The functionality of lock bolt systems is based on cold forming/ extrusion technology. A so-called collar gets cold formed during installation by an anvil (part of a special installation tool) into unique locking grooves of a pin. After the installation the fastener is mechanical locked due to this volume controlled swaging process.
Chancellor backs third runway at Heathrow
The decision to develop LHR plus LGW and Luton will reinforce the need for travel to/from these locations from elsewhere in the country. Has any real...