Connecting Coupling Nuts M6 M8 M10 M12 Threaded Full through Connectors DIN6334
Hexagonal Connecting Nuts Full through M6 M8 M10 M12. Connecting nuts are known as Studding Connectors or Connecting nuts, Coupler or Coupling nuts, Extension nuts or Joining nuts. M8 x 24mm length ; Spanner size 13mm, thread pitch 1.25mm.