To be used on cutting edges and end bits in conjunction with No. 3 head plow bolts (Ref. ANSI B18.9) typically used on off-road self-propelled work machines as described in SAE J1116. Cutting edges are further in SAE J737, J739 and J1304. End bits are further defined in SAE J63.
SAE J740-2006 history
2011SAE J740-2011 Countersunk Square Holes for Cutting Edges and End Bits
2006SAE J740-2006 Countersunk Square Holes for Cutting Edges and End Bits
1986SAE J740-1986 Countersunk Square Holes for Cutting Edges and End Bits