Page 719 - Master Catalog 2017, Inch

Technical Information
Threading Infeed Tables

UN Thread, External Thread Cutting

TPI 24 20 18 16 14 12 11 10 9 8 7 6 5
T Ap (in) 0.026 0.031 0.034 0.038 0.036 0.042 0.048 0.060 0.072 0.085 0.097 0.109 0.121
N Ap 5 6 6 7 9 9 10 11 12 13 14 15 16

values for fl ank infeed (X/Z)
order
of passes X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z
1 0.0071 0.0076 0.0083 0.0085 0.0070 0.0081 0.0088 0.0104 0.0119 0.0134 0.0147 0.0160 0.0171
2 0.0059 0.0063 0.0069 0.0070 0.0058 0.0067 0.0072 0.0086 0.0098 0.0111 0.0122 0.0132 0.0141
3 0.0054 0.0057 0.0063 0.0064 0.0053 0.0062 0.0066 0.0079 0.0090 0.0102 0.0111 0.0121 0.0129
4 0.0041 0.0044 0.0048 0.0049 0.0040 0.0047 0.0051 0.0060 0.0069 0.0078 0.0086 0.0093 0.0099
5 0.0035 0.0037 0.0041 0.0042 0.0034 0.0040 0.0043 0.0051 0.0058 0.0066 0.0072 0.0078 0.0084
6 0.0033 0.0036 0.0037 0.0030 0.0035 0.0038 0.0045 0.0051 0.0058 0.0064 0.0069 0.0074
7 0.0033 0.0027 0.0032 0.0034 0.0040 0.0046 0.0052 0.0057 0.0062 0.0067
8 0.0025 0.0029 0.0031 0.0037 0.0043 0.0048 0.0053 0.0057 0.0061
9 0.0023 0.0027 0.0029 0.0035 0.0040 0.0045 0.0049 0.0053 0.0057
10 0.0027 0.0033 0.0037 0.0042 0.0046 0.0050 0.0054
11 0.0031 0.0035 0.0040 0.0044 0.0047 0.0051
12 0.0034 0.0038 0.0042 0.0045 0.0048
13 0.0036 0.0040 0.0043 0.0046
14 0.0038 0.0041 0.0044
15 0.0040 0.0043
16 0.0041
T Ap (in) 0.026 0.031 0.034 0.038 0.036 0.042 0.048 0.060 0.072 0.085 0.097 0.109 0.121
NOTE: Always allow .003–.005" extra stock for full profi le inserts.
UN Thread, Internal Thread Cutting
TPI 24 20 18 16 14 12 11 10 9 8 7 6 5
T Ap .023 .027 .030 .034 .039 .045 .049 .054 .060 .068 .077 .090 .108
N Ap 5 6 6 7 8 9 9 10 11 12 13 14 15
values for fl ank infeed (X/Z)
order
of passes X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z X/Z
1 0.0063 0.0066 0.0073 0.0076 0.0081 0.0087 0.0095 0.0099 0.0104 0.0112 0.0122 0.0137 0.0158
2 0.0052 0.0055 0.0061 0.0063 0.0067 0.0072 0.0078 0.0081 0.0086 0.0093 0.0101 0.0113 0.0131
3 0.0048 0.0050 0.0056 0.0057 0.0061 0.0066 0.0072 0.0075 0.0079 0.0085 0.0092 0.0103 0.0120
4 0.0037 0.0038 0.0043 0.0044 0.0047 0.0051 0.0055 0.0057 0.0060 0.0065 0.0071 0.0079 0.0092
5 0.0031 0.0032 0.0036 0.0037 0.0039 0.0043 0.0046 0.0048 0.0051 0.0055 0.0060 0.0067 0.0077
6 0.0029 0.0032 0.0033 0.0035 0.0038 0.0041 0.0042 0.0045 0.0048 0.0052 0.0059 0.0068
7 0.0030 0.0031 0.0034 0.0037 0.0038 0.0040 0.0044 0.0047 0.0053 0.0062
8 0.0029 0.0031 0.0034 0.0035 0.0037 0.0040 0.0044 0.0049 0.0057
9 0.0029 0.0032 0.0033 0.0035 0.0037 0.0041 0.0046 0.0053
10 0.0031 0.0033 0.0035 0.0038 0.0043 0.0050
11 0.0031 0.0033 0.0036 0.0041 0.0047
12 0.0032 0.0034 0.0039 0.0045
13 0.0033 0.0037 0.0043
14 0.0031 0.0035 0.0041
15 0.0039
16
T Ap 0.023 0.027 0.030 0.034 0.039 0.045 0.049 0.054 0.060 0.068 0.080 0.090 0.108
NOTE: Always allow .003–.005" extra stock for full profi le inserts.

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