PennEngineering® Large Knob, Spring-loaded - Types PF11MW and PF12MW - Metric PF12MW-M4-1-2

The PF12MW series consists of spring-loaded, flare-mounted, floating captive panel screws with an external metric thread, designed for applications requiring compensation for mating hole misalignment and installation into any panel hardness. The screw is made of hardened carbon steel, the knob and retainer are aluminum, and the spring and washer are 300 series stainless steel. Available in M4 x 0.7 thread size, the part has a shank length of 8.89 mm, a head diameter of 13.06 mm, and a total installed height of 16.26 mm. It includes a knurled cap for manual actuation and a DuraBlack finish option. All variants ship with a mating washer and are compatible with a #2 driver.