The rearTWIST HD BNC cable connector offers a true 75 Ω design and is perfectly suitable for HD applications. The patented rearTWIST boot guarantees easy access even in high-density applications and offers color coding.
  
  Suitable cables:
  Belden 1694A (ANH), Belden 4694R, Bryant BD SD11, Canare L-4.5CHD, Clark Wire CD7506-0, CommScope 5765, Gepco VSD2001, Suhner S05163-02, Suhner S05133-07, Percon VK77
  
  Crimp size:
  Pin: 1.6 mm (square)
  Shield: 7.36 mm (hex) 
                 
 Image 2 is this series but generic, so the size may not be accurate.