TE Connectivity 4mm Grounding Contact

Used for grounding between a device and PCB
Provides shielding for anything that can cause vibrations within a device, such as motors, speakers, and microphones
Provides a cost effective solution for antenna feeds in all types of devices
Used as a connection for simple stacking applications between primary and secondary PCBs
Available in heights as low as 0.4mm and up to 7mm
Requires limited space on a PCB
Accommodates soldering and pick and place using standard equipment
Prevents EMI noise and static
Provides a highly reliable connection
Provides an easy and inexpensive method for connecting multiple PCBs
Allows for versatility in PCB layout
Provides flexible, quick-turn design-ins
Does not require expensive,specialized application equipment
Applications
Mobile phones
Wearable devices
Game consoles
Tablets
Patient monitoring devices
POS scanners
Security systems
GPS devices