扩径3/16至^9/$d3$d2英寸至2¾至3^1^1/$d3$d2英寸的铰刀的尺寸和要求。叶片的数量、长度、宽度、总长、螺纹直径和节距、柄直径、方形尺寸。公制当量表。交叉引用:BS 1580BS 1916:第1部分

Dimensions, requirements for reamers of expansion 3/16 to ^9/$d3$d2 in to 2¾ to 3^1^1/$d3$d2 in. Number, length, width of blades, overall length, thread diameter and pitch, shank diameter, dimensions of squares. Table of metric equivalents.Cross References:BS 1580BS 1916:Part 1