Specifications

 Thread Diameter Zinc Plated Hot Dip Galvanised Stainless Steel
M6 FW6Z  FW6H  FW6S
M8 FW8Z  FW8H  FW8S
M10 FW10Z  FW10H  FW10S
M12 FW12Z  FW12H  FW12S
M16 FW16Z  FW16H  FW16S