UNION TOOL Long Neck Ball End Mills (Carbide)（work material：High Hardness Steel-HRC55）

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  HM Coated 2-flute, Long Neck Ball HSLB

  UNION TOOL

  [Features]
  · Compared to conventional products, this model achieves higher machining efficiency, longer service life and higher quality machining of hard mold materials at 40 HRC or more.
  · New HARDMAX coating adopted to maintain film hardness while improving oxidation resistance
  · Provides stable processing for water-soluble/oil-based cutting oil, oil mist, and air blow
  · The machining dimension has been improved by improving the wear resistance and setting the rake angle of the ball tip to negative
  · The rake angle on the outer circumference side of the ball has been set to weak negative, securing sharpness, providing an excellent processed surface and preventing deflection

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.05 ～ 3	0.08 ～ 4.8	0.3 ～ 60	3 ～ 6	2	45 ～ 120	High Hardness Steel-HRC55[◎]	-0.005～0.005 ～ -0.002～0.002	Curved surface / Side / Engraving / R Groove	For High Hardness (Silicon Group)	Long-Neck Ball

  From: ₹ 1,854.07
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  2-Flutes Short-Shank Long-Neck Ball End Mills HSLB-S

  UNION TOOL

  [Features]
  · Can be used for machining at short overhang lengths.

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.1 ～ 3	0.16 ～ 4.8	0.5 ～ 20	4 ～ 6	2	35 ～ 50	High Hardness Steel-HRC55[○]	±3 ～ ±5	-	-	Long-Neck Ball

  From: ₹ 1,830.54
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  HSB, HM Coated 2-Flute Ball

  UNION TOOL

  [Features]
  · Compared to conventional products, this model achieves higher machining efficiency, longer service life and higher quality machining of hard mold materials at 40 HRC or more.
  · New HARDMAX coating adopted to maintain film hardness while improving oxidation resistance
  · Provides stable processing for water-soluble/oil-based cutting oil, oil mist, and air blow
  · The machining dimension has been improved by improving the wear resistance and setting the rake angle of the ball tip to negative
  · The rake angle on the outer circumference side of the ball has been set to weak negative, securing sharpness, providing an excellent processed surface and preventing deflection

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.03 ～ 6	0.06 ～ 22	-	4 ～ 12	2	50 ～ 110	High Hardness Steel-HRC55[◎]	-0.007～0.007 ～ -0.002～0.002	Curved surface / Side / Engraving / R Groove	For High Hardness (Silicon Group)	Ball

  From: ₹ 1,829.96
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  HFB, HM Coated, 4-Flute High Efficiency Ball End Mill [Alteration Supported Product]

  UNION TOOL

  [Features]
  · Significantly enhances machining efficiency.
  · The chip discharge capacity is up to 27 times higher (compared to the manufacturer's previous product)
  · With the newly developed ball tip shape, the bottom surface is treated with non-polish processing
  · Reasonable price setting
  · Has 4 flutes but is still cheaper than 3-flute types from other companies

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  1 ～ 6	3 ～ 18	-	4 ～ 12	4	50 ～ 110	High Hardness Steel-HRC55[◎]	-0.01～0.01 ～ -0.005～0.005	Curved surface / Side / Engraving / R Groove	For High Hardness (Silicon Group)	Ball

  From: ₹ 3,394.38
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  HTNB HM coat 2-flute taper neck ball end mill

  UNION TOOL

  [Features]
  · High rigidity realized through an improved taper neck shape.
  · Adopts the HARDMAX coating that realizes outstanding heat resistance and lubricity
  · 65 HRC high hardness materials can also be cut

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.1 ～ 2	0.16 ～ 50	1.5 ～ 62	4 ～ 6	2	4 ～ 120	High Hardness Steel-HRC55[○/◎]	-0.005～0.005	Curved surface / Side / Engraving / R Groove	For High Hardness (Silicon Group) / For General Steels (AlCrN, etc.)	Tapered neck ball

  From: ₹ 3,800.22
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  UT Coat, 2-flute Ball CSEB

  UNION TOOL

  [Features]
  · With optimized blade shape, outstanding surface roughness is achieved for finishing and excellent wear resistance for roughing.
  · New UTCOAT with improved hardness, toughness, lubricity and adhesion is used to increase the wear resistance and surface roughness.
  · Supports a wide range from copper and raw materials to 55 HRC.

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.1 ～ 6	0.3 ～ 18	-	4 ～ 12	2	50 ～ 110	High Hardness Steel-HRC55[◎]	-0.007～0.007 ～ -0.005～0.005	Curved surface / Side / Engraving / R Groove	TiCN	Ball

  From: ₹ 1,879.53
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  HB, HM Coated, 2-Flute Ball End Mill [Alteration Supported Product]

  UNION TOOL

  [Features]
  · Compared to conventional products, this model achieves higher machining efficiency, longer service life and higher quality machining of hard mold materials at 40 HRC or more.
  · New HARDMAX coating adopted to maintain film hardness while improving oxidation resistance
  · Provides stable processing for water-soluble/oil-based cutting oil, oil mist, and air blow
  · The machining dimension has been improved by improving the wear resistance and setting the rake angle of the ball tip to negative
  · The rake angle on the outer circumference side of the ball has been set to weak negative, securing sharpness, providing an excellent processed surface and preventing deflection

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.1 ～ 0.75	0.3 ～ 2.5	-	4	2	50	High Hardness Steel-HRC55[◎]	-0.005～0.005	Curved surface / Side / Engraving / R Groove	For High Hardness (Silicon Group)	Ball

  From: ₹ 2,004.09
  Days to Ship: 7 Day(s) or more

  7 Day(s) or more

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  HBL, HM Coated 2-Flute Long Shank Ball

  UNION TOOL

  [Features]
  · Long Shank Ball End Middle Series Supporting High-Hardness Materials
  · Uses HardMax coating compatible with high-speed machining of high-hardness materials
  · Capable of stable, long-life machining for both dry and wet type

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  1.5 ～ 6	4.5 ～ 25	-	3 ～ 12	2	80 ～ 200	High Hardness Steel-HRC55[◎]	-0.007～0.007 ～ -0.005～0.005	Curved surface / Side / Engraving / R Groove	For High Hardness (Silicon Group)	Ball

  From: ₹ 6,039.69
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  HLB, HM Coat, 2-Flute Long Neck Ball End Mill

  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

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.4 ～ 3	0.64 ～ 4.8	3 ～ 30	4 ～ 6	2	45 ～ 80	High Hardness Steel-HRC55[◎]	-0.002～0.002	Curved surface / Side / Engraving / R Groove	For High Hardness (Silicon Group)	Long-Neck Ball

  From: ₹ 1,945.16
  Days to Ship: 6 Day(s) or more

  6 Day(s) or more

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  HFB, HM Coated 4-Flute High-Efficiency Short Shank Ball

  UNION TOOL

  [Features]
  · Supports Shrink Fit Holders
  · Suppresses unnecessary tool protrusion to enable higher precision processing
  · Reduces processes in cutting
  · Increases machining efficiency through combination with shrink fit holder.

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  1 ～ 6	3 ～ 18	-	4 ～ 12	4	40 ～ 60	High Hardness Steel-HRC55[◎]	-0.01～0.01 ～ -0.005～0.005	Curved surface / Side / Engraving / R Groove	For High Hardness (Silicon Group)	Ball

  From: ₹ 3,394.38
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  CFB, for Raw Wood to Machining, 3-Flute Ball [Alteration Supported Product]

  UNION TOOL

  [Features]
  · 3-flute type achieves remarkably high feed. Shortens the roughing time
  · Deep cutting is possible, enabling high efficiency machining even with shape processing where feeding speed cannot be increased
  · Designed with 3-flute variable split to suppress chatter.
  · It uses UTCOAT and can support a wide range from raw materials through low/medium hardness materials up to 55 HRC
  · Provides excellent chip discharge performance and outstanding finished surface roughness with 3-groove tip shape (excluding R0.75 and below)

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.3 ～ 6	0.9 ～ 18	-	4 ～ 12	3	50 ～ 120	High Hardness Steel-HRC55[◎]	-0.01～0.01 ～ -0.005～0.005	Curved surface / Side / Engraving / R Groove	TiCN	Ball

  From: ₹ 3,158.65
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  UT COAT 2-Flute Long-Neck Ball CSLEB

  UNION TOOL

  [Features]
  · With optimized blade shape, outstanding surface roughness is achieved for finishing and excellent wear resistance for roughing.
  · New UTCOAT with improved hardness, toughness, lubricity and adhesion is used to increase the wear resistance and surface roughness.
  · Supports a wide range from copper and raw materials to 55 HRC.

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.05 ～ 3	0.08 ～ 4.8	0.3 ～ 60	3 ～ 6	2	45 ～ 120	High Hardness Steel-HRC55[◎]	-0.005～0.005 ～ -0.002～0.002	Curved surface / Side / Engraving / R Groove	TiCN	Long-Neck Ball

  From: ₹ 1,854.07
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  CFLB, UT Coat 3-Flute Long Neck Ball End Mill

  UNION TOOL

  [Features]
  · Provides amazing high feed compared to the conventional 2-flute long neck ball.
  · With new UTCOAT, outstanding lubricity and long life are achieved.
  · Designed with 3-flute variable split to reduce chatter, enabling high precision die cutting.
  · Provides excellent chip discharge performance and outstanding finished surface roughness with 3-groove tip design (excluding R0.75 and below)
  · O.D. Tolerance: 0/-0.02

  R Size(mm)	Blade length (ℓ)(mm)	Underneck length (ℓ1)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	R Precision(μm)	Machining Application	Coating	Type
  0.3 ～ 3	0.48 ～ 4.8	2 ～ 40	4 ～ 6	3	50 ～ 90	High Hardness Steel-HRC55[◎]	-0.007～0.007 ～ -0.005～0.005	Curved surface / Side / Engraving / R Groove	TiCN	Long-Neck Ball

  From: ₹ 3,196.15
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

Brand
Product Series
From
Days to Ship
R Size(mm)
Blade length (ℓ)(mm)
Underneck length (ℓ1)(mm)
Shank diameter (d)(mm)
Number of flutes(sheet)
Overall Length (L)(mm)
work material
R Precision(μm)
Machining Application
Coating
Type

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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	HM Coated 2-flute, Long Neck Ball HSLB	2-Flutes Short-Shank Long-Neck Ball End Mills HSLB-S	HSB, HM Coated 2-Flute Ball	HFB, HM Coated, 4-Flute High Efficiency Ball End Mill [Alteration Supported Product]	HTNB HM coat 2-flute taper neck ball end mill	UT Coat, 2-flute Ball CSEB	HB, HM Coated, 2-Flute Ball End Mill [Alteration Supported Product]	HBL, HM Coated 2-Flute Long Shank Ball	HLB, HM Coat, 2-Flute Long Neck Ball End Mill	HFB, HM Coated 4-Flute High-Efficiency Short Shank Ball	CFB, for Raw Wood to Machining, 3-Flute Ball [Alteration Supported Product]	UT COAT 2-Flute Long-Neck Ball CSLEB	CFLB, UT Coat 3-Flute Long Neck Ball End Mill
From	₹ 1,854.07-	₹ 1,830.54-	₹ 1,829.96-	₹ 3,394.38-	₹ 3,800.22-	₹ 1,879.53-	₹ 2,004.09-	₹ 6,039.69-	₹ 1,945.16-	₹ 3,394.38-	₹ 3,158.65-	₹ 1,854.07-	₹ 3,196.15-
Days to Ship	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	7 Day(s) or more	5 Day(s) or more	6 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more
R Size(mm)	0.05 ～ 3	0.1 ～ 3	0.03 ～ 6	1 ～ 6	0.1 ～ 2	0.1 ～ 6	0.1 ～ 0.75	1.5 ～ 6	0.4 ～ 3	1 ～ 6	0.3 ～ 6	0.05 ～ 3	0.3 ～ 3
Blade length (ℓ)(mm)	0.08 ～ 4.8	0.16 ～ 4.8	0.06 ～ 22	3 ～ 18	0.16 ～ 50	0.3 ～ 18	0.3 ～ 2.5	4.5 ～ 25	0.64 ～ 4.8	3 ～ 18	0.9 ～ 18	0.08 ～ 4.8	0.48 ～ 4.8
Underneck length (ℓ1)(mm)	0.3 ～ 60	0.5 ～ 20	-	-	1.5 ～ 62	-	-	-	3 ～ 30	-	-	0.3 ～ 60	2 ～ 40
Shank diameter (d)(mm)	3 ～ 6	4 ～ 6	4 ～ 12	4 ～ 12	4 ～ 6	4 ～ 12	4	3 ～ 12	4 ～ 6	4 ～ 12	4 ～ 12	3 ～ 6	4 ～ 6
Number of flutes(sheet)	2	2	2	4	2	2	2	2	2	4	3	2	3
Overall Length (L)(mm)	45 ～ 120	35 ～ 50	50 ～ 110	50 ～ 110	4 ～ 120	50 ～ 110	50	80 ～ 200	45 ～ 80	40 ～ 60	50 ～ 120	45 ～ 120	50 ～ 90
work material	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[○]	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[○/◎]	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[◎]	High Hardness Steel-HRC55[◎]
R Precision(μm)	-0.005～0.005 ～ -0.002～0.002	±3 ～ ±5	-0.007～0.007 ～ -0.002～0.002	-0.01～0.01 ～ -0.005～0.005	-0.005～0.005	-0.007～0.007 ～ -0.005～0.005	-0.005～0.005	-0.007～0.007 ～ -0.005～0.005	-0.002～0.002	-0.01～0.01 ～ -0.005～0.005	-0.01～0.01 ～ -0.005～0.005	-0.005～0.005 ～ -0.002～0.002	-0.007～0.007 ～ -0.005～0.005
Machining Application	Curved surface / Side / Engraving / R Groove	-	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove	Curved surface / Side / Engraving / R Groove
Coating	For High Hardness (Silicon Group)	-	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group) / For General Steels (AlCrN, etc.)	TiCN	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	TiCN	TiCN	TiCN
Type	Long-Neck Ball	Long-Neck Ball	Ball	Ball	Tapered neck ball	Ball	Ball	Ball	Long-Neck Ball	Ball	Ball	Long-Neck Ball	Long-Neck Ball

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