ZEUS engineer charts

This is the popular small pocket booklet that is the reference book
for fitters, metal workers and draftsmen. It is printed on stiff card,
with a protective plastic coating that makes it very durable for use
in the workshop.
The pages are heavily laminated and include details on standard
drill sizes and decimal equivalents, BA standard tapping drills,
threads, and tapping drills, ANC threads and tapping drills, ISO limits
and fits, and hardness comparison tables.
An extremely handy pocket sized addition to any workshop.
ZEUS data charts and reference tables
packed full of vital information
for drawing office  ~  toolroom  ~  workshop