The PF11PM series consists of spring-loaded, flare-mounted captive panel screws with a plastic knob made of PC/ABS (UL 94V-0, halogen-free), a hardened carbon steel screw and retainer, and a 300 series stainless steel spring. The part is designed for use in sheet metals with hardness up to HRB 80 or HB 150, and features a Phillips driver recess. The M3 thread size variant has a nominal screw length of 4.32 mm, a minimum sheet thickness of 0.92 mm, and a maximum sheet thickness of 3.05 mm. The knob is available in standard colors including red, with color codes added to the part number. Installation requires a minimum distance from edge of 7.11 mm and a hole diameter of 5.56 mm.
| PennEngineering® | |
|---|---|
| Product Category | Captive Fasteners |
| Product Number | PF11PM-632-1-R-2 |
| Product Name | Large Knob, Spring-loaded - PEM C.A.P.S. - Unified |
| Captive Fastener Class / Type | Captive Screws |
| Decimal Thread Diameter | 0.1380 inch (3.51 mm) |
| Unified Thread Notation | Unified |
| Shoulder Diameter | 0.0360 inch (0.9144 mm) |
| Panel Thickness | 0.0360 inch (0.9144 mm) |
