The PF11PM series consists of large knob, spring-loaded, captive panel screws with a Phillips driver recess, designed for installation into sheet metal up to HRB 80 or HB 150 hardness. The component features a PC/ABS knob (UL 94V-0, halogen-free), hardened carbon steel screw and retainer, and 300 series stainless steel spring and clip. The retainer is flare-mounted and includes a clinching profile with a minimum float of 0.25 mm in all directions. The M4 x 0.7 thread size has a nominal shank length of 7.92 mm, a head height of 5.56 mm, and requires a 7.11 mm minimum hole-to-edge distance. Knobs are available in standard black or optional colors, with the red color code indicated by the suffix -R. Installation requires a #2 driver.
| PennEngineering® | |
|---|---|
| Product Category | Captive Fasteners |
| Product Number | PF11PM-M4-1-R |
| Product Name | Large Knob, Spring-loaded - PEM C.A.P.S. - Metric |
| Captive Fastener Class / Type | Captive Screws |
| Metric Thread Notation | Metric |
| Hole Size | 0.3118 inch (7.92 mm) |
| Head Type | Other; knob |