GUHRING Centering/Countersink（Coating Type：TiN）

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Straight Shank, Countersink 3-Flute 90° 327

GUHRING

Has 3 cutting edges for excellent cutting balance, enabling highly circular, stable chamfering and deburring with little chatter. Long product life with TiN coating.

Volume Discount

Starting from^∗ ：	38.95 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Straight Shank, Countersink 3-Flute, 90° (Set of 327) 499

GUHRING

[Features]
· 6-piece set of 327.
· Steel case provided.

Starting from^∗ ：	337.19 €
Min. Shipping Days ：	24 Days

*Unit price with basic configuration

Tapered Shank Countersink, 3-Flute 90° 328

GUHRING

Has 3 cutting edges for excellent cutting balance, enabling highly circular, stable chamfering and deburring with little chatter. Long product life with TiN coating.

Starting from^∗ ：	137.49 €
Min. Shipping Days ：	24 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days ：
Application
Tip angle (θ)
Tool Diameter (D)(mm)
work material
Single blade, two blades
Peripheral Blade Y/N
Tool Material Type
Coating Y/N
Coating Type
R Size (R)(mm)


Brand	GUHRING	GUHRING	GUHRING
Product Series	Straight Shank, Countersink 3-Flute 90° 327	Straight Shank, Countersink 3-Flute, 90° (Set of 327) 499	Tapered Shank Countersink, 3-Flute 90° 328
Starting from^∗	38.95 € *Unit price with basic configuration Volume Discount	337.19 € *Unit price with basic configuration	137.49 € *Unit price with basic configuration
Min. Shipping Days ：	6 Days	24 Days	24 Days
Application	Hole Chamfer	-	Hole Chamfer
Tip angle (θ)	90	90	90
Tool Diameter (D)(mm)	5 ～ 31	6.30/8.30/10.40/12.40/16.50/20.50	25 ～ 50
work material	General Steel[○] / Quenched and tempered steel[○] / High Hardness Steel[○] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○]	General Steel[○] / Quenched and tempered steel[○] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○]	General Steel[○] / Quenched and tempered steel[○] / High Hardness Steel[○] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○]
Single blade, two blades	Single blade	Single blade	Single blade
Peripheral Blade Y/N	-	-	-
Tool Material Type	High-speed steel	High-speed steel	High-speed steel
Coating Y/N	Available	Available	Available
Coating Type	TiN	TiN	TiN
R Size (R)(mm)	-	-	-

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Application
- Centering (Positioning)
- Hole Chamfer
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- V Groove
- Drilling
- Other
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Tip angle (θ)
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30

45

60

60°

60 × 120

80

90

90°

118

120

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125°
Drawing

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Tool Diameter (D)(mm)
0.03

0.04

0.05

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0.07

0.08

0.09

0.1

0.11

0.12

0.13

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0.19

0.2

0.21

0.22

0.23

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0.3

0.35

0.4

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0.5

0.55

0.6

0.65

0.7

0.75

0.8

0.85

0.9

0.95

1

1.1

1.2

1.25

1.3

1.4

1.5

1.6

1.6～3.35

1.7

1.8

1.9

2.

2

2.1

2.2

2.3

2.4

2.5

2.5～5.3

2.6

2.7

2.8

2.9

3

3.1

3.15

3.2

3.5

3.8

4

4.3

5

5.3

5.8

6

6.3

6.3,8.3,10.4,12.4,16.5,20.5

6.30/8.30/10.40/12.40/16.50/20.50

6.3/8.3/10.4/12.4/16.5/20.5

6.35

7

7.3

7.7

8

8.3

9

9.4

9.52

10

10.4

11

11.2

11.5

12

12.4

12.5

12.7

13

13.4

14

14.4

15

15.87

16

16.5

18

18.5

19

19.05

20

20.5

21

22

22.5

23

25

25.0(+0.3)

25.4

26

27

28

30

31

31.5

32

34

35

36

37

40

45

46

50

55

60

63

65

70

75

80

90

95

100
Drawing

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work material
- General Steel
- Quenched and tempered steel
- High Hardness Steel
- Stainless Steel
- Cast Iron
- Aluminum
- Titanium
- Copper
- Graphite
- Resin
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Single blade, two blades
- Single blade
- Double-edged
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Peripheral Blade Y/N
- Available
- N/A
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Tool Material Type
- High-speed steel
- Cobalt HSS
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Coating Y/N
- Available
- N/A
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Coating Type
- TiAlN
- TiCN
- TiN
- DLC
- Non-Coated
- Other
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R Size (R)(mm)
8
Drawing

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