Incorporating MAThread anticross-threading captive screw technology, PEM floating access fasteners compensate for up to 0.06 in. mating thread misalignment. Model PF11MW with knurled cap meets operator access area requirements similar to UL 508. Model PF12MW with smooth cap meets service access area requirements similar to UL 1950. With #4–40 to 1/4–20 and M3 to M6 thread sizes, they suit close centerline-to-edge applications and can be installed on painted surfaces without marring.