PF11PM-440-1-N is a large knob, spring-loaded, captive panel screw with a Phillips drive, #4-40 thread, and 0.170 inch length, designed as a PEM® C.A.P.S.® assembly with a PC/ABS knob and hardened carbon steel screw and retainer. The screw features a flare-mounted retainer and is intended for use in sheet materials with a hardness of HRB 80 or less or HB 150 or less. The knob is black, as specified by the -N suffix, and complies with UL 94V-0 for flammability at temperatures up to 210°F (99°C). The assembly includes a spring-loaded mechanism and a retainment system that prevents detachment during service access.
| PennEngineering® | |
|---|---|
| Product Category | Captive Fasteners |
| Product Number | PF11PM-440-1-N |
| Product Name | Large Knob, Spring-loaded - PEM C.A.P.S. - Unified |
| Captive Fastener Class / Type | Captive Screws |
| Decimal Thread Diameter | 0.1120 inch (2.84 mm) |
| Unified Thread Notation | Unified |
| Shoulder Diameter | 0.0360 inch (0.9144 mm) |
| Panel Thickness | 0.0360 inch (0.9144 mm) |