UNION TOOL Long Neck Square End Mills (Carbide)（Type：Long-Neck Square）

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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

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

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^∗ ：	34.04 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

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

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

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^∗ ：	63.62 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

DCLS DIA Coated, for Graphite Processing, 2-Flute Long Neck Square

UNION TOOL

[Features]
· 2-Flute Diamond Coated Long Neck Square End Mill for Graphite Electrode Machining
· The newly developed diamond coating film achieves outstanding wear resistance
· Adopts a highly adhesive coating film for longer product life

Starting from^∗ ：	132.50 €
Min. Shipping Days ：	6 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
Brand	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL
Product Series	HLS, HM Coated 2-Flute Long Neck Square	C-CER UT Coat, 2-Flute Deep Ribbing Square	CPR for Resin Processing, 2-Flute Long Neck Square	HLS4000, HM Coated 4-Flute Long Neck Square	AZS 3-Flute Long-Neck Square Head for Processing Aluminum	CPRL for Resin Processing, 2-Flute Long Neck, Long Shank Square	DCLS DIA Coated, for Graphite 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^∗	48.05 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	22.49 € *Unit price with basic configuration Volume Discount	34.04 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	50.20 € *Unit price with basic configuration	50.20 € *Unit price with basic configuration	63.62 € *Unit price with basic configuration	132.50 € *Unit price with basic configuration	55.36 € *Unit price with basic configuration Volume Discount	58.72 € *Unit price with basic configuration
Min. Shipping Days ：	Same day	6 Days	Same day	6 Days	6 Days	6 Days	6 Days	6 Days	7 Days
Blade diameter (D)(φ)	0.1 ～ 6	0.2 ～ 6	0.5 ～ 6	1 ～ 6	1 ～ 12	0.5 ～ 4	0.4 ～ 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[◎]	Aluminum[○] / Copper[◎] / Resin[◎]	General Steel[○] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[○] / Stainless Steel[◎] / Cast Iron[○] / Titanium[○] / Copper[○]	Aluminum[◎] / Copper[○] / Resin[○]	Aluminum[○] / Copper[◎] / Resin[◎]	Aluminum[○] / Copper[○] / Graphite[◎] / Resin[○]	Aluminum[◎] / Copper[○] / Resin[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[○] / Cast Iron[○] / Titanium[○] / Copper[◎]
Blade length (ℓ)(mm)	0.1 ～ 9	0.3 ～ 9	1 ～ 12	1 ～ 6	2 ～ 24	1 ～ 8	0.8 ～ 12	2 ～ 24	1.5 ～ 18
Number of flutes(sheet)	2	2	2	4	3	2	2	3	4
Type	Long-Neck Square	Long-Neck Square	Long-Neck Square	Long-Neck Square	Long-Neck Square	Long-Neck Square	Long-Neck Square	Long-Neck Square	Long-Neck Square
Coating	For High Hardness (Silicon Group)	TiCN	Non-Coated	For High Hardness (Silicon Group)	Non-Coated	Non-Coated	Dia Coat	DLC	-
Shank diameter (d)(mm)	4 ～ 6	4 ～ 6	3 ～ 6	4 ～ 6	4 ～ 12	4 ～ 6	4 ～ 6	4 ～ 12	4 ～ 12
Overall Length (L)(mm)	45 ～ 120	45 ～ 120	38 ～ 120	50 ～ 110	60 ～ 110	80 ～ 100	45 ～ 120	60 ～ 110	50 ～ 90
Underneck length (ℓ1)(mm)	0.3 ～ 60	0.5 ～ 60	2 ～ 63	4 ～ 50	3 ～ 50	4 ～ 40	2 ～ 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 / Inclined Cuts	Plane / Side / Groove / Plunging (Z feed) / 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	Sharp Edge / With Lead	With Lead	With Lead	Sharp Edge / With Lead	Sharp Edge	With Lead	With Lead
Torsion Angle (θ)	Standard Helix (30˚ to 40˚)	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˚)	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

Clear

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

Clear

Shank diameter (d)(mm)
3

4

6

8

10

12

14

16

18

20

25

32

42
Drawing

Clear

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

Clear

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

Clear

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)（Type：Long-Neck Square）

HLS, HM Coated 2-Flute Long Neck Square

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

CPR for Resin Processing, 2-Flute Long Neck Square

HLS4000, HM Coated 4-Flute Long Neck Square

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

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

DCLS DIA Coated, for Graphite 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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