SIZE

Out. Dia. and
Thds. P. In.

.073-64
.086-56
.099-48

Tap Drill

Minimum Maximum Difference Minimum Maximum Difference Minimum Maximum Difference Diameters

36

.1135

.1179

.0044'

.0955

.0969

.0014

.0774

.0803

.0029

.081

PROPORTIONS OF MACHINE SCREW HEADS

A. S. M. E. Standard

THE four standard heads are given herewith. These proportions are based on and include the diameter of the screw, diameter of the head, thickness of head, width and depth of slot, radius for round and fillister heads, and included angle of the flat-head screw.

OVAL FILLISTER HEAD MACHINE SCREWS. A. S. M. E. STANDARD