CNC Programming Handbook: A Comprehensive Guide to Practical CNC Programming, Second Edition

By Peter Smid

Appendix A: Reference Tables

Decimal Equivalents

The following chart lists fractional, wire gauge (number), letter and metric (mm) values for given decimal equivalents in inches.

Decimal inch	Fraction	Number / Letter	Metric (mm)
.0059		97	0.15
.0063		96	0.16
.0067		95	0.17
.0071		94	0.18
.0075		93	0.19
.0079		92	0.20
.0083		91	0.21
.0087		90	0.22
.0091		89	0.23
.0095		88	0.24
.0100		87	0.25
.0105		86
.0110		85	0.28
.0115		84
.0118			0.30
.0120		83
.0125		82
.0126			0.32
.0130		81
.0135		80
.0138			0.35
.0145		79
.0150			0.38
.0156	1/64
.0157			0.40
.0160		78
.0177			0.45
.0180		77
.0197			0.50
.0200		76
.0210		75
.0217			0.55
.0225		74
.0236			0.60
.0240		73
.0250		72
.0256			0.65
.0260		71
.0276			0.70
.0280		70
.0292		69
.0295			0.75
.0310		68
.0313	1/32
.0315			0.80
.0320		67
.0330		66
.0335			0.85
.0350		65
.0354			0.90
.0360		64
.0370		63
.0374			0.95
.0380		62
.0390		61
.0394

< Previous Excerpt

Purchase This Book