5/64" End Mills | McMaster-Carr

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47 Products

Miniature Carbide Square End Mills


2 Flutes	3 Flutes	4 Flutes

With a mill diameter less than _1/8" or 3 mm, these end mills are great for precise, detailed work such as in electronics, mold making, and medical-device manufacturing. They have a square end for milling square-bottomed slots, pockets, and edges. All are center cutting, allowing plunge cuts into a surface.

Made of solid carbide, these end mills are harder, stronger, and more wear resistant than high-speed steel and cobalt steel for the longest life and best finish. Their extreme hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent the end mill from breaking.

End mills with fewer flutes provide better chip clearance for high-volume, high-speed plunge, slotting, and roughing cuts; end mills with more flutes provide a finer finish and operate with less vibration when run at high speeds.

Uncoated Carbide—Use uncoated end mills for general purpose milling and short production runs. They stay sharper than coated end mills when used on soft materials like aluminum, leaving a better finish.

Titanium Nitride (TiN)-Coated Carbide—Titanium nitride (TiN)-coated end mills create less friction than uncoated end mills, which means they last longer when run at similar speeds. Use coated end mills for demanding, high-speed jobs in hard material as well as for longer production runs. The coating reduces friction and vibration as they’re used, making them more wear resistant than uncoated end mills.

Titanium Carbon Nitride (TiCN)-Coated Carbide—Titanium carbon nitride (TiCN)-coated end mills have a hard, smooth finish that resists chipping and wear and prevents material from accumulating on the cutting edge. They’re especially good for use in aluminum. Use coated end mills for demanding, high-speed jobs in hard material as well as for longer production runs. The coating reduces friction and vibration as they’re used, making them more wear resistant than uncoated end mills.

Titanium Aluminum Nitride (TiAlN)-Coated Carbide—Titanium aluminum nitride (TiAlN)- and aluminum titanium nitride (AlTiN)-coated end mills dissipate heat better than other end mills, especially at high speeds. At high temperatures, the coating creates a layer of aluminum oxide that transfers heat to the chips, keeping the tool cool, even when used without lubrication. This makes these good for aggressive machining while roughing or making interrupted cuts. Use coated end mills for demanding, high-speed jobs in hard material as well as for longer production runs. The coating reduces friction and vibration as they’re used, making them more wear resistant than uncoated end mills.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Uncoated Carbide







				2 Flutes

				5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8876A31	000000




						3 Flutes

						5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	88815A15	00000




								4 Flutes

								5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	3066A28	00000


								Titanium Nitride (TiN)-Coated Carbide







												2 Flutes

												5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8923A12	00000




														3 Flutes

														5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8923A215	00000




																4 Flutes

																5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8923A32	00000


																Titanium Carbon Nitride (TiCN)-Coated Carbide







																				2 Flutes

																				5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8515A22	00000




																				3 Flutes

		5/64"	-0.002" to 0"																	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8515A215	00000




																				4 Flutes

				5/64"	-0.002" to 0"															1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8515A52	00000


				Titanium Aluminum Nitride (TiAlN)-Coated Carbide







																				2 Flutes

																				5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8926A151	00000




																				3 Flutes

										5/64"										-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8927A151	00000




																				4 Flutes

												5/64"								-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8928A151	00000

Carbide Square End Mills for Carbon Fiber, Fiberglass, and Graphite

2 Flutes

3 Flutes

4 Flutes

A diamond or diamondlike coating on these end mills makes them good for machining abrasive material, such as carbon fiber, fiberglass, and graphite. Made of solid carbide, these end mills are harder, stronger, and more wear resistant than high-speed steel and cobalt steel for the longest life and best finish on hard material. Their extreme hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent the end mill from breaking. They have a square end for milling square-bottomed slots, pockets, and edges. All are center cutting, allowing plunge cuts into a surface.

Diamondlike Carbon (DLC)-Coated Carbide—Diamondlike carbon (DLC)-coated end mills are an economical option for short runs and intermittent use.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Diamondlike Carbon (DLC)-Coated Carbide







				2 Flutes

				5/64"	-0.0005" to 0.0005"	1/8"	25/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A12	000000




						3 Flutes

						5/64"	-0.0005" to 0.0005"	1/8"	1/2"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A27	00000




								4 Flutes

								5/64"	-0.0005" to 0.0005"	1/8"	25/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A12	00000

Miniature Carbide Ball End Mills

Ball Cut Style

2 Flutes

3 Flutes

4 Flutes

With a mill diameter less than _1/8", these end mills are great for precise, detailed work such as in electronics, mold making, and medical-device manufacturing. They have a ball end for milling rounded slots, slopes, and contours. All are center cutting, allowing plunge cuts into a surface.

Titanium Aluminum Nitride (TiAlN)-Coated Carbide—Titanium aluminum nitride (TiAlN)-coated end mills dissipate heat better than other end mills, especially at high speeds. At high temperatures, the coating creates a layer of aluminum oxide that transfers heat to the chips, keeping the tool cool, even when used without lubrication. This makes these good for aggressive machining while roughing or making interrupted cuts. Use coated end mills for demanding, high-speed jobs in hard material as well as for longer production runs. The coating reduces friction and vibration as they’re used, making them more wear resistant than uncoated end mills.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Uncoated Carbide







				2 Flutes

				5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8878A34	000000




						3 Flutes

						5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	88825A15	00000




								4 Flutes

								5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	88805A15	00000


								Titanium Nitride (TiN)-Coated Carbide







												2 Flutes

												5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8885A151	00000




														3 Flutes

														5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8886A151	00000




																4 Flutes

																5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8887A151	00000


																Titanium Carbon Nitride (TiCN)-Coated Carbide







																				2 Flutes

																				5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	8885A152	00000




																				3 Flutes

		5/64"	-0.002" to 0"																	1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	8886A152	00000




																				4 Flutes

				5/64"	-0.002" to 0"															1/8"	3/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	8887A152	00000


				Titanium Aluminum Nitride (TiAlN)-Coated Carbide







																				2 Flutes

																				5/64"	-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8885A153	00000




																				3 Flutes

										5/64"										-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8886A153	00000




																				4 Flutes

												5/64"								-0.002" to 0"	1/8"	3/16"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8887A153	00000

Fast-Cut Carbide Square End Mills

Square Cut Style

4 Flutes

Variable spacing between the flutes reduces vibration, allowing these end mills to provide fast cuts, smooth finishes, and long tool life on hard materials. Made of solid carbide, these end mills are harder, stronger, and more wear resistant than high-speed steel and cobalt steel for the longest life and best finish on hard material. Their extreme hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent the end mill from breaking. They have a square end for milling square-bottomed slots, pockets, and edges.

Aluminum Titanium Nitride (AlTiN)-Coated Carbide—A titanium aluminum nitride (TiAlN) or aluminum titanium nitride (AlTiN) coating allows them to dissipate heat better than other end mills, especially at high speeds. At high temperatures, the coating creates a layer of aluminum oxide that transfers heat to the chips, keeping the tool cool, even when used without lubrication. Aluminum titanium nitride (AlTiN) has a higher percentage of aluminum than titanium aluminum nitride (TiAlN).

Center Cutting—Center-cutting end mills allow plunge cuts into a surface.

Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each







Aluminum Titanium Nitride (AlTiN)-Coated Carbide—4 Flutes

5/64"	1/8"	5/32"	1 1/2"	Variable	35° to 38°	Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8745A701	000000

Carbide Square End Mills with Two Milling Ends


2 Flutes	4 Flutes

When one end wears out, switch to the opposite end for two times the life of a standard carbide end mill. Made of solid carbide, these end mills are harder, stronger, and more wear resistant than high-speed steel for the longest life and best finish on hard material. Their extreme hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent the end mill from breaking. They have square ends for milling square slots, pockets, and edges. All are center cutting, allowing plunge cuts into a surface.

Uncoated Carbide—Use uncoated end mills for general purpose milling and short production runs.

Titanium Nitride (TiN)-Coated Carbide—Titanium nitride (TiN)-coated end mills create less friction than uncoated end mills, which means they last longer when run at similar speeds. Use coated end mills for demanding, high-speed jobs in hard material as well as for longer production runs. They’re more wear resistant than uncoated end mills.

Titanium Carbon Nitride (TiCN)-Coated Carbide—Titanium carbon nitride (TiCN)-coated end mills have a hard, smooth finish that resists chipping and wear and prevents material from accumulating on the cutting edge. They’re especially good for use in aluminum. Use coated end mills for demanding, high-speed jobs in hard material as well as for longer production runs. They’re more wear resistant than uncoated end mills.

Titanium Aluminum Nitride (TiAlN)-Coated Carbide—Titanium aluminum nitride (TiAlN)- and aluminum titanium nitride (AlTiN)-coated end mills dissipate heat better than other end mills, especially at high speeds. At high temperatures, the coating creates a layer of aluminum oxide that transfers heat to the chips, keeping the tool cool, even when used without lubrication. Aluminum titanium nitride (AlTiN) has a higher percentage of aluminum than titanium aluminum nitride (TiAlN). Use coated end mills for demanding, high-speed jobs in hard material as well as for longer production runs. They’re more wear resistant than uncoated end mills.

2 Flutes—End mills with two flutes provide better chip clearance for high-volume, high-speed plunge, slotting, and roughing cuts.

4 Flutes—End mills with four flutes provide a finer finish and operate with less vibration when run at high speeds.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Uncoated Carbide







				2 Flutes

				5/64"	-0.002" to 0.000"	1/8"	1/8"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8888A22	000000




						4 Flutes

						5/64"	-0.002" to 0.000"	1/8"	1/8"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8889A32	00000


						Titanium Nitride (TiN)-Coated Carbide







										4 Flutes

										5/64"	-0.002" to 0.000"	1/8"	1/8"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	27375A414	00000


										Titanium Carbon Nitride (TiCN)-Coated Carbide







														2 Flutes

														5/64"	-0.002" to 0.000"	1/8"	1/8"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8888A642	00000




																4 Flutes

																5/64"	-0.002" to 0.000"	1/8"	1/8"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8889A141	00000


																Titanium Aluminum Nitride (TiAlN)-Coated Carbide







																				4 Flutes

																				5/64"	-0.002" to 0.000"	1/8"	1/8"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8889A142	00000

Carbide Ball End Mills for Carbon Fiber, Fiberglass, and Graphite

Ball Cut Style

2 Flutes

3 Flutes

4 Flutes

These end mills have a diamond or diamondlike coating for machining abrasive material, such as carbon fiber, fiberglass, and graphite. Made of solid carbide, they are harder, stronger, and more wear resistant than high-speed steel and cobalt steel for the longest life and best finish. Their extreme hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent the end mill from breaking. They have a ball end for milling rounded slots, slopes, and contours. All are center cutting, allowing plunge cuts into a surface.

Diamondlike Carbon (DLC)-Coated Carbide—Diamondlike carbon (DLC) coated end mills are an economical option for short runs and intermittent use.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Diamondlike Carbon (DLC)-Coated Carbide







				2 Flutes

				5/64"	-0.001" to 0.0005"	1/8"	25/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A32	000000




						3 Flutes

						5/64"	-0.001" to 0.0000"	1/8"	1/2"	2 1/2"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A41	00000




								4 Flutes

								5/64"	-0.001" to 0.0005"	1/8"	25/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A32	00000

Cobalt Steel Square End Mills with Two Milling Ends

2 Flutes

When one end wears out, switch to the opposite end for two times the life of a standard cobalt steel end mill. With better heat and wear resistance than high-speed steel, these cobalt steel end mills can run at higher speeds and provide better performance on hard material, such as iron, hardened steel, titanium, and tool steel. Their square ends make them good for milling square slots, pockets, and edges. All are center cutting, allowing plunge cuts into a surface.

2 Flutes—End mills with two flutes provide better chip clearance for high-volume, high-speed plunge, slotting, and roughing cuts.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Uncoated Cobalt Steel







				2 Flutes

				5/64"	-0.0015" to 0.0000"	3/16"	1/8"	2"	Equal	35°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	28425A34	000000


				5/64"	-0.0015" to 0.0000"	3/16"	15/64"	2 1/4"	Equal	35°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	28425A15	00000

High-Speed Steel Square End Mills with Two Milling Ends

2 Flutes

When one end wears out, switch to the opposite end for two times the life of a standard high-speed steel end mill. Made of high-speed steel, these end mills are for general purpose milling in most material, such as aluminum, brass, bronze, iron, and steel. Their square ends make them good for milling square slots, pockets, and edges. All are center cutting, allowing plunge cuts into a surface.

Uncoated High-Speed Steel—Use uncoated end mills for general purpose milling and short production runs.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Uncoated High-Speed Steel







				2 Flutes

				5/64"	-0.0015" to 0.0000"	3/16"	1/8"	2"	Equal	35°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	2802A15	000000


				5/64"	-0.0015" to 0.0000"	3/16"	15/64"	2 1/4"	Equal	35°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	2802A29	00000

Carbide Ball End Mills with Two Milling Ends

Ball Cut Style

4 Flutes

When one end wears out, switch to the opposite end for two times the life of a standard carbide end mill. Made of solid carbide, these end mills are harder, stronger, and more wear resistant than high-speed steel for the longest life and best finish on hard material. Their extreme hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent the end mill from breaking. They have a ball end for milling rounded slots, slopes, and contours. All are center cutting, allowing plunge cuts into a surface.

Uncoated Carbide—Use uncoated end mills for general purpose milling and short production runs.

Titanium Nitride (TiN)-Coated Carbide—Use titanium nitride (TiN)-coated end mills for demanding, high-speed jobs in hard material as well as for longer production runs. They’re more wear resistant than uncoated end mills, which means they last longer when run at similar speeds.

4 Flutes—End mills with four flutes provide a finer finish and operate with less vibration when run at high speeds.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Uncoated Carbide







				4 Flutes

				5/64"	-0.002" to 0.000"	1/8"	1/8"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8766A14	000000


				Titanium Nitride (TiN)-Coated Carbide







								4 Flutes

								5/64"	-0.002" to 0.000"	1/8"	1/8"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	27375A614	00000

High-Speed Steel Ball End Mills with Two Milling Ends


Ball Cut Style

When one end wears out, switch to the opposite end for two times the life of a standard high-speed steel end mill. Made of high-speed steel, these end mills are for general purpose milling in most material, such as aluminum, brass, bronze, iron, and steel. Their ball ends make them good for milling rounded slots, slopes, and contours. All are center cutting, allowing plunge cuts into a surface.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Uncoated High-Speed Steel







				2 Flutes

				5/64"	-0.0015" to 0.0000"	3/16"	1/8"	2"	Equal	35°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	2802A45	000000


				5/64"	-0.0015" to 0.0000"	3/16"	15/64"	2 1/4"	Equal	35°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	2802A61	00000

Cobalt Steel Ball End Mills with Two Milling Ends


Ball Cut Style	2 Flutes

When one end wears out, switch to the opposite end for two times the life of a standard cobalt steel end mill. With better heat and wear resistance than high-speed steel, these cobalt steel end mills can run at higher speeds and provide better performance on hard material, such as iron, hardened steel, titanium, and tool steel. Their ball ends make them good for milling rounded slots, slopes, and contours. All are center cutting, allowing plunge cuts into a surface.

2 Flutes—End mills with two flutes provide better chip clearance for high-volume, high-speed plunge, slotting, and roughing cuts.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Uncoated Cobalt Steel







				2 Flutes

				5/64"	-0.0015" to 0.0000"	3/16"	1/8"	2"	Equal	35°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	2827A18	000000


				5/64"	-0.0015" to 0.0000"	3/16"	15/64"	2 1/4"	Equal	35°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	2827A19	00000