PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric PF12MF-M5-1-BL-2

The PF12MF series consists of spring-loaded, flare-mounted captive panel screws with a large knob, designed for secure attachment to thin materials with easy service access. The screw has a hardened carbon steel body, aluminum knob and retainer, and a 300 series stainless steel spring. It features a zinc-plated screw finish per ASTM B633, SC1 (5μm), Type III, with a DuraBlack™ option available for both knob and screw. The M5 thread is ASME B1.13M, 6g compliant, with a minimum flare-mounted hole size of 6.76 mm and a maximum installed height of 16.26 mm. The unit provides 0.5 mm total float and is installed with a #2 Phillips driver.