PF11PM series captive panel screws are spring-loaded, flush-mounted fasteners with a plastic (PC/ABS) knob and hardened carbon steel screw and retainer, designed for use in sheet materials with a hardness of HRB 80 or less or HB 150 or less. The PF11PM-M4 variant features an M4x0.7 metric thread, a 7.92 mm maximum shank length, and a 1.52 mm shoulder height, with a minimum hole size of 5.56 mm and a minimum distance to edge of 8.38 mm. The knob is black as standard and may be ordered in other colors. The assembly supports a minimum 0.25 mm axial float and complies with ASME B1.1 and B1.13M thread standards. The knob material meets UL 94V-0, halogen-free specifications with a maximum operating temperature of 99°C.
| PennEngineering® | |
|---|---|
| Product Category | Captive Fasteners |
| Product Number | PF11PM-M4-1-N |
| 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 |