Countersink Sets of 6 PCS

• Customization: Available
• Customized: Customized
• Standard: DIN, JIS, AISI
• Model NO.: metric
• Length: Jobber-length
• Type: Countersink Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Transport Package: Metal Box
• Specification: 8mm to 25mm
• Trademark: stc
• Origin: China
• HS Code: 8207509000
• Production Capacity: 3000sets/Month

Product Description

We made high speed steel M2 3 flute countersink.

Based on DIN335C 3 flute. 

Tin coating available upon request.
 

STC039, THREE FLUTES COUNTERSINKS,  Straight Shank

STC042, THREE-FLUTE CENTER REAMER, Straight Shank, American Style

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DIN335C, 90° Angle.

Included Angle: 60°, 82°, 90°, 100°

60°, 82°, 120° Point Angle available also.

Max cut diameter

Shank Diameter

Overall Length

Max cut diameeter

Shank Diameter

Overall Length

Size

Shank Diameter

Overall Length

Size

Shank Diameter

Overall Length

1/4"

1/4"

1-1/2"

3/4"

1/2"

2-5/8"

4.3

4

40

10.4

6

50

3/8"

1/4"

1-3/4"

1"

1/2"

2-3/4"

5

4

40

11.5

8

56

1/2"

3/8"

2"

1-1/4"

3/4"

3"

5.3

4

40

12.4

8

56

5/8"

3/8"

2-1/4"

1-1/2"

3/4"

3"

6

5

45

13.4

8

56

6.3

5

45

15

10

60

STC042, 5-FLUTE COUNTERSINK, Straight Shank, American Style

7

6

50

16.5

10

60

7.3

6

50

19

10

63

8

6

50

20.5

10

63

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8.3

6

50

23

10

67

9.4

6

50

25

10

67

10

6

50

31

12

71

Included Angle: 60°, 82°, 90°, 100°

Max cut diameter

Shank Diameter

Overall Length

Max cut diameter

Shank Diameter

Overall Length

STC041, THREE FLUTES COUNTERSINKS, Taper Shank

1/2"

1/2"

3-7/8"

1"

1/2"

4-3/8"

5/8"

1/2"

4"

1-1/4"

1/2"

5"

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3/4"

1/2"

4-1/8"

1-1/2"

1/2"

5-3/8"

7/8"

1/2"

4-1/4"

STC044, HSS 6-FLUTE CHATTERLESS COUNTERSINK, 

Included Angle: 60°, 90°, 120°

Size

Morse Taper

Overall Length

Size

Morse Taper

Overall Length

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15

1

85

31

2

112

16.5

1

85

34

2

117

19

2

100

37

2

118

Included Angle: 60°, 82°, 90°, 100°

20.5

2

100

40

3

140

Max cut diameter

Shank Diameter

Overall Length

Max cut diameter

Shank Diameter

Overall Length

23

2

106

50

3

150

25

2

106

63

4

180

3/16"

3/16"

1-1/2"

3/4"

1/2"

2-3/4"

26

2

106

80

4

190

1/4"

1/4"

2"

7/8"

1/2"

2-3/4"

28

2

112

100

4

200

5/16"

1/4"

2"

1"

1/2"

2-3/4"

30

2

112

3/8"

1/4"

2"

1-1/4"

3/4"

3-3/8"

1/2"

1/4"

2"

1-1/2"

3/4"

3-1/2"

STC042, SINGLE FLUTE COUNTERSINK, Straight Shank, 

5/8"

1/2"

2-3/4"

2"

1"

4-3/8"

STC045, METRIC HSS COUNTERSINKS & DEBURRING TOOLS, 

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Included Angle: 82°

Max cut diameter

Shank Diameter

Overall Length

Max cut diameter

Shank Diameter

Overall Length

Included Angle: 90°. Material: HSS, HSS-E

Cutting Range

Shank Diameter

Overall Length

Cutting Range

Shank Diameter

Overall Length

3/16"

3/16"

1-1/2"

3/4"

1/2"

2-3/4"

1/4"

1/4"

2"

7/8"

1/2"

2-3/4"

2 - 5

6

45

25 - 30

15

115

5/16"

1/4"

2"

1"

1/2"

2-3/4"

 5 - 10

6

50

30 - 35

15

125

3/8"

1/4"

2"

1-1/4"

3/4"

3"

10 - 15

10

65

35 - 40

18

135

1/2"

1/4"

2"

1-1/2"

3/4"

3-1/2"

15 - 20

12

85

40 - 50

18

165

5/8"

1/2"

2-1/4"

2"

3/4"

3-3/4"

20 - 25

15

105

Taper Shank Countersinks & Deburring tools Available also.