Metal-cutting tool

Drills

Twist drills with straight shank for machining of thermosetting plastics GOST 21416-75

 

 
Function:   Machining of thermosetting plastics
Body diameter:   3,0-5,0 mm
Material:   R6M5 (Р6М5), VK8 (ВК8)

 

Row of diameters complies with international standard ST SEV273-76

 

D

3,0-3,1

3,4-3,7

3,8-4,25

4,3-4,7

4,8-5,0

L

65

70

75

80

86

l

36

39

43

47

52

 

When making your order please specify the grade of work material for us to best determine the cutting part’s geometry and grinding shape.

 

Center combination drills GOST 14952-75

 

 
Function:   Machining of center holes
Body diameter:   2,0-10,0 mm
Material:   R6M5 (Р6М5)
    Type А

 

 

d

2

2,5

3,15

4

5

6,3

8

10

D

5

6,3

8

10

12,5

16

20

25

l

3,3

4,1

4,9

6,2

7,5

9,2

11,5

14,2

L

42

47

52

59

66

74

83

103

 

 

 
Function:   Machining of center holes
Body diameter:   2,0-10,0 mm
Material:   R6M5 (Р6М5)
    Type В

 

 

d

2

2,5

3,15

4

5

6,3

8

10

D

8

10

11,2

14

18

20

25

31,5

l

3,3

4,1

4,9

6,2

7,5

9,2

11,5

14,2

L

52,5

59

63

70

78

83

103

128

 

Parameters of drills comply with ISO 2544-72 and ISO 866-75 requirements.

 

Twist drills with straight shank for machining of light alloys GOST 19543-74

 

 
Function:   Machining of holes in aluminum wrought and cast alloys to the depth of 3d to 10d, peck-free for chip removing
Body diameter:   3,0-12,0 mm
Material:   R6M5 (Р6М5)

 

The row of diameters is divisible by 0,1 mm

 

D

3,0-3,3

3,4-3,7

3,8-4,7

4,8-5,3

5,4-6,0

6,1-6,7

L

65

70

80

86

93

101

l

36

39

47

52

57

63

 

 

D

6,8-7,5

7,6-8,5

8,6-9,5

9,6-10,6

10,7-11,8

11,9-12,0

L

109

117

125

133

142

151

l

69

75

81

87

94

101

 

When making your order please specify the grade of work material for us to best determine the cutting part’s geometry and grinding shape.

 

Twist drills with straight shank for hard-to-machine materials GOST 20694-75

 

 
Function:   Machining of holes in hard-to-machine materials
Body diameter:   3,0-10,0 mm
Material:   R6M5 (Р6М5)

 

We produce drills with two or four lands, normal and improved accuracy. The row of diameters is divisible by 0,1 mm.

 

D

3,0-3,3

3,4-3,7

3,8-4,2

4,3-4,7

4,8-5,3

5,4-6,0

L

50

52

55

60

62

65

l

18

20

22

24

26

28

 

 

D

6,1-6,7

6,8-7,5

7,6-8,5

8,6-9,5

9,6-10,0

L

70

75

80

85

90

l

30

34

38

40

45

 

When making your order please specify the grade of work material for us to best determine the cutting part’s geometry and grinding shape.

 

Twist drills with straight shank GOST 10902-77

 

 
Function:   Machining of structural steels, cast iron, nonferrous metals
Body diameter:   3,0-20,0 mm
Material:   R6M5 (Р6М5)
Direction of flutes:   right-hand and left-hand

 

Row of diameters complies with international standard ISO 235/1-1975
Class of accuracy – А1, В, В1

 

D

3,0

3,1-3,35

 3,4 – 3,7

 3,8 - 4,25

 4,3- 4,7

 4,8 - 5,3

5,4-6

L

61

65

70

75

80

86

93

l

33

36

39

43

47

52

57

 

 

D

6,1-6,7

6,8-7,5

7,6-8,5

8,6-9,5

9,6-10,6

10,7-11,8

11,9-13,2

L

101

109

117

125

133

142

151

l

63

69

75

81

87

94

101

 

 

D

13,3-14

14,25-15

15,25-16

16,25-17

17,25-18

18,25-19

19,25-20

L

160

169

178

184

191

198

205

l

108

114

120

125

130

135

140


Carbide-tipped twist drills with straight shank for machining of thermosetting plastics GOST 21418-75
 

 
Function:   Machining of holes in thermosetting materials
Body diameter:   5,0-12,0 mm
Material:   VK8 (ВК8)

 

Row of diameters is divisible by 0,1 mm

 

d

5,0-5,3

5,4-6,0

6,1-6,7

6,8-7,5

7,6-8,5

8,6-9,5

L

20

75

80

85

95

100

l

36

40

42

45

52

55

 


d

9,6-10,6

10,7-11,8

11,9-12,0

L

105

110

129

l

60

65

70

 

When making your order please specify the grade of work material for us to best determine the cutting part’s geometry and grinding shape.

 

Twist drills with taper shank GOST 10903-77

 

 
Function:   Machining of structural steels, cast iron, nonferrous metals
Body diameter:   6-40 mm
Material:   R6M5 (Р6М5)
    Normal and oversize shank

 

Row of diameters complies with international standard ISO 235/1-1975
Class of accuracy – А1, В, В1

 

D

6

6,2-6,6

6,8-7,5

7,6-8,5

8,8-9,5

9,8-10,5

10,8-11,8

12-13,2

L

138

144

150

156

162

168

175

182

l

57

63

69

75

81

87

94

101

Morse taper

1

1 (2)

 

 

D

13,5-14

14,25-15

15,25-16

16,25-17

17,25-18

18,25-19

19,25-20

L

189

212

218

223

228

233

238

l

108

114

120

125

130

135

140

Morse taper

1 (2)

2

2 (3)

 

 

D

20,25-21

21,25-22,25

22,5-23

23,25-23,5

23,75-25

25,25-26,5

26,75-28

L

243

248

253

276

281

286

291

l

145

150

155

155

160

165

170

Morse taper

2 (3)

2 (3)

2 (3)

3

3

3

3 (4)

 

 

D

28,25-30

30,25-31,5

31,75

32-33,5

34-35,5

35,75-37,5

38-40

L

296

301

306

334

276

281

286

l

145

150

185

185

155

160

165

Morse taper

3 (4)

3 (4)

3 (4)

4

4

4

4