(Part B) Machinerys Handbook 31st Edition Pages 1484-2979

Feeds for Thread Rolling

Number of Threads per Inch

Root Diam. of Blank

72

64

56

48

44

40

36

32

28

24

22

20

18

14

Cross-slide Holders—Feed per Revolution in Inches

0.0045 0.0050 0.0055 0.0060 0.0065 0.0070 0.0075 0.0080 0.0085 0.0090 0.0095 0.0025 0.0028 0.0030 0.0035 0.0040 0.0045 0.0048 0.0050 0.0055 0.0058 0.0060

0.0040 0.0045 0.0050 0.0055 0.0060 0.0065 0.0070 0.0075 0.0080 0.0085 0.0090 0.0020 0.0025 0.0030 0.0035 0.0040 0.0045 0.0048 0.0050 0.0052 0.0055 0.0058

0.0035 0.0040 0.0045 0.0050 0.0055 0.0060 0.0065 0.0070 0.0075 0.0080 0.0085 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040 0.0045 0.0048 0.0050 0.0052 0.0054

0.0030 0.0035 0.0040 0.0045 0.0050 0.0055 0.0060 0.0065 0.0070 0.0075 0.0080 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040 0.0043 0.0045 0.0048 0.0050

0.0025 0.0030 0.0035 0.0040 0.0045 0.0050 0.0055 0.0060 0.0065 0.0070 0.0075 0.0005 0.0008 0.0010 0.0015 0.0020 0.0030 0.0035 0.0040 0.0043 0.0045 0.0048

0.0020 0.0025 0.0030 0.0035 0.0040 0.0045 0.0050 0.0055 0.0060 0.0065 0.0070

0.0015 0.0020 0.0025 0.0030 0.0035 0.0040 0.0045 0.0050 0.0055 0.0060 0.0065

0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040 0.0045 0.0050 0.0055 0.0060

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..... .....

..... .....

..... ..... .....

..... ..... .....

..... ..... ..... .....

1 ∕ 8

0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040 0.0045 0.0050

3 ∕ 16

0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040 0.0045

0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040 0.0045

1 ∕ 4

0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040

0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040

5 ∕ 16

0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035

3 ∕ 8

7 ∕ 16

1 ∕ 2 5 ∕ 8 3 ∕ 4 7 ∕ 8

1

Root Diam.

Swing Holders—Feed per Revolution in Inches

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..... .....

..... .....

..... .....

..... ..... .....

..... ..... ..... .....

..... ..... ..... .....

..... ..... ..... .....

..... ..... ..... ..... ..... .....

1 ∕ 8

0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040 0.0043 0.0047

3 ∕ 16

0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0040 0.0043

0.0005 0.0010 0.0015 0.0020 0.0025 0.0030 0.0035 0.0038 0.0040

0.0005 0.0010 0.0015 0.0020 0.0025 0.0028 0.0030 0.0032 0.0035

1 ∕ 4

0.0005 0.0010 0.0015 0.0020 0.0025 0.0028 0.0030 0.0032

5 ∕ 16

0.0005 0.0010 0.0015 0.0020 0.0025 0.0028 0.0030

0.0005 0.0010 0.0015 0.0020 0.0022 0.0025 0.0028

0.0005 0.0010 0.0015 0.0018 0.0020 0.0022 0.0025

3 ∕ 8

7 ∕ 16

0.0005 0.0010 0.0013 0.0015 0.0018

1 ∕ 2 5 ∕ 8 3 ∕ 4 7 ∕ 8

1

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