PennEngineering® Large Knob, Spring-loaded - Types PF11MF and PF12MF - Metric PF12MF-M4-2-BL

PF12MF-M4-2-BL is a spring-loaded, flare-mounted captive panel screw with a knurled knob for secure, tool-free panel access. It has an M4 x 0.7 metric thread, hardened carbon steel screw, aluminum knob and retainer, and a 300 series stainless steel spring. The DuraBlack™ finish, indicated by the "BL" suffix, applies to both knob and screw. It installs with a minimum 0.5mm float, requires a 6.76 mm countersunk hole, and has a total installed height of 16.26 mm. The drive is a #2 Phillips recess. The shoulder provides a positive stop during installation. The design accommodates painted or stainless steel panels and supports alignment tolerance.