1/32" End Mills | McMaster-Carr

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61 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

				1/32"	-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8876A28	000000




						3 Flutes

						1/32"	-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	88815A12	00000




								4 Flutes

								1/32"	-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	3066A49	00000


								Titanium Nitride (TiN)-Coated Carbide







												2 Flutes

												1/32"	-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8923A24	00000




														3 Flutes

														1/32"	-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8923A212	00000




																4 Flutes

																1/32"	-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8923A66	00000


																Titanium Carbon Nitride (TiCN)-Coated Carbide







																				2 Flutes

																				1/32"	-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8515A11	00000




																				3 Flutes

		1/32"	-0.002" to 0"																	1/8"	5/64"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8515A212	00000




																				4 Flutes

				1/32"	-0.002" to 0"															1/8"	5/64"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8515A75	00000


				Titanium Aluminum Nitride (TiAlN)-Coated Carbide







																				2 Flutes

																				1/32"	-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8926A121	00000




																				3 Flutes

										1/32"										-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8927A121	00000




																				4 Flutes

												1/32"								-0.002" to 0"	1/8"	5/64"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8928A121	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.

Diamond-Coated Carbide—Diamond-coated end mills are good for long production runs. They run twice as fast as other carbide end mills and last up to 30 times longer.

	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

				1/32"	-0.0005" to 0.0005"	1/8"	1/16"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A61	000000


				1/32"	-0.0005" to 0.0005"	1/8"	1/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A62	00000




						3 Flutes

						1/32"	-0.0005" to 0.0005"	1/8"	1/16"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A22	00000


						1/32"	-0.0005" to 0.0005"	1/8"	5/32"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A23	00000




								4 Flutes

								1/32"	-0.0005" to 0.0005"	1/8"	1/16"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A51	00000


								1/32"	-0.0005" to 0.0005"	1/8"	1/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A52	00000


								Diamond-Coated Carbide







												4 Flutes

												1/32"	-0.001" to 0.001"	1/8"	3/32"	1 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A111	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

				1/32"	-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8878A32	000000




						3 Flutes

						1/32"	-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	88825A12	00000




								4 Flutes

								1/32"	-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	88805A12	00000


								Titanium Nitride (TiN)-Coated Carbide







												2 Flutes

												1/32"	-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8885A121	00000




														3 Flutes

														1/32"	-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8886A121	00000




																4 Flutes

																1/32"	-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8887A121	00000


																Titanium Carbon Nitride (TiCN)-Coated Carbide







																				2 Flutes

																				1/32"	-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	8885A122	00000




																				3 Flutes

		1/32"	-0.002" to 0"																	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	8886A122	00000




																				4 Flutes

				1/32"	-0.002" to 0"															1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	8887A122	00000


				Titanium Aluminum Nitride (TiAlN)-Coated Carbide







																				2 Flutes

																				1/32"	-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8885A123	00000




																				3 Flutes

										1/32"										-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8886A123	00000




																				4 Flutes

												1/32"								-0.002" to 0"	1/8"	3/32"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8887A123	00000

Carbide Tapered Square End Mills


Tapered Cut Style	2 Flutes

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. Also known as taper degree end mills, they're often used to machine angled slots in dies and molds.

Titanium Aluminum Nitride (TiAlN)-Coated Carbide—Titanium aluminum nitride (TiAlN)-coated end mills are better for demanding, high-speed jobs in hard material as well as for longer production runs. They 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.

Noncenter Cutting—Noncenter-cutting end mills are for operations where the peripheral teeth do most of the work, such as shoulder milling, contouring, and finishing. They cannot be used for plunge cuts.

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







				2 Flutes

				1°	1/32"	-0.002" to 0.002"	1/16"	1/8"	1/2"	2"	Equal	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Noncenter Cutting	Tapered	8946A22	000000


				Titanium Aluminum Nitride (TiAlN)-Coated Carbide







								2 Flutes

								1°	1/32"	-0.002" to 0.002"	1/16"	1/8"	1/2"	2"	Equal	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Noncenter Cutting	Tapered	8172N11	00000

Oversize-Tolerance Carbide Square End Mills


2 Flutes	4 Flutes

Also known as NC tolerance end mills, these carbide end mills have oversize mill diameter tolerances. They're sized to match standard high-speed steel end mills, so you can use them as longer-lasting replacements without changing the size of the cut. 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 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 Aluminum Nitride (TiAlN)-Coated Carbide—Use titanium aluminum nitride (TiAlN)-coated end mills for demanding, high-speed jobs in hard material as well as for longer production runs. They 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.

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

				1/32"	0.000" to 0.001"	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	28605A11	000000




						4 Flutes

						1/32"	0.000" to 0.001"	1/8"	3/32"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	28605A25	00000


						Titanium Aluminum Nitride (TiAlN)-Coated Carbide







										2 Flutes

										1/32"	0.000" to 0.001"	1/8"	3/32"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	4557A113	00000




												4 Flutes

												1/32"	0.000" to 0.001"	1/8"	3/32"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	4557A116	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.

Diamond-Coated Carbide—Diamond-coated end mills are good for long production runs. They run twice as fast as other carbide end mills and last up to 30 times longer.

	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

				1/32"	-0.001" to 0.0005"	1/8"	1/16"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A81	000000


				1/32"	-0.001" to 0.0005"	1/8"	1/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A82	00000




						3 Flutes

						1/32"	-0.001" to 0.0000"	1/8"	5/32"	2 1/2"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A36	00000




								4 Flutes

								1/32"	-0.001" to 0.0005"	1/8"	1/16"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A71	00000


								1/32"	-0.001" to 0.0005"	1/8"	1/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A72	00000


								Diamond-Coated Carbide







												4 Flutes

												1/32"	-0.001" to 0.0010"	1/8"	3/32"	1 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A113	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

				1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8888A11	000000




						4 Flutes

						1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8889A18	00000


						Titanium Nitride (TiN)-Coated Carbide







										4 Flutes

										1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	27375A411	00000


										Titanium Carbon Nitride (TiCN)-Coated Carbide







														2 Flutes

														1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8888A612	00000




																4 Flutes

																1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	8889A111	00000


																Titanium Aluminum Nitride (TiAlN)-Coated Carbide







																				4 Flutes

																				1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	8889A112	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

				1/32"	-0.0015" to 0.0000"	3/16"	3/64"	2"	Equal	40°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	2802A12	000000


				1/32"	-0.0015" to 0.0000"	3/16"	3/32"	2 1/4"	Equal	40°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Square	2802A26	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

				1/32"	-0.0015" to 0.0000"	3/16"	3/64"	2"	Equal	40°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	28425A31	000000


				1/32"	-0.0015" to 0.0000"	3/16"	3/32"	2 1/4"	Equal	40°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Square	28425A11	00000

Carbide Ball End Mills with Two Milling Ends

Ball Cut Style

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 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.

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

				1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8762A31	000000




						4 Flutes

						1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	8766A11	00000


						Titanium Nitride (TiN)-Coated Carbide







										2 Flutes

										1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	27375A511	00000




												4 Flutes

												1/32"	-0.002" to 0.000"	1/8"	1/16"	1 1/2"	Equal	30°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	27375A611	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

				1/32"	-0.0015" to 0.0000"	3/16"	3/64"	2"	Equal	40°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	2802A42	000000


				1/32"	-0.0015" to 0.0000"	3/16"	3/32"	2 1/4"	Equal	40°	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	Center Cutting	Ball	2802A57	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

				1/32"	-0.0015" to 0.0000"	3/16"	3/64"	2"	Equal	40°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	2827A11	000000


				1/32"	-0.0015" to 0.0000"	3/16"	3/32"	2 1/4"	Equal	40°	Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	Center Cutting	Ball	2827A12	00000