Magnetic Workholding Chucks

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Sinker Electrical Discharge Machines

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27 Products

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"	00000000	0000000


		5 1/8"	2"	115	Rare Earth	0.002"	Removable	3	M6	4 13/32"	00000000	000000
		6 1/4"	3"	30	Permanent	0.002"	Removable	4	1/4"-20	4"	00000000	00000000
		6 3/8"	2"	115	Rare Earth	0.002"	Removable	4	M8	5 1/2"	00000000	00000000
		7 3/4"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	00000000	00000000
		7 7/8"	2"	115	Rare Earth	0.002"	Removable	4	M8	7 3/32"	00000000	00000000
		9 7/8"	2 1/2"	115	Rare Earth	0.002"	Removable	4	M10	8 13/16"	00000000	00000000
		10 1/8"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	00000000	00000000
		11 7/8"	2 1/2"	115	Rare Earth	0.002"	Removable	4	M10	10 1/4"	00000000	00000000
		12 1/4"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	00000000	00000000
		15 3/4"	2 1/2"	115	Rare Earth	0.002"	Removable	6	M10	13 25/32"	00000000	00000000


		Standard Magnetic Pole Spacing



				4"	2"	115	Rare Earth	0.002"	Removable	3	M6	3 11/32"	00000000	000000


				5 1/8"	2"	115	Rare Earth	0.002"	Removable	3	M6	4 13/32"	00000000	000000
				5 1/2"	3"	30	Permanent	0.002"	Removable	4	1/4"-20	4"	00000000	00000000
				6 1/4"	3"	30	Permanent	0.002"	Removable	4	1/4"-20	4"	00000000	00000000
				6 3/8"	2"	115	Rare Earth	0.002"	Removable	4	M8	5 1/2"	00000000	00000000
				7 3/4"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	00000000	00000000
				7 7/8"	2"	115	Rare Earth	0.002"	Removable	4	M8	7 3/32"	00000000	00000000
				9 1/4"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	00000000	00000000
				9 7/8"	2 1/2"	115	Rare Earth	0.002"	Removable	4	M10	8 13/16"	00000000	00000000
				10 1/8"	3"	30	Permanent	0.002"	Removable	4	3/8"-16	5"	00000000	00000000
				11 7/8"	2 1/2"	115	Rare Earth	0.002"	Removable	4	M10	10 1/4"	00000000	00000000


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