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SAE J740_200602
- Countersunk Square Holes for Cutting Edges and End Bits
- standard by SAE International, 02/05/2006
- Publisher: SAE
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This standard specifies the principal shapes and dimensions for countersunk square holes. 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.