International Organization for Standardization (ISO)
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ISO 7129:1997
Scope
This International Standard specifies
— the principal shapes and dimensions of the cross-section,
— the hole location for the mounting bolts,
— the shapes and dimensions of holes for the mounting bolts,
for cutting used on tractor-dozers, graders and scrapers, as defined in ISO 6165, taking interchangeability into consideration.
NOTE — Some values in inches in this International Standard are not equivalent to the corresponding values in millimetres because widely used values have been adopted.
ISO 7129:1997 history
1997ISO 7129:1997 Earth-moving machinery - Cutting edges used on tractors-dozers, graders and scrapers - Principal shapes and basic dimensions
1989ISO 7129:1989 Earth-moving machinery; tractors with dozer, graders, tractor scrapers, cutting edges; principal shapes and basic dimensions
1982ISO 7129:1982 Earth-moving machinery — Tractors with dozer, graders, tractor scrapers — Cutting edges — Principal shapes and basic dimensions