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N550 Internal R Knife Serie

The N550 internal R knife series is suitable for die steel, pre-hardened steel, cast iron, and impervious steel.
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The N550 internal R knife series is suitable for die steel, pre-hardened steel, cast iron, and impervious steel.

Outer Diameter (D)

Internal R

Full Length (L)

Number of Blades (F)

N550 for Steel

4.0

Internal

R0.5

50

2/4

31

4.0

Internal

R0.75

50

2/4

31

4.0

Internal

R1

50

2/4

31

6.0

Internal

R1

50

2/4

52

6.0

Internal

R1.5

50

2/4

52

6.0

Internal

R2

50

2/4

52

8.0

Internal

R2.5

50

2/4

79

8.0

Internal

R3

50

2/4

79

10.0

Internal

R4

60

2/4

115

12.0

Internal

R5

60

2/4

154

14.0

Internal

R6

75

2/4

233

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Dongguan Yixin Cutting Tools Co.,Ltd.
Tel/Whatsapp/Wechat:
+86-13712007914
Opening Hours:
Mon. - Sun. 6:00 - 24:00
About Us
Dongguan Yixin Cutting Tools Co.,Ltd. is a carbide end mill, inserts and end mill holder supplier with over 12 years of production experience. Our factory occupies more than 5,000 m2, has over 110 machines and  100 skilled employees. We primarily produce items for mid-to-high-end brands, and our factory's monthly production capacity is 200,000 pcs.
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