This Standard applies to portable power tools for drilling, grinding, polishing, sawing, and driving threaded fasteners,and hand tools for driving threaded fasteners. Other tools not classed as percussion tools belong in this category and may be added by revision or addition through the usual procedure.
This Standard includes dimensions and tolerances for both driving and driven elements where such coordination is important and not established by reference to the pertinent American National Standards. All dimensions are in inches and millimeters.
本標準適用于鉆孔、研磨、拋光、鋸切和驅動螺紋緊固件的便攜式電動工具,以及用于驅動螺紋緊固件的手動工具。其他未歸類為打擊工具的工具也屬于此類,通過通常的程序修改或添加。
本標準包括主動和從動元件的尺寸和公差很重要且未參考相關美國國家標準而建立。所有尺寸均以英寸和毫米為單位。