The SCBR™ spinning clinch bolt with self-retracting feature is a tool-only, captive panel screw designed to permanently install into sheet metal as thin as 1.02 mm. It retains the screw in the panel while allowing it to spin freely and retracts automatically via an integrated spring. The screw features an M4 x 0.5 metric thread, a zinc-plated hardened carbon steel body per ASTM B633, SC1 (5µm), and a natural finish stainless steel spring. It requires a minimum hole size of 4 mm and a minimum distance from edge of 5.4 mm. The screw is shipped with a mating spring and is suitable for use in materials with a hardness of HRB 80 or less or HB 150 or less.
PEM Type SCBR™ Spinning Clinch Bolt installs by simply pressing it into a properly sized hole. The controlled clinching action permanently captivates the screw and spring in the panel and allows the screw to spin freely in the sheet.
Features and Benefits
Type SCBR screws are shipped with mating springs.
| PennEngineering® | |
|---|---|
| Product Category | Captive Fasteners |
| Product Number | SCBR-M4-12-ZI |
| Product Name | Captive Panel Screw-Tool only, Spinning Clinch Bolt, Self-retracting Spring - Metric |
| Captive Fastener Class / Type | Captive Screws |
| Metric Thread Notation | Metric |
| Hole Size | 0.1575 inch (4 mm) |
| Material | Hardened Steel |
