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M4 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
  
[ Material & Finish chosen ]
      
 M4
 
     
     
 [ B Type can assignable D ] 
 2D drawing download  3D drawing download
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 How to order?
How to order

 

 

 

 

 

 

 

Number of teeth

Modulus

Tooth width

Wheel shape

Hole shape

Minimum aperture

Wheel hub

Pitch diameter

Tooth top

W-shaped slug processing

A

d

D

Dp

Do

Dp

Do

12

M4

38.1

44.5

B








W

(Slug processing)

 

 

 

 

 

 

 

10

35

48

56

 

 

13

 

H

Round hole

 

 

38

52

60

 

 

14

 

 

 

40

56

64

 

 

15

 

 

45

60

68

 

 

16

 

 

15

50

64

72

 

 

17

 

 

53

68

76

 

 

18

 

 

55

72

80

 

 

19

 

 

60

76

84

 

 

20

 

 

 

 

 

 

 

65

80

88

 

 

21

 

P

Round hole +120 ∘tapping

 

69

84

92

 

 

22

 

 

 

73

88

96

 

 

23

 

 

20

77

92

100

 

 

24

 

 

80

96

104

 

 

25

 

 

84

100

108

 

 

26

 

 

87

104

112

27

 

 

90

108

116

 

 

28

 

 

95

112

120

 

 

29

 

Shaft aperture

Tapping

 

116

124

 

 

30

 

6~12

M4

 

100

120

128

 

 

32

 

13~17

M5

 

128

136

 

 

34

 

18~30

M6

 

136

144

 

 

35

 

31~44

M8

 

140

148

 

 

36

 

45~65

M10

 

144

152

 

 

38

 

KP : Specify a 90 degree tap

 

152

160

 

 

40

 

 

 

 

 

 

 

160

168

 

 

42

 

N

Keyway + tapping

 

168

176

 

 

44

 

New JIS_B_1301

 

176

184

 

 

45

 

 

 

180

188

 

 

46

 

 

184

192

 

 

48

 

 

192

200

154

S=Ax0.6

50

 

 

25

200

208

160

52

 

 

208

216

166

54

 

 

216

224

173

55

 

Shaft aperture

Kw(js9)

Kh

 

220

228

176

56

 

8~10

3

1.4

 

224

232

179

58

 

11~12

4

1.8

 

110

232

240

186

60

 

13~17

5

2.3

 

240

248

192

62

 

18~22

6

2.8

 

248

256

198

64

 

23~30

8

3.3

 

256

264

205

65

 

31~38

10

3.3

 

260

268

208

66

 

39~44

12

3.3

 

120

264

272

211

68

 

45~50

14

3.8

 

272

280

218

70

 

KN : Specify a 90 degree tap

 

280

288

224

80

 

 

 

 

 

 

 

320

328

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