本标准涵盖了铲式钻头刀片和铲式钻头支架的术语、定义、尺寸和公差，只要支架定位并固定铲式钻头刀片。所有尺寸单位均为英寸。附录A给出了英寸到毫米的换算表。

This Standard covers nomenclature, definitions, sizes and tolerances for spade drill blades and spade drill holders insofar as the holder locates and holds the spade drill blade. All dimensions are in inches. Conversion tables from inch to millimeter are given in Appendix A.