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M2.5 module
Metal gear Pressure angle 20∘
GS: CheNa also provides SUS303 material, in a high humidity environment can
           have a good antirust .
GE:Standard gear (Rack) did not do heat treatment, if required heat treatment
           can be specified H series.
GH:Tooth surfaces make high frequency treatment, hardness of 43 to 45 degrees,
           strength and wear resistance would be better.
           SUS have no finish, just provide material [GS].

Material

Accuracy class

Teeth finish

SUS303

JIS 4
(DIN8e25)

Milling

S45C Carbon steel

S45C Carbon steel
+
Heat Treatment

Video  3D view Specification of product PDF
  
[ Select material and surface treatment ]
    
 M2.5–
    
    
  [ B shape can specify D path change ]
※ Please refer to the specification preview for detailed dimensions .
 2D drawing download  3D drawing download
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How to order

 

 

 

 

 

unit:mm

Number of teeth

Modulus

Tooth surface width
A

Shape

Hole shape

Mini. aperture
d

D

Number of teeth

Dp

Do

15

M2.5

19
22.2
25.4

A
(Only H hole shape)
Machinable keyway




B

 

8~

30

15

37.5

42.5

16

32

16

40

45

17

35

17

42.5

47.5

18

38

18

45

50

19

40

19

47.5

52.5

20

42

20

50

55

21

42

21

52.5

57.5

22

46

22

55

60

23

48

23

57.5

62.5

24

50

24

60

65

25

55

25

62.5

67.5

26

55

26

65

70

27

60

27

67.5

72.5

28

60

28

70

75

29

65

29

72.5

77.5

30

65

30

75

80

31

70

31

77.5

82.5

32

70

32

80

85

33

10~

75

33

82.5

87.5

34

75

34

85

90

35

78

35

87.5

92.5

36

80

36

90

95

37

80

37

92.5

97.5

38

85

38

95

100

39

85

39

97.5

102.5

40

90

40

100

105

41

90

41

102.5

107.5

42

95

42

105

110

43

95

43

107.5

112.5

44

98

44

110

115

45

100

45

112.5

117.5

46

100

46

115

120

47

100

47

117.5

122.5

48

100

48

120

125

49

110

49

122.5

127.5

50

110

50

125

130

※D diameter size can be changed according to design.