSEA OP 3221 Rev 2
Figure 6-22. Nail penetration required to resist maximum allowable lateral loads.
(5) Nailheads or nail points may be clinched, when necessary, to ensure that all nailed surfaces are smooth.
Normally, the point end is clinched; however, if the point end is inaccessible (for example, when flooring is nailed over a