UNION TOOL Long Neck Square End Mills (Carbide)（Blade tip shape：With Lead）

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HLS4000, HM Coated 4-Flute Long Neck Square

UNION TOOL

[Features]
· Unequal division
· θ1 > θ2: Variable split suppresses chatter vibration and tool damage
· θ1 + θ2 = 180°: Easy to measure the outer diameter. 180° counter blade design.
· Circumference back taper: Cutting resistance is reduced by using a back taper, and vertical wall cutting is also stable.
· Adopts the newly developed HARDMAX coating for high-hardness materials that realizes outstanding heat resistance and lubricity
· The 4-flute blade with improved chip discharge performance achieves top-level high feed and machining accuracy

Starting from^∗ ：	50.20 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

C-CES4000 UT Coat, 4-Flute Square

UNION TOOL

[Features]
· Supports a wide range of applications from carbon to hardened steel (up to 55 HRC)
· Reasonable price, yet high quality and high performance

Starting from^∗ ：	40.74 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Promotional pricing

HLS, HM Coated 2-Flute Long Neck Square

UNION TOOL

[Features]
· Adopts the HARDMAX coating that realizes outstanding heat resistance and lubricity, enabling deep rib milling of high-hardness materials
· High Accuracy: O.D. Tolerance: 0/-0.01 (D ≤ 0.15), 0/-0.015 (D ≥ 0.2)
· The refined shape improves the fracture resistance and the synergistic effect with HARDMAX coating ensures long product life

Volume Discount

Starting from^∗ ：	48.05 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

HMS, HM Coated 3-6 Flute Square

UNION TOOL

[Features]
· Can even be used to cut 65 HRC high speed steel material, with outstanding heat resistance temperature and lubricity
· Provides unprecedented long life and can be used for both dry and wet applications

Volume Discount

Starting from^∗ ：	58.10 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

C-CES2000 UT Coat, 2-Flute Square

UNION TOOL

[Features]
· Supports a wide range of applications from carbon to hardened steel (up to 55 HRC)
· Reasonable price, yet high quality and high performance

Starting from^∗ ：	25.90 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

C-CER UT Coat, 2-Flute Deep Ribbing Square

UNION TOOL

[Features]
· Ideal for deep grooving thanks to the undercut processing of the main part

Volume Discount

Starting from^∗ ：	22.49 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

CAS 2-Flute Square Head for Processing Aluminum

UNION TOOL

[Features]
· End Mill for Aluminum Machining
· Adopts 45° torsion for a blade shape with excellent sharpness and chip discharge

Starting from^∗ ：	48.02 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

AZS 3-Flute Long-Neck Square Head for Processing Aluminum

UNION TOOL

[Features]
· Z-cutting is possible on solid workpieces, reducing pilot hole drilling process time
· Adopts a 45° torsion angle to achieve excellent chip discharge performance
· The blade shape dedicated for aluminum greatly suppresses the generation of burrs
· Tip chipping has been greatly reduced by adopting a micro flat land

Starting from^∗ ：	50.20 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

CPS for Resin Processing, 2-Flute Square

UNION TOOL

[Features]
· Medium Blade Length End Mill for Resin Processing
· Unique blade shape
· Blade Length = 3x Outer Diameter (Some 1.5x/2x)
· An excellent machined surface can be obtained, even for long resin protrusion machining

Starting from^∗ ：	44.80 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

CPRL for Resin Processing, 2-Flute Long Neck, Long Shank Square

UNION TOOL

[Features]
· Long Neck / Long Shank Square End Mill for Resin Processing
· Adopts a long shank to support deep groove machining of objects with long projections
· Exhibits excellent sharpness in resin processing

Starting from^∗ ：	82.35 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Promotional pricing

CPR for Resin Processing, 2-Flute Long Neck Square

UNION TOOL

[Features]
· Long Neck End Mill for Resin Processing
· Ideal for deep grooving thanks to the undercut processing of the neck part

Volume Discount

Starting from^∗ ：	63.59 €
	Special price
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

DLC-AZS DLC Coated, 3-Flute Long Neck Square

UNION TOOL

[Features]
· Z-cutting is possible on solid workpieces, reducing pilot hole drilling process time
· The DLC coating provides outstanding wear resistance and resistance to weld adhesion
· Adopts a 45° torsion angle to achieve excellent chip discharge performance
· The blade shape dedicated for aluminum greatly suppresses the generation of burrs
· Tip chipping has been greatly reduced by adopting a micro flat land
· O.D. Tolerance: 0/-0.015 (D ≤ 6), 0/-0.005 (D ≥ 8)

Volume Discount

Starting from^∗ ：	55.36 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

UT Coat, 4-Flute Long Neck Square CXS

UNION TOOL

[Features]
· Variable split and unequal lead effectively suppress chatter vibration
· Adopts a high-toughness type resistant to chipping with carbides, then further fine-tunes the special ridge shape to enable ultra-high-performance deep cutting like never before
· Provides excellent finished surfaces in both heavy cutting and finishing
· Adopts a low friction coating to realize outstanding chip discharge performance and abrasion resistance

Starting from^∗ ：	58.72 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration


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

			Promotional pricing	Promotional pricing							Promotional pricing
Brand	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL
Product Series	HLS4000, HM Coated 4-Flute Long Neck Square	C-CES4000 UT Coat, 4-Flute Square	HLS, HM Coated 2-Flute Long Neck Square	HMS, HM Coated 3-6 Flute Square	C-CES2000 UT Coat, 2-Flute Square	C-CER UT Coat, 2-Flute Deep Ribbing Square	CAS 2-Flute Square Head for Processing Aluminum	AZS 3-Flute Long-Neck Square Head for Processing Aluminum	CPS for Resin Processing, 2-Flute Square	CPRL for Resin Processing, 2-Flute Long Neck, Long Shank Square	CPR for Resin Processing, 2-Flute Long Neck Square	DLC-AZS DLC Coated, 3-Flute Long Neck Square	UT Coat, 4-Flute Long Neck Square CXS
Starting from^∗	50.20 € *Unit price with basic configuration	40.74 € *Unit price with basic configuration	48.05 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	58.10 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	25.90 € *Unit price with basic configuration	22.49 € *Unit price with basic configuration Volume Discount	48.02 € *Unit price with basic configuration	50.20 € *Unit price with basic configuration	44.80 € *Unit price with basic configuration	82.35 € *Unit price with basic configuration	63.59 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	55.36 € *Unit price with basic configuration Volume Discount	58.72 € *Unit price with basic configuration
Min. Shipping Days ：	6 Days	6 Days	Same day	Same day	6 Days	6 Days	6 Days	6 Days	6 Days	7 Days	7 Days	6 Days	7 Days
Blade diameter (D)(φ)	1 ～ 6	1 ～ 20	0.1 ～ 6	1 ～ 12	0.1 ～ 20	0.2 ～ 6	0.5 ～ 12	1 ～ 12	0.3 ～ 12	3 ～ 4	3 ～ 6	1 ～ 12	1 ～ 12
work material	General Steel[○] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[○] / Stainless Steel[◎] / Cast Iron[○] / Titanium[○] / Copper[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[○] / Stainless Steel[◎] / Cast Iron[○] / Titanium[○] / Copper[◎]	General Steel[○] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[○] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[○]	Quenched and tempered steel[○] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[◎]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[○] / Stainless Steel[◎] / Cast Iron[○] / Titanium[○] / Copper[◎]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[○] / Stainless Steel[◎] / Cast Iron[○] / Titanium[○] / Copper[◎]	Aluminum[◎] / Copper[○]	Aluminum[◎] / Copper[○] / Resin[○]	Aluminum[○] / Copper[◎] / Resin[◎]	Aluminum[○] / Copper[◎] / Resin[◎]	Aluminum[○] / Copper[◎] / Resin[◎]	Aluminum[◎] / Copper[○] / Resin[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[○] / Cast Iron[○] / Titanium[○] / Copper[◎]
Blade length (ℓ)(mm)	1 ～ 6	2.5 ～ 48	0.1 ～ 9	2.5 ～ 56	0.15 ～ 48	0.3 ～ 9	0.75 ～ 30	2 ～ 24	0.9 ～ 36	6 ～ 8	6 ～ 12	2 ～ 24	1.5 ～ 18
Number of flutes(sheet)	4	4	2	3 ～ 6	2	2	2	3	2	2	2	3	4
Type	Long-Neck Square	Square	Long-Neck Square	Square	Square	Long-Neck Square	Square	Long-Neck Square	Square	Long-Neck Square	Long-Neck Square	Long-Neck Square	Long-Neck Square
Coating	For High Hardness (Silicon Group)	TiCN	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	TiCN	TiCN	Non-Coated	Non-Coated	Non-Coated	Non-Coated	Non-Coated	DLC	-
Shank diameter (d)(mm)	4 ～ 6	4 ～ 20	4 ～ 6	4 ～ 12	3 ～ 20	4 ～ 6	4 ～ 12	4 ～ 12	3 ～ 12	6	6	4 ～ 12	4 ～ 12
Overall Length (L)(mm)	50 ～ 110	45 ～ 110	45 ～ 120	45 ～ 120	38 ～ 110	45 ～ 120	45 ～ 90	60 ～ 110	45 ～ 100	100	70 ～ 120	60 ～ 110	50 ～ 90
Underneck length (ℓ1)(mm)	4 ～ 50	-	0.3 ～ 60	-	-	0.5 ～ 60	-	3 ～ 50	-	12 ～ 32	8 ～ 63	3 ～ 36	3 ～ 36
Machining Application	Plane / Side / Groove / Inclined Cuts	Plane / Side / Groove / Inclined Cuts	Plane / Side / Groove / Inclined Cuts	Plane / Side / Groove / Plunging (Z feed) / Inclined Cuts	Plane / Side / Groove / Inclined Cuts	Plane / Side / Groove / Inclined Cuts	Plane / Side / Groove / Inclined Cuts	Plane / Side / Groove / Plunging (Z feed) / Inclined Cuts	Plane / Side / Groove / Inclined Cuts	Plane / Side / Groove / Inclined Cuts	Plane / Side / Groove / Inclined Cuts	Plane / Side / Groove / Plunging (Z feed) / Inclined Cuts	Plane / Side / Groove / Inclined Cuts
Blade tip shape	With Lead	With Lead	With Lead	With Lead	With Lead	With Lead	With Lead	With Lead	With Lead	With Lead	With Lead	With Lead	With Lead
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˚)	High Helix (45˚ to 60˚)	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˚)

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Blade diameter (D)(φ)
- 0.1～0.95
  - 0.1
  - 0.15
  - 0.2
  - 0.25
  - 0.3
  - 0.35
  - 0.4
  - 0.45
  - 0.5
  - 0.55
  - 0.6
  - 0.65
  - 0.7
  - 0.75
  - 0.8
  - 0.85
  - 0.9
  - 0.95
- 1～1.95
  - 1
  - 1.05
  - 1.1
  - 1.15
  - 1.2
  - 1.25
  - 1.3
  - 1.35
  - 1.4
  - 1.45
  - 1.5
  - 1.55
  - 1.6
  - 1.65
  - 1.7
  - 1.75
  - 1.8
  - 1.85
  - 1.9
  - 1.95
- 2～2.9
  - 2
  - 2.1
  - 2.2
  - 2.3
  - 2.4
  - 2.5
  - 2.6
  - 2.7
  - 2.8
  - 2.9
- 3～3.9
  - 3
  - 3.1
  - 3.2
  - 3.3
  - 3.4
  - 3.5
  - 3.6
  - 3.7
  - 3.8
  - 3.9
- 4～4.9
  - 4
  - 4.1
  - 4.2
  - 4.3
  - 4.4
  - 4.5
  - 4.6
  - 4.7
  - 4.8
  - 4.9
- 5～5.9
  - 5
  - 5.1
  - 5.2
  - 5.3
  - 5.4
  - 5.5
  - 5.6
  - 5.7
  - 5.8
  - 5.9
- 6～6.9
  - 6
  - 6.1
  - 6.2
  - 6.3
  - 6.4
  - 6.5
  - 6.6
  - 6.7
  - 6.9
- 7～7.9
  - 7
  - 7.1
  - 7.2
  - 7.3
  - 7.4
  - 7.5
  - 7.6
  - 7.7
  - 7.8
  - 7.9
- 8～8.9
  - 8
  - 8.1
  - 8.2
  - 8.3
  - 8.4
  - 8.5
  - 8.6
  - 8.7
  - 8.8
  - 8.9
- 9～9.9
  - 9
  - 9.1
  - 9.2
  - 9.3
  - 9.4
  - 9.5
  - 9.6
  - 9.8
  - 9.9
- 10～10.5
  - 10
  - 10.5
- 11～11.5
  - 11
  - 11.5
- 12
- 14
- 16
- 18
- 20
- 25
- 30
- 32
- 35
- 40
- 45
- 50
Drawing

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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)
- 0.08～0.9
  - 0.08
  - 0.1
  - 0.12
  - 0.15
  - 0.2
  - 0.25
  - 0.3
  - 0.4
  - 0.45
  - 0.5
  - 0.55
  - 0.6
  - 0.65
  - 0.7
  - 0.75
  - 0.8
  - 0.9
- 1～1.9
  - 1
  - 1.05
  - 1.1
  - 1.2
  - 1.25
  - 1.3
  - 1.35
  - 1.4
  - 1.5
  - 1.6
  - 1.7
  - 1.75
  - 1.8
  - 1.9
- 2～2.8
  - 2
  - 2.1
  - 2.25
  - 2.3
  - 2.4
  - 2.5
  - 2.7
  - 2.8
- 3～3.8
  - 3
  - 3.2
  - 3.5
  - 3.6
  - 3.7
  - 3.75
  - 3.8
- 4～4.8
  - 4
  - 4.5
  - 4.8
- 5～5.5
  - 5
  - 5.25
  - 5.3
  - 5.4
  - 5.5
- 6～6.25
  - 6
  - 6.25
- 7～7.5
  - 7
  - 7.2
  - 7.5
- 8
- 9
- 10
- 11
- 12～12.5
  - 12
  - 12.5
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 24
- 25
- 26
- 30
- 32
- 35
- 36
- 38
- 40
- 45
- 46
- 48
- 50
- 55
- 56
- 60
- 64
- 65
- 70
- 75
- 80
- 85
- 100
- 115
- 125
- 130
- 150
Drawing

Clear

Number of flutes(sheet)
2

3

4

6

8
Clear

Type
- Square
- Long-Neck Square
- High Helical
Clear

Coating
- For High Hardness (Silicon Group)
- TiAlN
- For General Steels (AlCrN, etc.)
- TiCN
- DLC
- CrN
- Dia Coat
- Non-Coated
- DG
Details

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Shank diameter (d)(mm)
3

4

6

8

10

12

14

16

18

20

25

32

42
Drawing

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Overall Length (L)(mm)
35

38

40

45

50

55

60

64

65

70

75

80

90

93

100

108

110

120

125

126

130

140

150

160

170

180

185

200

215

230

240

250

265
Drawing

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Underneck length (ℓ1)(mm)
- 0.3～0.8
  - 0.3
  - 0.5
  - 0.75
  - 0.8
- 1～1.5
  - 1
  - 1.5
- 2～2.5
  - 2
  - 2.5
- 3～3.5
  - 3
  - 3.5
- 4～4.5
  - 4
  - 4.5
- 5
- 6
- 7～7.5
  - 7
  - 7.5
- 8
- 9
- 10～10.5
  - 10
  - 10.5
- 12～12.5
  - 12
  - 12.5
- 13.5
- 14
- 15
- 16
- 17.5
- 18
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 28
- 29
- 30
- 32
- 35
- 36
- 38
- 39
- 40
- 42
- 45
- 48
- 50
- 52
- 53
- 55
- 60
- 63
- 70
- 75
- 76
- 80
Drawing

Clear

Machining Application
- Plane
- Side
- Groove
- Plunging (Z feed)
- Inclined Cuts
- Countersinking
Images

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Blade tip shape
- Sharp Edge
- With Lead
- C plane
Images

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Torsion Angle (θ)
- Weak torsion (15˚ to 25˚)
- Standard Helix (30˚ to 40˚)
- High Helix (45˚ to 60˚)
- Variable lead
Drawing

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Categories related to Long Neck Square End Mills (Carbide)

- Square End Mills (Carbide)
- Long Neck Square End Mills (Carbide)

UNION TOOL Long Neck Square End Mills (Carbide)（Blade tip shape：With Lead）

HLS4000, HM Coated 4-Flute Long Neck Square

C-CES4000 UT Coat, 4-Flute Square

HLS, HM Coated 2-Flute Long Neck Square

HMS, HM Coated 3-6 Flute Square

C-CES2000 UT Coat, 2-Flute Square

C-CER UT Coat, 2-Flute Deep Ribbing Square

CAS 2-Flute Square Head for Processing Aluminum

AZS 3-Flute Long-Neck Square Head for Processing Aluminum

CPS for Resin Processing, 2-Flute Square

CPRL for Resin Processing, 2-Flute Long Neck, Long Shank Square

CPR for Resin Processing, 2-Flute Long Neck Square

DLC-AZS DLC Coated, 3-Flute Long Neck Square

UT Coat, 4-Flute Long Neck Square CXS

Filter by:

Stock

Narrow search by specifying spec./dim.

Blade diameter (D)(φ)

work material

Blade length (ℓ)(mm)

Number of flutes(sheet)

Type

Coating

Shank diameter (d)(mm)

Overall Length (L)(mm)

Underneck length (ℓ1)(mm)

Machining Application

Blade tip shape

Torsion Angle (θ)

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Categories related to Long Neck Square End Mills (Carbide)

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