Appendix B Specifications
130
Specification Inch Millimeter Dimension
in Figure
Pin hole center to
folding perforation 1/6, 1/4,
1/3, or 1/2 4.2, 6.4, 8.5,
12.7 A
Hole center line to
edge of form 0.236
±0.028 6.0 ±0.1 B
Hole diameter 0.156
±0.004 4.0 ±0.1 N/A
Distance between
centers of two
consecutive holes
0.500
±0.002 12.7 ±0.05 C
Max. deviation of
holes from their
center line
0.004 0.1 D
Max. deviation Left
Hand hole to
companion Right
Hand hole (Center
Line to Center
Line)
0.006 0.15 E
Max. parallel
deviation Left Hand
hole Center Line to
Right Hand hole
Center Line
0.006 0.15 N/A