Djibouti Tungsten steel drill bit (internal coolant)

● Solid carbide substrate, with high-performance coating technology, can greatly improve production efficiency; ● Unique edge treatment technology, strengthen the edge strength, improve the wear resistance and stability of the tool.

Product Description

Type No. Diameter Flute length Overall length Shank Dia Flutes
D Lc L d F

NHKC030

3

30

70

4

2

NHKC031

3.1

30

70

4

2

NHKC032

3.2

30

70

4

2

NHKC033

3.3

30

70

4

2

NHKC034

3.4

35.5

75

4

2

NHKC035

3.5

35.5

75

4

2

NHKC036

3.6

35.5

75

4

2

NHKC037

3.7

35.5

75

4

2

NHKC038

3.8

42

83

4

2

NHKC039

3.9

42

83

4

2

NHKC040

4

42

83

4

2

NHKC041

4.1

50

90

6

2

NHKC042

4.2

50

90

6

2

NHKC043

4.3

50

90

6

2

NHKC044

4.4

50

90

6

2

NHKC045

4.5

50

90

6

2

NHKC046

4.6

50

90

6

2

NHKC047

4.7

50

90

6

2

NHKC048

4.8

50

90

6

2

NHKC049

4.9

50

90

6

2

NHKC050

5

50

90

6

2

NHKC051

5.1

57

97

6

2

NHKC052

5.2

57

97

6

2

NHKC053

5.3

57

97

6

2

NHKC054

5.4

57

97

6

2

NHKC055

5.5

57

97

6

2

NHKC056

5.6

57

97

6

2

NHKC057

5.7

57

97

6

2

NHKC058

5.8

57

97

6

2

NHKC059

5.9

57

97

6

2

NHKC060

6

57

97

6

2

NHKC061

6.1

66

106

8

2

NHKC062

6.2

66

106

8

2

NHKC063

6.3

66

106

8

2

NHKC064

6.4

66

106

8

2

NHKC065

6.5

66

106

8

2

NHKC066

6.6

66

106

8

2

NHKC067

6.7

66

106

8

2

NHKC068

6.8

66

106

8

2

NHKC069

6.9

76

116

8

2

NHKC070

7

76

116

8

2

NHKC071

7.1

76

116

8

2

NHKC072

7.2

76

116

8

2

NHKC073

7.3

76

116

8

2

NHKC074

7.4

76

116

8

2

NHKC075

7.5

76

116

8

2

NHKC076

7.6

76

116

8

2

NHKC077

7.7

76

116

8

2

NHKC078

7.8

76

116

8

2

NHKC079

7.9

76

116

8

2

 

Cast iron,Carbon steel Alloy steel,Tool steel Tempered steel
Prehardened steel
Heat-treated steel Heat-treated steel Stainless steel Aluminum alloy Titanium alloy Copper alloy

(~22HRC)

(25~35HRC)

(35~45HRC)

(45~55HRC)

(55~65HRC)

(~30HRC)

(~150HB)

(~32HRC)

C11000

S50C/HT250/Q235

P20/H13/D2

NAK80/718H/FDAC

SKD61/1.2343ESR

SKD11/SKH51

SUS304/316/316L

5052/6061/7075

Ti-6Al-4V

B152C11000

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