This standard is for cutting edge sections typically used in earthmoving machinery defined in SAE J1507:
- a Tractor - Scrapers as defined in SAE J728.
- b Dozers as described in SAE J729 and J173.
- c Loaders as described in SAE J731.
- d Graders as described in SAE J870.
Hole spacing is defined for dozers and scrapers in J737 and graders in J739. Hole conformation is defined in J740.