2006年2月5日 · When section thickness exceeds A in drawing 1 (Figure 2) (countersunk one side) or B in drawing 4 (countersunk both sides), use counterbore with diameter D, as shown in cross section drawings 2, 5 and 6, or extended countersink …

SAE International Technical Standard, Countersunk Square Holes for Cutting Edges and End Bits, SAE Standard J740_201110, Stabilized October 2011, Issued April 1958, https://doi.org/10.4271/J740_201110.

sae j 740-2006 (sae j740-2006) Countersunk Square Holes for Cutting Edges and End Bits 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.

SAE J740_201110《刃口和端部钻头用沉头方孔（稳定:2011年10月）》 本文件已被宣布为“稳定”，不再接受货币定期审查。 用户负责验证参考资料和持续适用性或技术要求。 新技术可能存在。 与SAE J1116中所述的越野自行式工作机器上通常使用的3号头犁螺栓（参考ANSI B18.9）一起用于切削刃和端头钻头。 SAE J737、J739和J1304中进一步规定了切削刃。 SAE J63中进一步定义 …

sae j 740-2011《用于切割边和终点的沉孔方孔》 本文件已被宣布为“稳定”文件，不再接受定期货币审查。 用户负责验证参考文件和持续适用性或技术要求。

SAE J 740-2006,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, …

Countersunk Square Holes for Cutting Edges and End Bits Published By Publication Date Number of Pages SAE 2011-10-25 3

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SAE J740 – Countersunk Square Holes for Cutting Edges and End Bits (Stabilized: Oct 2011) This document has been declared “Stabilized” and will no longer be subjected to periodic reviews for currency.

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 …