Incorporating captive screw in spring-loaded assembly, self-clinching PEM Type PF50 and Type PF60 help keep parts to minimum and prevent screws from falling out and damaging internal components. RoHS-compliant hardware installs permanently in aluminum or steel panels as thin as 0.03 in./0.8 mm. Phillips recess enables captive screws to be tightened or loosened using Phillips screwdriver. When tightened, fasteners protrude as little as 0.34 in./8.64 mm from top of sheet.