Surface Grinders Vises | McMaster-Carr

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83 Products

Ultra-Precision Machine Vises

Designed for precision grinding and inspection, the construction of these vises ensures workpieces are held perfectly square. To move the jaw, remove the screw using a _1/4" hex key (not included) and manually slide the jaw into position. Then replace the screw and tighten to firmly grip the workpiece. The base and three sides of the vise are ground flat to a parallel tolerance of 0.0002", enabling mounting on its base, either side, or upright. Mount through the base with screws or use setup clamps (not included). Vises can be used on Bridgeport-style milling machines as well as drill presses and surface grinders. They are also known as toolmakers’ vises.

With Flat Jaws

	Jaw								Body					Mounting Holes
	Wd.	Ht.	Max. Opening	Material	Texture	Replaceable	Parallel Tolerance	Overall Ht.	Lg.	Material	Base/Bed Parallel Tolerance	Mount Type	Mounting Fasteners Included	No. of	Dia.	Ctr.-to-Ctr.		Each
Fixed Base



		2"	1"	3 1/4"	Steel	Smooth, Grooved	Yes	0.0002"	2"	5 7/8"	Steel	0.0002"	Bolt On	No	4	5/16"	1"	5218A52	0000000


		3"	1 5/16"	4 3/4"	Steel	Smooth, Grooved	No	0.0002"	2 5/8"	7 1/2"	Steel	0.0002"	Bolt On, Clamp On	No	4	5/16"	—	5218A54	00000000

Machine Vises

Our basic machine vises, these are used on Bridgeport-style milling machines as well as drill presses and surface grinders.

With Flat Jaws

Swivel Base—Vises with swivel base rotate 360° and can be locked in place.

Grooved Jaw—Vises with smooth and grooved jaws have one smooth jaw and one grooved jaw for clamping flat, round, and uneven workpieces.

	Jaw							Body						Mounting Holes
	Wd.	Ht.	Max. Opening	Material	Texture	Replaceable	Overall Ht.	Lg.	Material	Base/Bed Parallel Tolerance	Base Graduations	Mount Type	Mounting Fasteners Included	No. of	Dia.	Ctr.-to-Ctr.		Each
Fixed Base



		4"	1 3/4"	4"	Steel	Smooth, Grooved	Yes	3 3/8"	8 3/4"	Iron	0.001"	—	Bolt On	No	2	9/16"	4 5/8"	5265A8	0000000


		6"	2"	6"	Steel	Smooth, Grooved	Yes	3 7/8"	11 1/2"	Iron	0.001"	—	Bolt On	No	2	5/8"	6 1/2"	5265A9	000000


		360° Swivel Base



				4"	1 1/2"	4"	Steel	Smooth	Yes	4 9/16"	14 7/16"	Iron	0.002"	1°	Bolt On	No	2	1/2"	4 7/16"	5240A41	000000


				6"	2"	6"	Steel	Smooth	Yes	6 3/16"	20 3/16"	Iron	0.002"	1°	Bolt On	No	2	5/8"	6 7/16"	5240A43	000000

Air-Powered Machine Vises

Compressed air controlled by a foot pedal allows hands-free operation. Step on the pedal to instantly close the moving jaw; step again to release it. Use these vises in production applications with frequent insertion and removal of workpieces on Bridgeport-style milling machines and drill presses. Vises with a jaw height of 1 _1/4", 1 _5/16", and 2 _1/2" can also be used on surface grinders.

To calculate the gripping force on your workpiece, multiply your inlet air pressure by the gripping force factor. Add an air regulator to control force.

With Flat Jaws


Fixed Base—Single Acting	Fixed Base—Double Acting

Single Acting—Single-acting vises require the jaw to be manually set to the desired position before use, so these vises are best for repetitive clamping of consistent workpiece sizes. Once the jaw is set, activating the air pressure will move the jaw up to 5/8" to clamp. When air pressure is released, a spring return inside the air cylinder returns the jaw to the set position.

Double Acting—Double-acting vises use air pressure to open and close the jaws without manual adjustment, making these vises a good choice when clamping workpieces of varying size.

	Jaw						Air Inlet						Body				Mounting Holes
	Wd.	Ht.	Max. Opening	Material	Texture	Replaceable	Pipe Size	Thread Type	Gender	Max. Pressure, psi	Gripping Force Factor	Overall Ht.	Lg.	Material	Mount Type	Mounting Fasteners Included	No. of	Dia.	Includes		Each
Fixed Base—Single Acting



		3"	1 1/4"	3 1/8"	Steel	Smooth	Yes	1/4	NPSM	Male	120	15	5 3/8"	10 1/4"	Iron	Bolt On	No	4	17/32"	Two 5-ft. Long Air Hoses	5269A24	0000000


		4"	1 5/16"	4 5/8"	Steel	Smooth	Yes	1/4	NPSM	Male	120	15	5 3/8"	13 1/2"	Iron	Bolt On	No	4	21/32"	Two 5-ft. Long Air Hoses	5269A21	000000


		Fixed Base—Double Acting



				3"	1 1/4"	3 1/8"	Steel	Smooth	Yes	1/4	NPSM	Male	120	15	5 3/8"	13 11/16"	Iron	Bolt On	No	4	17/32"	Three 5-ft. Long Air Hoses	5269A25	000000


				4"	1 5/16"	5"	Steel	Smooth	Yes	1/4	NPSM	Male	120	15	5 3/8"	18 1/4"	Iron	Bolt On	No	4	21/32"	Three 5-ft. Long Air Hoses	5269A22	000000
				6"	2 1/2"	7 3/8"	Steel	Smooth	Yes	1/4	NPSM	Male	120	19	6 17/32"	25 5/8"	Iron	Bolt On	No	4	11/16"	Three 5-ft. Long Air Hoses	5269A23	00000000

Magnetic Workholding Plates

The entire surface of these plates is magnetic to provide a powerful hold for grinding, drilling, and electrical discharge machining (EDM). They’re useful when clamps would interfere with your process and when there aren’t any convenient spots for clamping material. Pull the handle to switch the magnets on and off. Use the mounting clamps to secure the plate to your machine table and the removable back and side rails to keep your workpiece in position. Plates are sealed against dirt and liquid so they can be submerged in oil baths. They are not recommended for processes where workpieces are submerged in water.

Fine Magnetic Pole Spacing—Fine magnetic pole spacing provides the best hold on small or thin (_1/4" or less) parts.

Standard Magnetic Pole Spacing—Standard magnetic pole spacing is suitable for most applications. It will provide the best grip on large or thick parts.

Fine and Standard Magnetic Pole Spacing—Plates with fine and standard magnetic pole spacing have more than twice the holding power of other plates. Use them with large and small parts.

	Overall
	Lg.	Wd.	Ht.	Max. Holding Power, psi	Magnet Type	Parallel Tolerance	Handle Attachment Permanence	No. of Mounting Clamps Included	Mounting Clamp Hole Dia.		Each
Fine Magnetic Pole Spacing



		7 1/2"	4"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A31	000000000


		10 1/2"	5"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A33	00000000
		12 1/2"	6"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A65	00000000
		12 1/2"	8"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A73	00000000
		12 1/2"	12"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A87	00000000
		14 1/2"	6"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A71	00000000
		15 1/2"	8"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A75	00000000
		15 1/2"	10"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A81	00000000
		18 1/2"	6"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A37	00000000
		18 1/2"	8"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A77	00000000
		18 1/2"	10"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A83	00000000


		18 1/2"	12"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A89	00000000
		24 1/2"	10"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A85	00000000
		24 1/2"	12"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A92	00000000


		Standard Magnetic Pole Spacing



				7 1/2"	4"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A58	00000000


				10 1/2"	5"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A11	00000000
				12 1/2"	6"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A12	00000000
				12 1/2"	8"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A72	00000000
				12 1/2"	12"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A86	00000000
				14 1/2"	6"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A59	00000000
				15 1/2"	8"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A74	00000000
				15 1/2"	10"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A79	00000000
				18 1/2"	6"	2 3/4"	40	Permanent	0.002"	Removable	2	9/16"	5016A13	00000000
				18 1/2"	8"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A76	00000000
				18 1/2"	10"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A82	00000000


				18 1/2"	12"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A88	00000000
				24 1/2"	8"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A78	00000000
				24 1/2"	10"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A84	00000000
				24 1/2"	12"	2 3/4"	40	Permanent	0.002"	Permanent	2	9/16"	5016A91	00000000


				Fine and Standard Magnetic Pole Spacing



						4 3/4"	4"	2 1/2"	90	Permanent	0.002"	Permanent	2	9/16"	5016A41	00000000


						7 1/4"	6 1/2"	2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A44	00000000
						9 1/4"	4"	2 1/2"	90	Permanent	0.002"	Permanent	2	9/16"	5016A42	00000000
						11 1/4"	6"	2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A45	00000000
						13 1/4"	5"	2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A43	00000000
						15 1/2"	6"	2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A46	00000000
						15 3/4"	8"	2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A47	00000000
						15 3/4"	10"	2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A52	00000000
						18 3/4"	8"	2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A48	00000000
						18 3/4"	10"	2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A53	00000000
18 3/4"						12"	3 1/2"	90	Permanent	0.002"	Permanent	2	9/16"	5016A56	00000000


20 3/4"	8"					2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A49	00000000
20 3/4"	10"					2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A54	00000000
24 3/4"	8"					2 3/4"	90	Permanent	0.002"	Permanent	2	9/16"	5016A51	00000000
24 3/4"	10"					3 1/2"	90	Permanent	0.002"	Permanent	2	9/16"	5016A55	00000000
24 3/4"	12"					3 1/2"	90	Permanent	0.002"	Permanent	2	9/16"	5016A57	000000000

Magnetic Workholding Chucks

To grind, drill, lightly mill, and machine parts that rotate around an axis, these chucks hold parts in place magnetically so you can access their inner and outer diameters. Use them when clamps will not fit or could damage the part’s finish. To switch the magnetic grip on and off, pull their handle. They have mounting holes for fitting in your machine, or your machine’s chuck can hold them.

Fine Magnetic Pole Spacing—Chucks with fine magnetic pole spacing hold parts that are smaller or thinner than _1/4".

Standard Magnetic Pole Spacing—Chucks with standard magnetic pole spacing grip large and thick parts. They’re good for most applications.

	Overall						Mounting Holes
	Dia.	Ht.	Max. Holding Power, psi	Magnet Type	Parallel Tolerance	Handle Attachment Permanence	No. of	Thread Size	Ctr.-to-Ctr.		Each
Fine Magnetic Pole Spacing



		4"	2"	115	Rare Earth	0.002"	Removable	3	M6	3 11/32"	9090N133	0000000


		5 1/8"	2"	115	Rare Earth	0.002"	Removable	3	M6	4 13/32"	9090N134	000000
		6 1/4"	3"	30	Permanent	0.002"	Removable	4	1/4"-20	4"	9090N121	00000000
		6 3/8"	2"	115	Rare Earth	0.002"	Removable	4	M8	5 1/2"	9090N135	00000000
		7 3/4"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	9090N122	00000000
		7 7/8"	2"	115	Rare Earth	0.002"	Removable	4	M8	7 3/32"	9090N136	00000000
		9 7/8"	2 1/2"	115	Rare Earth	0.002"	Removable	4	M10	8 13/16"	9090N137	00000000
		10 1/8"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	9090N123	00000000
		11 7/8"	2 1/2"	115	Rare Earth	0.002"	Removable	4	M10	10 1/4"	9090N138	00000000
		12 1/4"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	9090N124	00000000
		15 3/4"	2 1/2"	115	Rare Earth	0.002"	Removable	6	M10	13 25/32"	9090N139	00000000


		Standard Magnetic Pole Spacing



				4"	2"	115	Rare Earth	0.002"	Removable	3	M6	3 11/32"	9090N125	000000


				5 1/8"	2"	115	Rare Earth	0.002"	Removable	3	M6	4 13/32"	9090N126	000000
				5 1/2"	3"	30	Permanent	0.002"	Removable	4	1/4"-20	4"	9090N111	00000000
				6 1/4"	3"	30	Permanent	0.002"	Removable	4	1/4"-20	4"	9090N112	00000000
				6 3/8"	2"	115	Rare Earth	0.002"	Removable	4	M8	5 1/2"	9090N127	00000000
				7 3/4"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	9090N113	00000000
				7 7/8"	2"	115	Rare Earth	0.002"	Removable	4	M8	7 3/32"	9090N128	00000000
				9 1/4"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	9090N114	00000000
				9 7/8"	2 1/2"	115	Rare Earth	0.002"	Removable	4	M10	8 13/16"	9090N129	00000000
				10 1/8"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	9090N115	00000000
				11 7/8"	2 1/2"	115	Rare Earth	0.002"	Removable	4	M10	10 1/4"	9090N131	00000000


				12 1/4"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	9090N116	00000000
				15 1/4"	3 1/2"	30	Permanent	0.002"	Removable	6	5/16"-18	7 3/8"	9090N117	00000000
				15 3/4"	2 1/2"	115	Rare Earth	0.002"	Removable	6	M10	13 25/32"	9090N132	00000000
				16 1/4"	3"	30	Permanent	0.002"	Removable	6	3/8"-16	9"	9090N118	00000000
				20 1/4"	3 1/2"	30	Permanent	0.002"	Removable	6	3/8"-16	12 13/32"	9090N119	000000000