材料、标称尺寸、公差；用于平行键、锥形键、钩头键、矩形键和方形键，以及半圆键。标称尺寸、尺寸；用于切向键、锥形轴端键、船用尾轴键。所有键槽的详细信息。平头键和钩头键的首选长度。惠特尼，英国和美国伍德拉夫关键数字比较。交叉引用:BS 308BS 350BS 970BS 1916BS 2059

Materials, nominal sizes, tolerances; for parallel keys, taper keys, gib-head keys rectangular and square, and Woodruff keys. Nominal sizes, dimensions; for tangential keys, tapered-shaft-end keys, marine tailshaft keys. Details of all keyways. Preferred lengths of the plain and gib-head keys. Whitney, British and American Woodruff key numbers compared.Cross References:BS 308BS 350BS 970BS 1916BS 2059