PF11PM is a spring-loaded captive panel screw with a PC/ABS knob, designed for installation into sheet metal up to HRB 80 or HB 150 hardness. It features a Phillips driver recess, M3 metric thread, and a patented design with dimples indicating metric sizing. The knob is available in standard black or custom colors, with this variant specifying red. The screw includes a hardened carbon steel threaded barrel, a 300 series stainless steel spring, and a bright nickel-plated retainer for corrosion resistance. The assembly provides a minimum of 0.25 mm floating tolerance in all directions, ensuring alignment compensation during installation. The full assembly is UL 94V-0 rated and operates within a temperature limit of 99°C. The knob color code R denotes red, applied as a suffix to the base part number.
| PennEngineering® | |
|---|---|
| Product Category | Captive Fasteners |
| Product Number | PF11PM-M3-0-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 | 0.2189 inch (5.56 mm) |
| Head Type | Other; knob |