Round Straight Centers

Round Hole PATTERNS

Round Straight Centers are another pattern type that are used because of their attractive appearance. They are not as strong as the 60 degree patterns because the holes line up in either direction.

ROUND, STRAIGHT CENTERS - .013 - .076 HOLE DIA. (.330 mm x 1.930mm)

.013 X .044 (.330 mm x 1.12 mm)

.013 X .044
HPSI: 517
%OA: 6.9
Max Perf Width: 24

.014 X .053 (.356 mm x 1.346 mm)

.014 X .053
HPSI: 356
%OA: 5.5
Max Perf Width: 24

.016 X .026 (.406 mm x .660 mm)

.016 X .026
HPSI: 1479
%OA: 29.7
Max Perf Width: 36

.040 X .066 (1.016 mm x 1.676 mm)

.040 X .066
HPSI: 229.6
%OA: 28.9
Max Perf Width: 36"

.050 X .066 (1.270 mm x 1.676 mm)

.050 X .066
HPSI: 230
%OA: 45.1
Max Perf Width: 36

.050 X .083 (1.270 mm x 2.108 mm)

.050 X .083
HPSI: 145
%OA: 28.5
Max Perf Width: 36

.050 X .134 (1.270 mm x 3.404 mm)

.050 X .134
HPSI: 56
%OA: 10.9
Max Perf Width: 60

.050 X .268 (1.270 mm x 6.807 mm)

.050 X .268
HPSI: 14
%OA: 2.7
Max Perf Width: 60

.057 X .083 (1.448 mm x 2.108 mm)

.057 X .083
HPSI: 145
%OA: 37.0
Max Perf Width: 36

.063 X .100 (1.600 mm x 2.540 mm)

.063 X .100
HPSI: 100
%OA: 31.2
Max Perf Width: 36

.076 X .146 (1.930 mm x 3.708 mm)

.076 X .146
HPSI: 47
%OA: 20.7
Max Perf Width: 60