This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This document is to be used on cutting edges and end bits in conjunction with metric bolts typically used on off-road, self-propelled work machines as described in SAE J1116. This document specifies the principle shapes and dimensions for countersunk square holes.
SAE J1580-2011 Referenced Document
ISO 6165:2006 Earth-moving machinery - Basic types - Identification and terms and definitions
ISO 7129:1997 Earth-moving machinery - Cutting edges used on tractors-dozers, graders and scrapers - Principal shapes and basic dimensions
ISO 7852:1983 Earth-moving machinery; Plough bolt heads; Shapes and dimensions (excluding thread dimensions)
SAE J1116-2004 Categories of Off-Road Self-Propelled Work Machines