ISO 4002-1:1979 Preview
Equipment for sowing and planting -- Part 1: Concave disks type D1 -- Dimensions
This standard was last reviewed and confirmed in 2010. Therefore this version remains current.
Establishes the dimensions of disks, with or without central hole. The table given the dimensions and fixing holes for sizes I to IV; the figure illustrates the various dimensions given and shows a section of the disk.