End Mills For Graphite | McMaster-Carr

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213 Products

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

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.

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.

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
				1/16"	-0.0005" to 0.0005"	1/8"	5/16"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A11	00000
				1/16"	-0.0005" to 0.0005"	1/8"	1/2"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A63	00000
				5/64"	-0.0005" to 0.0005"	1/8"	25/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A12	00000
				3/32"	-0.0005" to 0.0005"	1/8"	15/32"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A13	00000
				7/64"	-0.0005" to 0.0005"	1/8"	35/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A14	00000
				1/8"	-0.0005" to 0.0005"	1/8"	5/8"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A15	00000
				1/8"	-0.0005" to 0.0005"	1/8"	1"	4"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A64	00000
				5/32"	-0.0005" to 0.0005"	3/16"	3/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A17	00000
				3/16"	-0.0005" to 0.0005"	3/16"	3/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A19	00000


				3/16"	-0.0005" to 0.0005"	3/16"	1 3/8"	4"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A65	00000
				7/32"	-0.0005" to 0.0005"	1/4"	1"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A21	00000
				1/4"	-0.0005" to 0.0005"	1/4"	1"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A22	00000
				1/4"	-0.0005" to 0.0005"	1/4"	1 1/2"	6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A66	00000
				5/16"	-0.0005" to 0.0005"	5/16"	1"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A23	00000
				3/8"	-0.0005" to 0.0005"	3/8"	1"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A24	00000
				3/8"	-0.0005" to 0.0005"	3/8"	2"	6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A67	000000
				1/2"	-0.0005" to 0.0005"	1/2"	1 1/4"	3"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A25	000000
				1/2"	-0.0005" to 0.0005"	1/2"	2"	6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4083A68	000000




						3 Flutes

						1/64"	-0.0005" to 0.0005"	1/8"	5/64"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A21	00000


						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
						3/64"	-0.0005" to 0.0005"	1/8"	1/4"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A24	00000
						1/16"	-0.0005" to 0.0005"	1/8"	1/8"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A25	00000
						1/16"	-0.0005" to 0.0005"	1/8"	1/2"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A26	00000
						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
						3/32"	-0.0005" to 0.0005"	1/8"	3/16"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A28	00000
						3/32"	-0.0005" to 0.0005"	1/8"	3/4"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A29	00000
						1/8"	-0.0005" to 0.0005"	1/8"	1"	3"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8880A31	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
								1/16"	-0.0005" to 0.0005"	1/8"	5/16"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A11	00000
								1/16"	-0.0005" to 0.0005"	1/8"	1/2"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A53	00000
								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
3/32"								-0.0005" to 0.0005"	1/8"	15/32"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A13	00000
7/64"	-0.0005" to 0.0005"							1/8"	35/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A14	00000
1/8"	-0.0005" to 0.0005"							1/8"	5/8"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A15	00000
1/8"	-0.0005" to 0.0005"							1/8"	1"	4"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A54	00000
5/32"	-0.0005" to 0.0005"							3/16"	3/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A17	00000
3/16"	-0.0005" to 0.0005"	3/16"						3/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A19	00000


3/16"	-0.0005" to 0.0005"	3/16"	1 3/8"					4"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A55	00000
7/32"	-0.0005" to 0.0005"	1/4"	1"					2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A21	00000
1/4"	-0.0005" to 0.0005"	1/4"	1"					2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A22	00000
1/4"	-0.0005" to 0.0005"	1/4"	1 1/2"					6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A56	000000
5/16"	-0.0005" to 0.0005"	5/16"	1"					2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A23	00000
3/8"	-0.0005" to 0.0005"	3/8"	1"					2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A24	000000
3/8"	-0.0005" to 0.0005"	3/8"	2"					6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A57	000000
1/2"	-0.0005" to 0.0005"	1/2"	1 1/4"					3"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A25	000000
1/2"	-0.0005" to 0.0005"	1/2"	2"					6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A58	000000
1 mm	-0.012 mm to 0.012 mm	3 mm	5 mm					38 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A811	00000


1.5 mm	-0.012 mm to 0.012 mm	3 mm	7.5 mm					38 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A812	00000
2 mm	-0.012 mm to 0.012 mm	3 mm	10 mm					38 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A813	00000
2.5 mm	-0.012 mm to 0.012 mm	3 mm	12.5 mm					38 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A814	00000
3 mm	-0.012 mm to 0.012 mm	3 mm	15 mm					38 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A815	00000
4 mm	-0.012 mm to 0.012 mm	4 mm	20 mm					50 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A816	00000
4.5 mm	-0.012 mm to 0.012 mm	5 mm	20 mm					50 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A817	00000
5 mm	-0.012 mm to 0.012 mm	5 mm	20 mm					50 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A818	00000
6 mm	-0.012 mm to 0.012 mm	6 mm	25 mm					63 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A819	00000
8 mm	-0.012 mm to 0.012 mm	8 mm	28 mm					63 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A821	00000
10 mm	-0.012 mm to 0.012 mm	10 mm	30 mm					70 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A822	000000


12 mm	-0.012 mm to 0.012 mm	12 mm	32 mm					74 mm	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	4119A823	000000


Diamond-Coated Carbide







				2 Flutes

				0.2 mm	-0.025 mm to 0 mm			3 mm	0.3 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A301	000000


				0.3 mm	-0.025 mm to 0 mm			3 mm	0.45 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A302	000000
				0.4 mm	-0.025 mm to 0 mm			3 mm	0.6 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A303	000000
				0.5 mm	-0.025 mm to 0 mm			3 mm	1.5 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A304	000000
				0.6 mm	-0.025 mm to 0 mm			3 mm	1.8 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A305	000000
				0.8 mm	-0.025 mm to 0 mm			3 mm	2.4 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A306	000000
				1 mm	-0.025 mm to 0 mm			3 mm	3 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A307	000000




						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


						1/16"	-0.001" to 0.001"	1/8"	3/16"	1 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A121	00000
						3/32"	-0.001" to 0.001"	1/8"	3/8"	1 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A131	00000
						1/8"	-0.001" to 0.001"	1/8"	1/2"	1 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A141	000000
						1/8"	-0.001" to 0.001"	1/8"	1"	3"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A142	000000
						3/16"	-0.001" to 0.001"	3/16"	5/8"	2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A151	000000
						1/4"	-0.001" to 0.001"	1/4"	3/4"	2 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A161	000000
						1/4"	-0.001" to 0.001"	1/4"	1 1/4"	3"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A162	000000
						3/8"	-0.001" to 0.001"	3/8"	7/8"	2 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A181	000000
						1/2"	-0.001" to 0.001"	1/2"	1"	3"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A211	000000
						1/2"	-0.001" to 0.001"	1/2"	2"	4"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A212	000000


						2 mm	-0.025 mm to 0 mm	3 mm	6 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A308	000000
						3 mm	-0.025 mm to 0 mm	3 mm	12 mm	75 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A309	000000
						4 mm	-0.025 mm to 0 mm	4 mm	15 mm	75 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A311	000000
						6 mm	-0.025 mm to 0 mm	6 mm	20 mm	60 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A312	000000
						8 mm	-0.025 mm to 0 mm	8 mm	25 mm	100 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A313	000000
						10 mm	-0.025 mm to 0 mm	10 mm	25 mm	100 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A314	000000
						12 mm	-0.025 mm to 0 mm	12 mm	25 mm	100 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	3725A315	000000

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
				1/16"	-0.001" to 0.0005"	1/8"	5/16"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A31	00000
				1/16"	-0.001" to 0.0005"	1/8"	1/2"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A83	00000
				5/64"	-0.001" to 0.0005"	1/8"	25/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A32	00000
				3/32"	-0.001" to 0.0005"	1/8"	15/32"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A33	00000
				7/64"	-0.001" to 0.0005"	1/8"	35/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A34	00000
				1/8"	-0.001" to 0.0005"	1/8"	5/8"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A35	00000
				1/8"	-0.001" to 0.0005"	1/8"	1"	4"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A84	00000
				5/32"	-0.001" to 0.0005"	3/16"	3/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A37	00000
				3/16"	-0.001" to 0.0005"	3/16"	3/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A39	00000


				3/16"	-0.001" to 0.0005"	3/16"	1 3/8"	4"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A85	00000
				1/4"	-0.001" to 0.0005"	1/4"	1"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A42	00000
				1/4"	-0.001" to 0.0005"	1/4"	1 1/2"	6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A86	00000
				5/16"	-0.001" to 0.0005"	5/16"	1"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A43	00000
				3/8"	-0.001" to 0.0005"	3/8"	1"	2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A44	00000
				3/8"	-0.001" to 0.0005"	3/8"	2"	6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A87	000000
				1/2"	-0.001" to 0.0005"	1/2"	1 1/4"	3"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A45	000000
				1/2"	-0.001" to 0.0005"	1/2"	2"	6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4083A88	000000




						3 Flutes

						1/64"	-0.001" to 0.0000"	1/8"	5/64"	2 1/2"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A34	00000


						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
						3/64"	-0.001" to 0.0000"	1/8"	1/4"	2 1/2"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A37	00000
						1/16"	-0.001" to 0.0000"	1/8"	1/8"	2 1/2"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A38	00000
						1/16"	-0.001" to 0.0000"	1/8"	1/2"	2 1/2"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A39	00000
						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
						3/32"	-0.001" to 0.0000"	1/8"	3/16"	2 1/2"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A42	00000
						3/32"	-0.001" to 0.0000"	1/8"	3/4"	2 1/2"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A43	00000
						1/8"	-0.002" to 0.0000"	1/8"	1"	3"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A44	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
								1/16"	-0.001" to 0.0005"	1/8"	5/16"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A31	00000
								1/16"	-0.001" to 0.0005"	1/8"	1/2"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A73	00000
								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
								3/32"	-0.001" to 0.0005"	1/8"	15/32"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A33	00000
								7/64"	-0.001" to 0.0005"	1/8"	35/64"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A34	00000
1/8"								-0.001" to 0.0005"	1/8"	5/8"	1 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A35	00000
1/8"	-0.001" to 0.0005"							1/8"	1"	4"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A74	00000
5/32"	-0.001" to 0.0005"							3/16"	3/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A37	00000
3/16"	-0.001" to 0.0005"							3/16"	3/4"	2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A39	00000


3/16"	-0.001" to 0.0005"	3/16"	1 3/8"					4"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A75	00000
7/32"	-0.001" to 0.0005"	1/4"	1"					2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A41	00000
1/4"	-0.002" to 0.0000"	1/4"	1 1/2"					4"	Equal	35°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	8880A46	00000
1/4"	-0.001" to 0.0005"	1/4"	1"					2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A42	00000
1/4"	-0.001" to 0.0005"	1/4"	1 1/2"					6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A76	000000
5/16"	-0.001" to 0.0005"	5/16"	1"					2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A43	00000
3/8"	-0.001" to 0.0005"	3/8"	1"					2 1/2"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A44	000000
3/8"	-0.001" to 0.0005"	3/8"	2"					6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A77	000000
1/2"	-0.001" to 0.0005"	1/2"	1 1/4"					3"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A45	000000
1/2"	-0.001" to 0.0005"	1/2"	2"					6"	Equal	33°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	4119A78	000000


Diamond-Coated Carbide







								2 Flutes

								0.2 mm	0.185 mm to 0.2000 mm	4 mm	0.4 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A11	000000


								0.3 mm	0.285 mm to 0.3000 mm	4 mm	0.6 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A12	000000
								0.4 mm	0.385 mm to 0.4000 mm	4 mm	0.8 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A13	000000
								0.5 mm	0.485 mm to 0.5000 mm	4 mm	2.5 mm	40 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A14	000000
								0.6 mm	0.585 mm to 0.6000 mm	4 mm	3 mm	60 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A15	000000
				0.8 mm				0.785 mm to 0.8000 mm	4 mm	4 mm	60 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A16	000000
				1 mm	0.985 mm to 1.0000 mm			4 mm	5 mm	60 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A17	000000
				1.2 mm	1.185 mm to 1.2000 mm			4 mm	6 mm	60 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A18	000000
				1.5 mm	1.485 mm to 1.5000 mm			4 mm	7.5 mm	60 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A19	000000
				2 mm	1.985 mm to 2.0000 mm			4 mm	10 mm	60 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A21	000000
				3 mm	2.985 mm to 3.0000 mm			6 mm	15 mm	60 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A22	000000




								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


								1/16"	-0.001" to 0.0010"	1/8"	3/16"	1 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A123	000000
								3/32"	-0.001" to 0.0010"	1/8"	3/8"	1 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A133	000000
						1/8"		-0.001" to 0.0010"	1/8"	1/2"	1 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A143	000000
						1/8"	-0.001" to 0.0010"	1/8"	1"	3"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A144	000000
						3/16"	-0.001" to 0.0010"	3/16"	5/8"	2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A153	000000
						1/4"	-0.001" to 0.0010"	1/4"	3/4"	2 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A163	000000
						1/4"	-0.001" to 0.0010"	1/4"	1 1/4"	3"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A164	000000
						3/8"	-0.001" to 0.0010"	3/8"	7/8"	2 1/2"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A183	000000
						1/2"	-0.001" to 0.0010"	1/2"	1"	3"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A213	000000
						1/2"	-0.001" to 0.0010"	1/2"	2"	4"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Ball	3725A214	000000

Replaceable Carbide-Insert Square End Mill Holders for Manual Milling Machines


Square Cut Style	End Mill Body Shown with Inserts (Sold Separately)

Use these tools with low-horsepower, manual milling machines. They have clamps for holding inserts that do not have a mounting hole. Replaceable carbide-insert end mills reduce waste and cost in high-volume jobs—when the cutting edges dull, replace the carbide inserts instead of the entire tool. End mills have a square cut style for milling square slots, pockets, and edges. All are noncenter-cutting for operations where the sides of the teeth do most of the work, such as shoulder milling, contouring, and finishing. They cannot be used for plunge cuts.

R8 Taper Shank—R8-shank end mills have internal threads on the tapered end for connecting to a drawbar.

			Shank Thread
	Mill Dia.	Shank Dia.	Gender	Size	Overall Lg.	No. of Inserts Req.	Cut Style	Material	End Mill Type		Each
Round Shank



		3/4"	3/4"	—	—	3 7/8"	1	Square	Black-Oxide Steel	Noncenter Cutting	8902A31	000000


		1"	3/4"	—	—	3 7/8"	1	Square	Black-Oxide Steel	Noncenter Cutting	8902A32	000000
		1 1/4"	3/4"	—	—	3 7/8"	2	Square	Black-Oxide Steel	Noncenter Cutting	8902A34	000000
		1 3/8"	3/4"	—	—	3 7/8"	2	Square	Black-Oxide Steel	Noncenter Cutting	8902A36	000000
		1 1/2"	3/4"	—	—	3 7/8"	3	Square	Black-Oxide Steel	Noncenter Cutting	8902A37	000000
		1 1/2"	1"	—	—	3 7/8"	3	Square	Black-Oxide Steel	Noncenter Cutting	8902A38	000000
		2"	3/4"	—	—	3 7/8"	3	Square	Black-Oxide Steel	Noncenter Cutting	8902A44	000000
		2"	1"	—	—	6 1/4"	3	Square	Black-Oxide Steel	Noncenter Cutting	8902A52	000000


		R8 Taper Shank



				1"	—	Female	7/16"-20	5 7/8"	1	Square	Black-Oxide Steel	Noncenter Cutting	8902A33	000000


				1 1/4"	—	Female	7/16"-20	5 7/8"	2	Square	Black-Oxide Steel	Noncenter Cutting	8902A35	000000
				1 1/2"	—	Female	7/16"-20	5 7/8"	3	Square	Black-Oxide Steel	Noncenter Cutting	8902A39	000000
				1 5/8"	—	Female	7/16"-20	5 7/8"	3	Square	Black-Oxide Steel	Noncenter Cutting	8902A41	000000
				1 3/4"	—	Female	7/16"-20	5 7/8"	3	Square	Black-Oxide Steel	Noncenter Cutting	8902A43	000000
				2"	—	Female	7/16"-20	5 7/8"	3	Square	Black-Oxide Steel	Noncenter Cutting	8902A45	000000
				2 1/2"	—	Female	7/16"-20	5 7/8"	5	Square	Black-Oxide Steel	Noncenter Cutting	8902A56	000000
				3"	—	Female	7/16"-20	5 7/8"	5	Square	Black-Oxide Steel	Noncenter Cutting	8902A57	000000

Accessories and Replacements for End Mill Insert Holders

End Mill Inserts

Titanium Nitride (TiN)-Coated Carbide—Carbide inserts have a wear-resistant titanium-nitride (TiN) coating.

						Each		Package
	Tip Radius	Insert Code	Insert Size	Thk.	For Use On		Each	Pkg. Qty.		Pkg.
Titanium Nitride (TiN)-Coated Carbide



		1/64"	TPG-321	3/8"	1/8"	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	7376A171	000000	10	7376A255	000000


		1/32"	TPG-322	3/8"	1/8"	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	7376A172	00000	10	7376A357	00000
		3/64"	TPG-323	3/8"	1/8"	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	7376A193	00000	10	7376A52	00000
		1/16"	TPG-324	3/8"	1/8"	Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel	7376A194	00000	10	7376A573	00000

		Each
Replacement Clamp Screw	8902A65	00000
Replacement Hold-Down Clamp	8902A64	00000

Carbide Rounded-Edge Square End Mills for Carbon Fiber, Fiberglass, and Graphite


Rounded-Edge-Square Cut Style

A diamond coating on these end mills allows them to machine abrasive material, such as carbon fiber, fiberglass, and graphite. Good for long production runs, they run twice as fast as other carbide end mills and last up to 30 times longer. These end mills are made of solid carbide, making them harder, stronger, and more wear resistant than high-speed steel and cobalt steel for the longest life and best finish on materials. 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.

Often used for slotting and pocketing cuts in mold and die making, these end mills have a 90° profile and rounded corners, which reduce flute breakage and chipping. Also known as corner radius end mills. All are center cutting, allowing plunge cuts into a surface.

	Mill
	Dia.	Dia. Tolerance	Shank Dia.	Lg. of Cut	Corner Cut Radius	Overall Lg.	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Diamond-Coated Carbide







				4 Flutes

				1/8"	-0.002" to 0"	1/8"	1/8"	0.015"	3"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A22	0000000


				1/8"	-0.002" to 0"	1/8"	1/8"	0.031"	3"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A23	000000
				3/16"	-0.002" to 0"	3/16"	3/16"	0.062"	3"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A24	000000
				1/4"	-0.002" to 0"	1/4"	1/4"	0.015"	4"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A25	000000
				1/4"	-0.002" to 0"	1/4"	1/4"	0.03"	4"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A26	000000
				1/4"	-0.002" to 0"	1/4"	1/4"	0.062"	4"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A27	000000
				3/8"	-0.002" to 0"	3/8"	3/8"	0.015"	4"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A28	000000
				1/2"	-0.002" to 0"	1/2"	1/2"	0.015"	6"	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A29	000000
				3 mm	-0.05 mm to 0 mm	3 mm	3 mm	0.5 mm	75 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A11	000000
				4 mm	-0.05 mm to 0 mm	4 mm	4 mm	0.5 mm	75 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A12	000000
				6 mm	-0.05 mm to 0 mm	6 mm	6 mm	0.5 mm	100 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A13	000000


				6 mm	-0.05 mm to 0 mm	6 mm	6 mm	1 mm	100 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A14	000000
				8 mm	-0.05 mm to 0 mm	8 mm	8 mm	0.5 mm	100 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A15	000000
				8 mm	-0.05 mm to 0 mm	8 mm	8 mm	1 mm	100 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A16	000000
				10 mm	-0.05 mm to 0 mm	10 mm	10 mm	0.5 mm	125 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A17	000000
				10 mm	-0.05 mm to 0 mm	10 mm	10 mm	1 mm	125 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A18	000000
				12 mm	-0.05 mm to 0 mm	12 mm	12 mm	0.5 mm	150 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A19	000000
				12 mm	-0.05 mm to 0 mm	12 mm	12 mm	1 mm	150 mm	Equal	30°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Rounded-Edge Square	8215A21	000000

Carbide Square End Mills for Honeycomb Panels

5 Flutes

6 Flutes

8 Flutes

9 Flutes

Cut into the sides and make slots in honeycomb panels without damaging any layers. Honeycomb panels are commonly used in aerospace and automotive applications because they’re strong yet lightweight, but these same qualities make them difficult to machine. Unlike normal end mills, these have a left-hand helix and push material downward as they cut, preventing layers of the composite material from separating. The serrated edges break the honeycomb into small pieces, minimizing uncut fibers that can occur in composite material. A diamond coating on these end mills allows them to machine abrasive material, such as carbon fiber, fiberglass, and graphite.

They have a square end for milling square-bottomed slots, pockets, and edges. All are center cutting, allowing plunge cuts into a surface. They are good for long production runs. They run twice as fast as other carbide end mills and last up to 30 times longer.

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.

	Mill, mm
	Dia.	Dia. Tolerance	Shank Dia., mm	Lg. of Cut, mm	Overall Lg., mm	Flute Spacing	Helix Angle	For Use On	End Mill Type	Cut Style		Each
Diamond-Coated Carbide







				5 Flutes

				6	-0.02 to 0.08	6	18	70	Equal	15°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8388N11	0000000




						6 Flutes

						8	-0.02 to 0.08	8	24	80	Equal	15°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8388N12	000000




								8 Flutes

								10	-0.02 to 0.08	10	30	90	Equal	15°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8388N13	000000




										9 Flutes

										12	-0.02 to 0.08	12	36	110	Equal	15°	Carbon Fiber, Fiberglass, Graphite	Center Cutting	Square	8388N14	000000

Router Bits for Composites

The sharp cutting edges and flute shapes of these tools are specifically designed to cut through tough composite materials, such as carbon fiber and fiberglass, with minimal resistance. This means less strain on your router and more control when cutting, leading to smooth cuts. They're made of solid carbide for longer tool life and faster cutting speeds than high-speed steel.

Uncoated Carbide


Square Cut Style—Plunge-Cut	Square Cut Style—Plunge-Cut, Diamond-Pattern Flutes

Square Cut Style—Use bits with a square cut style to cut slots, pockets, and edges.

Plunge Cut—Plunge-cutting bits let you cut directly into the workpiece from above. Other bits are best for operations where the peripheral teeth do most of the work, such as trimming, contouring, and finishing.

Diamond-Pattern Flutes—Diamond-pattern flutes' small, staggered teeth aggressively cut, yet leave a smooth finish.

	Overall Lg.	For Tool Type	For Use On		Each
Square Cut Style—Plunge-Cut







	Diamond-Pattern Flutes

	1/8"	1/2"	1/8"	2"	CNC Machine	Carbon Fiber, Graphite, Composite	3334A11	0000000


	3/16"	5/8"	3/16"	2"	CNC Machine	Carbon Fiber, Graphite, Composite	3334A12	000000
	1/4"	3/4"	1/4"	2"	CNC Machine	Carbon Fiber, Graphite, Composite	3334A13	000000
	1/4"	1 1/2"	1/4"	3"	CNC Machine	Carbon Fiber, Graphite, Composite	3334A14	000000
	3/8"	1 1/8"	3/8"	3"	CNC Machine	Carbon Fiber, Graphite, Composite	3334A15	000000
	1/2"	1 1/8"	1/2"	3 1/2"	CNC Machine	Carbon Fiber, Graphite, Composite	3334A16	000000
	1/2"	2 1/8"	1/2"	4"	CNC Machine	Carbon Fiber, Graphite, Composite	3334A17	000000