Long Neck Radius End Mills (Carbide)（Coating：For High Hardness (Silicon Group)）

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MHRH430R MUGEN COATING Premium 4-Flute Long Neck Radius End Mill For Hardened Steels

NS TOOL

Superior surface finish with excellent chipping prevention and reduced chattering due to the use of MUGEN coating for hardened steels and a new shape

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Starting from^∗ ：	53.49 €
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Min. Shipping Days ：	Same day

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HLRS2000 HM Coated 2 Flute Long-Neck Radius

UNION TOOL

[Features]
· Long neck radius shape that exhibits power in high-performance and high-quality machining
· Capable of cutting everything from raw materials to high-hardness materials
· Capable of stable, long-life machining for both dry and wet type

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Starting from^∗ ：	43.45 €
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HLRS 4-Flute Long-Neck Radius

UNION TOOL

[Features]
· Long neck radius shape that exhibits power in high-performance and high-quality machining
· Rigidity-oriented blade shape provides long life even when machining high hardness materials
· Capable of stable machining for both dry and wet type
· New HARDMAX coating adopted to improve oxidation resistance.

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Starting from^∗ ：	55.58 €
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HRRS, HM Coated 4-Flute Radius

UNION TOOL

[Features]
· Higher speed and higher precision machining enabled by shortening the total length and reducing the protruding part of the tool
· The optimized corner radius size enables processing with larger feed than conventional
· Seamless Corner Radius Shape
· High hardness materials up to 65 HRC can also be machined

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Starting from^∗ ：	76.38 €
Min. Shipping Days ：	6 Days

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HLRS2000E High Accuracy Type, High R Precision Long-Neck Radius

UNION TOOL

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Starting from^∗ ：	60.34 €
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CRS40HSP High Efficiency 3-Flute Long Neck Radius 40° Twist

UNION TOOL

[Features]
· High Efficiency 3-Flute Long Neck Radius (Short Blade)
· 40° Torsion
· Supports materials from SUS to pre-hardened and hardened steel (60 HRC)

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Starting from^∗ ：	70.40 €
Min. Shipping Days ：	9 Days

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TSC series carbide long neck radius end mill, 2-flute, long neck model

MISUMI

Long neck radius that can be used as a ball and allows a large pick feed

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TS
General Steel
2 Flutes

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Min. Shipping Days ：	5 Days

TSC series carbide long neck radius end mill, 2-flute, 45° spiral / long neck model

MISUMI

[Features]
-Multi-functional long neck radius with high feed rate and excellent durability
-It has a coating with high oxidation resistance and high hardness, and achieves long service life. Effective in high-speed machining and dry machining as coating properties
-Can be reground. Please refer to the "Regrinding Service" page for application procedures, range of services, prices, etc.

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TS
General Steel
3 Flutes

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Min. Shipping Days ：	5 Days

TSC series carbide long neck radius end mill, 4-flute / long neck model

MISUMI

[Features]
-Radius (R)-accuracy of ±5 µm (compared to manufacturer's measurements) enables high-precision milling of deep cavities
-By adopting 4-spiral shape, it is possible to work with high feed setting compared to 2-spiral shape
-Can be reground. Please refer to the "Regrinding Service" page for information on application procedures, range of services, prices, etc.

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TS
General Steel
4 Flutes

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Min. Shipping Days ：	5 Days

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Carbide End Mill WX Super Coating (High Precision Bull Nose) WXS-CPR

OSG

High-precision bull nose (radius) end mill for shape machining of mold. Performs also high-speed cutting of hardened steel due to WXS coating with excellent heat resistance.

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Starting from^∗ ：	72.80 €
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Phoenix Pencil Neck Deep Feeders Radius, PHX-PC-DFR

OSG

Radius cutter with pencil neck, which enables highly efficient machining of deep parts prone to chattering and hard-to-cut materials.

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Starting from^∗ ：	85.23 €
Min. Shipping Days ：	6 Days

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Long Neck Deep Feeders Radius, PHX-LN-DFR

OSG

It enables highly efficient machining of deep parts that tend to chatter and of materials that are difficult to machine. Radius cutter with long neck.

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Starting from^∗ ：	83.42 €
Min. Shipping Days ：	6 Days

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MHDH445R 4-Flute Radius-End Mill for High-Hardness

NS TOOL

Achieves stable long life in extended periods of machining in high-hardness range (48-65 HRC)

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Starting from^∗ ：	131.76 €
Min. Shipping Days ：	6 Days

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MHRH230R MUGEN-COATING PREMIUM 2-Flute Long Neck Radius End Mill for Hardened Steels

NS TOOL

The Infinity Coating Premium for high hardness materials and new shape provide excellent chipping resistance, and chattering is suppressed to improve the finished surface

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Starting from^∗ ：	53.16 €
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CRS20HSP High Efficiency 4-Flute Long Neck Radius 20° Twist

UNION TOOL

[Features]
· High-rigidity 4-flute radius 8 (for high-hardness materials). 20° torsion.

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Starting from^∗ ：	48.20 €
Min. Shipping Days ：	9 Days

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Power Radius End Mill MSXH440R

NS TOOL

Adopts powered-up unequal leads and large unequal divisions to suppress chatter and realize stable machining

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Starting from^∗ ：	72.61 €
Min. Shipping Days ：	6 Days

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MHDH645R 6-Flute Radius-End Mill for High-Hardness

NS TOOL

Achieves stable long life in extended periods of machining in high-hardness range (48-65 HRC)

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Starting from^∗ ：	114.04 €
Min. Shipping Days ：	6 Days

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Carbide End Mill Phoenix Long Neck Tough Radius PHX-LN-CRE

OSG

4-cutter radius cutter with long neck, suitable for rib machining.

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Starting from^∗ ：	84.40 €
Min. Shipping Days ：	6 Days

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HRRS 6-Flute Long Neck Radius

UNION TOOL

[Features]
· A long neck radius end mill; ideal for machining high hardness materials.
· 6-flute type; designed with an emphasis on rigidity.

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Starting from^∗ ：	116.34 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days
Specifications
Blade diameter (D)(φ)
R Size(mm)
work material
Blade length (ℓ)(mm)
Number of flutes(sheet)
Type
Overall Length (L)(mm)
Shank diameter (d)(mm)
Underneck length (ℓ1)(mm)
Machining Application
Coating
Torsion Angle (θ)
R Precision(μm)

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Brand	NS TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	MISUMI	MISUMI	MISUMI	OSG	OSG	OSG	NS TOOL	NS TOOL	UNION TOOL	NS TOOL	NS TOOL	OSG	UNION TOOL
Product Series	MHRH430R MUGEN COATING Premium 4-Flute Long Neck Radius End Mill For Hardened Steels	HLRS2000 HM Coated 2 Flute Long-Neck Radius	HLRS 4-Flute Long-Neck Radius	HRRS, HM Coated 4-Flute Radius	HLRS2000E High Accuracy Type, High R Precision Long-Neck Radius	CRS40HSP High Efficiency 3-Flute Long Neck Radius 40° Twist	TSC series carbide long neck radius end mill, 2-flute, long neck model	TSC series carbide long neck radius end mill, 2-flute, 45° spiral / long neck model	TSC series carbide long neck radius end mill, 4-flute / long neck model	Carbide End Mill WX Super Coating (High Precision Bull Nose) WXS-CPR	Phoenix Pencil Neck Deep Feeders Radius, PHX-PC-DFR	Long Neck Deep Feeders Radius, PHX-LN-DFR	MHDH445R 4-Flute Radius-End Mill for High-Hardness	MHRH230R MUGEN-COATING PREMIUM 2-Flute Long Neck Radius End Mill for Hardened Steels	CRS20HSP High Efficiency 4-Flute Long Neck Radius 20° Twist	Power Radius End Mill MSXH440R	MHDH645R 6-Flute Radius-End Mill for High-Hardness	Carbide End Mill Phoenix Long Neck Tough Radius PHX-LN-CRE	HRRS 6-Flute Long Neck Radius
Starting from^∗	53.49 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	43.45 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	55.58 € Special price *Unit price with basic configuration Promotional pricing	76.38 € *Unit price with basic configuration	60.34 € Special price *Unit price with basic configuration Promotional pricing	70.40 € *Unit price with basic configuration	- Volume Discount	- Volume Discount	- Volume Discount	72.80 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	85.23 € *Unit price with basic configuration Volume Discount	83.42 € *Unit price with basic configuration	131.76 € *Unit price with basic configuration Volume Discount	53.16 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	48.20 € *Unit price with basic configuration	72.61 € *Unit price with basic configuration Volume Discount	114.04 € *Unit price with basic configuration Volume Discount	84.40 € *Unit price with basic configuration Volume Discount	116.34 € *Unit price with basic configuration
Min. Shipping Days	Same day	Same day	Same day	6 Days	Same day	9 Days	5 Days	5 Days	5 Days	Same day	6 Days	6 Days	6 Days	Same day	9 Days	6 Days	6 Days	6 Days	6 Days
Specifications	Stock						TS General Steel 2 Flutes	TS General Steel 3 Flutes	TS General Steel 4 Flutes
Blade diameter (D)(φ)	1 ～ 6	0.4 ～ 6	0.8 ～ 6	2 ～ 12	0.2 ～ 6	3 ～ 12	0.2 ～ 6	1 ～ 4	1 ～ 6	0.4 ～ 4	2 ～ 12	4 ～ 16	3 ～ 4	0.2 ～ 0.9	2　～ 12	3 ～ 12	5 ～ 12	0.8 ～ 3	-
R Size(mm)	0.05 ～ 1	0.05 ～ 1	0.05 ～ 1	0.3 ～ 4	0.05 ～ 1	0.1 ～ 0.5	0.05 ～ 1	0.2 ～ 1	0.05 ～ 1	0.05 ～ 0.5	0.5 ～ 2	1 ～ 3	0.2 ～ 0.5	0.05 ～ 0.2	0.2 ～ 1.2	0.3 ～ 3	0.2 ～ 2	0.1 ～ 0.5	-
work material	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[◎] / Stainless Steel[○] / Aluminum[○] / Titanium[◎] / Copper[○] / Resin[○]	General Steel[○] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[○] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[◎]	General Steel[○] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[○] / Cast Iron[○] / Copper[○]	Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[○] / Cast Iron[○]	General Steel[○] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[○] / Stainless Steel[○] / Cast Iron[○] / Copper[◎]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[○] / High Hardness Steel: to HRC60[○] / Stainless Steel[◎] / Cast Iron[◎] / Graphite[○] / Resin[○]	General Steel[◎] / Quenched and tempered steel[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[○] / High Hardness Steel: to HRC60[○] / Stainless Steel[○/◎] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[○] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○] / Copper[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[◎] / Stainless Steel[◎]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[○] / Stainless Steel[○] / Cast Iron[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[○] / Stainless Steel[○] / Cast Iron[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[◎] / Stainless Steel[◎] / Aluminum[○] / Titanium[◎] / Copper[○] / Resin[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[◎] / Stainless Steel[◎] / Aluminum[○] / Titanium[◎] / Copper[○] / Resin[○]	General Steel[○] / Quenched and tempered steel[○] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / Cast Iron[◎]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[◎] / Stainless Steel[◎] / Aluminum[○] / Titanium[◎] / Copper[○] / Resin[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[◎] / Stainless Steel[◎] / Aluminum[○] / Titanium[◎] / Copper[○] / Resin[○]	General Steel[○] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[○]	General Steel[○] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[○] / Cast Iron[○] / Titanium[○] / Copper[○]
Blade length (ℓ)(mm)	0.8 ～ 5	0.4 ～ 6	0.48 ～ 4.8	2 ～ 12	0.2 ～ 6	4 ～ 15	0.16 ～ 12	0.8 ～ 3.2	1.5 ～ 12	0.3 ～ 4	3 ～ 18	6 ～ 24	6 ～ 8	0.15 ～ 0.7	2.5 ～ 15	8 ～ 26	10 ～ 24	0.32 ～ 1.2	6 ～ 12
Number of flutes(sheet)	4	2	4	4	2	3	2	3 ～ 4	4	2 ～ 4	3	3	4	2	4	4	6	4	6
Type	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Radius	Long-Neck Radius	Long-Neck Radius	Radius	Radius	Long-Neck Radius	Long-Neck Radius
Overall Length (L)(mm)	50 ～ 110	50 ～ 120	50 ～ 120	70 ～ 120	50 ～ 100	38 ～ 120	40 ～ 100	45 ～ 70	40 ～ 100	50 ～ 70	60 ～ 220	70 ～ 175	60	45 ～ 50	50 ～ 75	60 ～ 80	60 ～ 80	50	60 ～ 100
Shank diameter (d)(mm)	4 ～ 6	4 ～ 6	4 ～ 6	3 ～ 12	4 ～ 6	3 ～ 12	4 ～ 6	4 ～ 6	4 ～ 6	4 ～ 6	6 ～ 20	4 ～ 16	6	4	6 ～ 12	6 ～ 12	6 ～ 12	4	6 ～ 12
Underneck length (ℓ1)(mm)	2 ～ 48	1 ～ 60	2 ～ 48	6 ～ 36	0.5 ～ 30	7 ～ 54	1 ～ 40	6 ～ 30	3 ～ 40	1 ～ 20	10 ～ 160.8	20 ～ 120	-	0.5 ～ 8	5 ～ 30	-	-	2 ～ 16.65	-
Machining Application	Plane / Side / Groove	Plane / Side / Curved surface / Groove / Plunging (Z feed)	Plane / Side / Curved surface	Plane / Side / Curved surface	Plane / Side / Curved surface / Groove / Plunging (Z feed)	Plane / Side / Groove	Plane / Side / Curved surface / Groove / Inclined Cuts	Plane / Side / Curved surface / Groove / Inclined Cuts	Plane / Side / Curved surface / Groove / Inclined Cuts	Plane / Side / Curved surface / Groove / Plunging (Z feed)	Plane / Side / Curved surface / Groove / Plunging (Z feed)	Plane / Side / Curved surface / Groove / Plunging (Z feed)	Plane / Side / Curved surface	Plane / Side / Curved surface / Groove / Plunging (Z feed)	Plane / Side / Groove	Plane / Side / Curved surface	Plane / Side / Curved surface	Plane / Side / Groove / Inclined Cuts	-
Coating	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)
Torsion Angle (θ)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	High Helix (45˚ to 60˚)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	High Helix (45˚ to 60˚)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	High Helix (45˚ to 60˚)	High Helix (45˚ to 60˚)	High Helix (45˚ to 60˚)	Standard Helix (30˚ to 40˚)	Weak torsion (15˚ to 25˚)	Standard Helix (30˚ to 40˚)	High Helix (45˚ to 60˚)	Standard Helix (30˚ to 40˚)	High Helix (45˚ to 60˚)
R Precision(μm)	0.005 to -0.005 ～ 0.01～-0.01	-	-	-	-	-	±0.005 ～ ±0.01	±0.005 ～ ±0.01	±0.005 ～ ±0.01	-	-	-	0.01～-0.01	0.005～-0.005	-	-	0.01～-0.01	0～-0.01	±10 ～ ±15

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Blade diameter (D)(φ)
0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.2

1.5

1.8

2

2　

2.5

3

3　

3.5

4

4　

4.5

5

5　

6

8

8　

10

10　

12

12　

16

20

25
Drawing

Clear

R Size(mm)
R0

0.02

0.03

0.05

0.1

0.15

0.2

0.25

0.3

0.4

0.5

0.6

0.8

1

R1

1.2

1.5

R1.5

2

R2

2.5

R2.5

3

R3

4

R4

5

R5

R6
Drawing

Clear

work material
- General Steel
- Quenched and tempered steel
- High Hardness Steel: to HRC55
- High Hardness Steel: to HRC60
- High Hardness Steel: to HRC65
- Stainless Steel
- Cast Iron
- Aluminum
- Titanium
- Copper
- Graphite
- Resin
Details

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Blade length (ℓ)(mm)
0.08

0.13

0.15

0.16

0.2

0.24

0.25

0.3

0.32

0.4

0.48

0.5

0.55

0.56

0.6

0.64

0.65

0.7

0.72

0.8

0.9

0.96

1

1.2

1.44

1.5

1.6

1.8

2

2.2

2.3

2.4

2.5

3

3　

3.2

3.7

4

4　

4.5

4.8

5

5　

6

6　

7

7.5

8

9

10

10　

11

12

12　

13

14

15

15　

16

18

19

20

22

24

25

26

30

48

64

80

100
Drawing

Clear

Number of flutes(sheet)
2

3

4

5

6
Drawing

Clear

Type
- Radius
- Long-Neck Radius
- Tapered neck radius
Clear

Overall Length (L)(mm)
38

40

45

48

49

50

51

52

53

55

60

64

65

70

75

80

85

90

100

110

115

120

125

130

135

140

145

150

160

170

175

180

185

190

200

220
Drawing

Clear

Shank diameter (d)(mm)
3

4

6

8

10

12

16

20

25
Drawing

Clear

Underneck length (ℓ1)(mm)
0.20

0.5

1

1.5

1.60

2

2.5

3

4

4.5

5

6

7

7.5

8

9

10

11

12

12.35

14

14.35

15

16

16.65

18

20

22

24

25

26

28

30

32

32.1

32.6

33.6

34.6

35

35.6

36

39

40

41.2

42

42.2

43.2

44.2

45

45.2

46.5

48

50

54

55

56

60

60.3

60.8

61.3

62.3

63.3

64

64.3

70

72

80

80.4

81.4

82.4

84

85

90

92.9

100

102

105

108

110

120

120.6

121.6

122.6

125

140

160

160.8
[8-25/1mm Unit(s)]
Drawing

Clear