BS 328-1:1959

This standard BS 328-1:1959 Drills and reamers is classified in these ICS categories:

• 25.100.30 Drills, countersinks, reamers

Dimensions, tolerances for parallel shank jobber series, stub, parallel shank long series twist drills and for Morse taper shank drills, core drills. Tables of inch and metric sizes; tables for each drill type, so that non-listed sizes may be made to standard dimensions. Dimensions for taper square shank and bit stock twist drills, etc.