Annular Cutter Pins | McMaster-Carr

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75 Products

Hollow-Core Cutters for Magnetic-Base Drills

Use these cutters with magnetic-base drills. Unlike drill bits, these cut only on the periphery of the hole and produce a solid slug. Also known as annular cutters.

High-Speed Steel—High-speed steel cutters have a bright finish and are for general purpose cutting.

Carbide-Tipped Steel—Carbide-tipped steel cutters last longer than high-speed steel and cobalt steel cutters and are for high-volume cutting of difficult-to-machine materials. Note: These cutters are more sensitive to shock and vibration compared to other cutters and should not be used with Jancy magnetic-base drill model USA101.

Hollow-Core Cutter Pilot Pins—Pilot pins align the cutter and eject the slug. They're also known as ejector pins.

	Cutters			Hollow-Core Cutter Pilot Pins
	Dia.	For Pilot Pin Dia.	Each		Each
High-Speed Steel







			1" Cutting Depth

			7/16"	3/16"	31315A108	000000	3124A81	000000


			1/2"	3/16"	31315A141	00000	3124A81	00000
			9/16"	1/4"	31315A112	00000	31315A252	00000
			5/8"	1/4"	31315A113	00000	31315A252	00000
			11/16"	1/4"	31315A114	00000	31315A252	00000
			3/4"	1/4"	31315A115	00000	31315A252	00000
			13/16"	1/4"	31315A116	00000	31315A252	00000
			7/8"	1/4"	31315A117	00000	31315A252	00000
			15/16"	1/4"	31315A118	00000	31315A252	00000
			1"	1/4"	31315A119	00000	31315A252	00000
			1 1/16"	1/4"	31315A121	00000	31315A252	00000


			1 1/8"	1/4"	31315A122	00000	31315A252	00000
			1 3/16"	1/4"	31315A123	00000	31315A252	00000
			1 1/4"	1/4"	31315A124	00000	31315A252	00000
			1 5/16"	1/4"	31315A125	00000	31315A252	00000
			1 3/8"	1/4"	31315A126	000000	31315A252	00000
			1 1/2"	1/4"	31315A128	000000	31315A252	00000
			1 5/8"	1/4"	31315A131	000000	31315A252	00000
			1 3/4"	1/4"	31315A133	000000	31315A252	00000
			2"	1/4"	31315A137	000000	31315A252	00000




					2" Cutting Depth

					7/16"	3/16"	31315A109	00000	3124A82	00000


					1/2"	3/16"	31315A241	00000	3124A82	00000
					9/16"	1/4"	31315A212	00000	31315A253	00000
					5/8"	1/4"	31315A213	00000	31315A253	00000
					11/16"	1/4"	31315A214	00000	31315A253	00000
					3/4"	1/4"	31315A215	00000	31315A253	00000
					13/16"	1/4"	31315A216	00000	31315A253	00000
					7/8"	1/4"	31315A217	00000	31315A253	00000
					15/16"	1/4"	31315A218	00000	31315A253	00000
					1"	1/4"	31315A219	000000	31315A253	00000
					1 1/16"	1/4"	31315A221	000000	31315A253	00000


					1 1/8"	1/4"	31315A222	000000	31315A253	00000
					1 3/16"	1/4"	31315A223	000000	31315A253	00000
					1 1/4"	1/4"	31315A224	000000	31315A253	00000
					1 5/16"	1/4"	31315A225	000000	31315A253	00000
					1 3/8"	1/4"	31315A226	000000	31315A253	00000
					1 1/2"	1/4"	31315A228	000000	31315A253	00000
					1 5/8"	1/4"	31315A231	000000	31315A253	00000
					1 3/4"	1/4"	31315A233	000000	31315A253	00000
					2"	1/4"	31315A237	000000	31315A253	00000


Carbide-Tipped Steel







					2" Cutting Depth

					1/2"	1/4"	3124A911	00000	31315A253	00000


					9/16"	1/4"	3124A912	00000	31315A253	00000
					5/8"	1/4"	3124A913	00000	31315A253	00000
					11/16"	5/16"	3118A111	000000	3118A141	00000
					3/4"	5/16"	3118A112	000000	3118A141	00000
					13/16"	5/16"	3118A113	000000	3118A141	00000
					7/8"	5/16"	3118A114	000000	3118A141	00000
					15/16"	5/16"	3118A115	000000	3118A141	00000
					1"	5/16"	3118A116	000000	3118A141	00000
					1 1/16"	5/16"	3118A117	000000	3118A141	00000
					1 1/8"	5/16"	3118A118	000000	3118A141	00000


					1 3/16"	5/16"	3118A119	000000	3118A141	00000
					1 1/4"	5/16"	3118A121	000000	3118A141	00000
					1 5/16"	5/16"	3118A122	000000	3118A141	00000
					1 3/8"	5/16"	3118A123	000000	3118A141	00000
					1 7/16"	5/16"	3118A124	000000	3118A141	00000
					1 1/2"	5/16"	3118A125	000000	3118A141	00000
					1 9/16"	5/16"	3118A126	000000	3118A141	00000
					1 5/8"	5/16"	3118A127	000000	3118A141	00000
					1 3/4"	5/16"	3118A129	000000	3118A141	00000
					1 13/16"	5/16"	3118A131	000000	3118A141	00000


			1 15/16"	5/16"	3118A133	000000	3118A141	00000
			2"	5/16"	3118A134	000000	3118A141	00000

Hollow-Core Cutter Arbor Adapters

You can also pair the cutters with an arbor adapter (sold separately) when using a manual drill press or milling machine.

For Carbide-Tipped Cutters—Arbor adapters for carbide-tipped steel cutters come with a pilot pin.

Round Shank—Arbor adapters for a round shank fit a drill chuck or an R8 collet on a milling machine.

Morse Taper Shank—Arbor adapters for a Morse Taper spindle are for use on a drill press.

	Machine Taper No.	For Machine Spindle Type	For Machine Spindle Taper No.	Shank Dia.	Overall Lg.	For Shank Size		Each
For Cobalt Steel and High-Speed Steel



	Round	—	—	—	3/4"	5 1/8"	—	31315A254	0000000


	Morse Taper	Morse 2	—	—	—	6 1/4"	—	31315A255	000000
	Morse Taper	Morse 3	—	—	—	6 1/4"	—	31315A251	000000


	For Carbide-Tipped Steel



			—	—	Morse Taper	Morse 2	—	160 mm	3/4"	3118A142	000000


			—	—	Morse Taper	Morse 3	—	190 mm	3/4"	3118A143	000000

Hollow-Core Cutter Kits for Magnetic-Base Drills

Kits include five cutters, a pilot pin, and a hex key. Unlike drill bits, these cut only on the periphery of the hole and produce a solid slug. For use with magnetic-base drills. They're also known as annular cutters. Pilot pins align the cutter and eject the slug. They're also known as ejector pins.

		Each
High-Speed Steel



	1"	31315A311	0000000


	2"	31315A312	000000

Hollow-Core Cutter Arbor Adapters

You can also pair the cutters with an arbor adapter (sold separately) when using a manual drill press or milling machine.

Round Shank—Arbor adapters for a round shank fit a drill chuck or an R8 collet on a milling machine.

Morse Taper Shank—Arbor adapters for a Morse Taper spindle are for use on a drill press.

	Machine Taper No.	Shank Dia.	Overall Lg.		Each
For Cobalt Steel and High-Speed Steel



	Round	—	3/4"	5 1/8"	31315A254	0000000


	Morse Taper	Morse 2	—	6 1/4"	31315A255	000000
	Morse Taper	Morse 3	—	6 1/4"	31315A251	000000