Harbor Freight Tools 33684 Gear Settings for Various Thread Sizes, Threads Stud Gear Box Per Inch

Models: 33684

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Gear Settings for Various Thread Sizes

Threads

 

Stud Gear Box

 

Per Inch

A

B

C

 

D

12

40

 

 

 

30

13

40

65

60

 

30

14

40

 

 

 

35

16

40

 

 

 

40

18

40

 

 

 

45

19

40

50

60

 

57

20

40

 

 

 

50

22

40

 

 

 

55

24

40

 

 

 

60

26

40

 

 

 

65

28

20

 

 

 

35

32

20

 

 

 

40

36

20

 

 

 

45

Threads

 

 

Stud Gear Box

 

 

 

 

 

 

 

 

 

Per Inch

A

B

C

D

38

20

50

60

 

57

 

40

20

 

 

 

50

 

44

20

 

 

 

55

 

48

20

 

 

 

60

 

52

20

 

 

 

65

 

56

20

35

30

 

60

 

64

20

40

20

 

40

 

72

20

45

20

 

40

 

76

20

50

30

 

57

 

80

20

50

20

 

40

 

88

20

55

20

 

40

 

96

20

60

20

 

40

 

104

20

65

20

 

40

 

Example: To cut 12 threads per inch (see illustration below), use 40T in position A, 30T in position D, and put any other gear is position B to connect A and D.

A

B

D

A

B

D

A

B C

A

C B

D

D

Example: To cut 38 threads per inch (see illustration above), use 20T in position A, 57T in position D, 50T in position B, and 60T in position C.

SKU #33684

Page 11

Page 11
Image 11
Harbor Freight Tools 33684 operating instructions Gear Settings for Various Thread Sizes, Threads Stud Gear Box Per Inch