Mill Tapping G code Generator

        # Metric Drills change inch drills and pitch to metric and your set
        # tap size, pitch, 75% drill, 75% drill diameter, 50% drill for steel, 50% dia
        self.NF_TapM = {1:'#6-40,0.6350,M2.9,2.9,M3,3.0',
                      2:'#8-36,0.02778,#29,0.136,#26,0.147',
                      3:'#10-32,0.03125,#21,0.159,#18,0.169',
                      4:'#12-28,0.03571,#14,0.182,#10,0.1935',
                      5:'1/4-28,0.03571,#3,0.213,#1,0.228',
                      6:'5/16-24,0.04167,I,0.272,9/32,0.2812',
                      7:'3/8-24,0.4167,Q,0.332,S,0.348',
                      8:'7/16-20,0.0500,25/64,0.3906,13/32,0.4062',
                      9:'1/2-20,0.5000,29/64,0.4531,15/32,0.4688',
                     10:'9/16-18,0.5556,33/64,0.5156,17/32,0.5312',
                     11:'5/8-18,0.5556,37/64,0.5781,19/32,0.5938'}
        self.NC_TapM = {1:'#6-32,0.7937,M2.7,2.7,M2.9,2.9',
                      2:'#8-32,0.03125,#29,0.136,#27,0.144',
                      3:'#10-24,0.04167,#25,0.1495,#20,0.161',
                      4:'#12-24,0.04167,#16,0.177,#12,0.189',
                      5:'1/4-20,0.05000,#7,0.201,7/32,0.2188',
                      6:'5/16-18,0.05556,F,0.257,J,0.277',
                      7:'3/8-16,0.06250,5/16,0.3125,Q,0.332',
                      8:'7/16-14,0.07143,U,0.368,25/64,0.3906',
                      9:'1/2-13,0.07692,27/64,0.4219,29/64,0.4531',
                     10:'9/16-12,0.08333,31/64,0.4844,33/64,0.5156',
                     11:'5/8-11,0.09091,17/32,0.5312,9/16,0.5625'}
        self.M_TapM = {1:'M3.5-0.6,0.6000,M2.9,2.9,M3.0,3.0',
                      2:'M4-0.7,0.02756,#30,0.1285,#28,0.1405',
                      3:'M5-0.8,0.03150,#19,0.166,#16,0.177',
                      4:'M6-1.0,0.03937,#8,0.199,#4,0.209',
                      5:'M8-1.25,0.04921,H,0.266,J,0.277',
                      6:'M10-1.5,0.05906,R,0.339,T,0.358',
                      7:'M12-1.75,0.06890,13/32,0.4062,27/64,0.4219',
                      8:'M14-2.0,0.07874,15/32,0.4688,1/2,0.500',
                      9:'M16-2.0,0.07874,35/64,0.5469,37/64,0.5781'}