N52 Magnets | McMaster-Carr

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225 Products

About Magnets

Choose a magnet with the right strength, material, and temperature resistance for your application.

Mount Type

Plain Back

Our standard magnets to hang, secure, and position metal objects

201 products

Adhesive Back

Stick in place for fast, tool-free mounting

18 products

Mount Type

Unthreaded Hole

Mount with pins, bolts, or rivets

6 products

Construction

Encased

Won’t crack or chip when bumped or dropped

6 products

Neodymium Disc Magnets

Unmatched strength in a compact shape. These magnets have the highest strength-to-size ratio of any magnet, delivering powerful pull force even in tight spaces. Their flat, round shape creates a strong, even pull across surfaces for reliable holding power. However, they may lose magnetic strength at high temperatures. Also known as rare earth magnets.

Warning: Maximum pull ratings are based on direct contact with rust-free, unpainted iron surfaces. Variations in material condition will significantly reduce these ratings. Do not use for lifting over people.

Standard Magnets


Magnetized Through Thickness	Magnetized Through Diameter

Magnetized Through Thickness—Magnetized from one flat face to the other, these magnets deliver a concentrated magnetic force. They’re best for direct contact with flat surfaces.

Magnetized Through Diameter—Magnetized outward from the center, these magnets generate a circular magnetic field. This makes them best for sensors and motors where rotational symmetry and precise angles are key.

Nickel Plated—With a nickel-plated finish, these magnets stand up to solvents, salt water, and chemicals better than uncoated neodymium. The plating may wear off over time, so these are not recommended for applications with a lot of friction or wear.

								Each
	OD	Max. Pull, lbf	Max. Temp., ° F	Magnet Grade	Direction of Magnetization	Finish		1-49	50-Up
0.04" Thick



		0.1"	0.2	130	N52	Through Thickness	Nickel Plated	5862K425	00000	00000


		1/8"	0.3	175	N52	Through Thickness	Nickel Plated	5862K401	0000	0000
		5/32"	0.4	175	N52	Through Thickness	Nickel Plated	5862K402	0000	0000


		1/16" Thick



				1/16"	0.1	175	N52	Through Thickness	Nickel Plated	5862K137	0000	0000


				1/16"	0.9	175	N52	Through Diameter	Nickel Plated	5862K409	0000	0000
				5/64"	0.2	175	N52	Through Thickness	Nickel Plated	5862K403	0000	0000
				0.1"	0.4	130	N52	Through Thickness	Nickel Plated	5862K426	0000	0000
				1/8"	0.33	175	N52	Through Diameter	Nickel Plated	5862K411	0000	0000
				1/8"	0.5	175	N52	Through Thickness	Nickel Plated	5862K138	0000	0000
				3/16"	0.38	175	N52	Through Diameter	Nickel Plated	5862K412	0000	0000
				3/16"	0.9	175	N52	Through Thickness	Nickel Plated	5862K139	0000	0000
				1/4"	0.54	175	N52	Through Diameter	Nickel Plated	5862K413	0000	0000
				1/4"	1.4	175	N52	Through Thickness	Nickel Plated	5862K141	0000	0000
				5/16"	2	175	N52	Through Thickness	Nickel Plated	5862K142	0000	0000


				5/16"	2.1	130	N52	Through Diameter	Nickel Plated	5862K429	0000	0000
				3/8"	0.63	175	N52	Through Diameter	Nickel Plated	5862K414	0000	0000
				3/8"	2.6	175	N52	Through Thickness	Nickel Plated	5862K143	0000	0000
				7/16"	3.1	175	N52	Through Thickness	Nickel Plated	5862K144	0000	0000
				1/2"	3.8	175	N52	Through Thickness	Nickel Plated	5862K145	0000	0000
				1/2"	3.9	130	N52	Through Diameter	Nickel Plated	5862K431	0000	0000
				9/16"	4.3	175	N52	Through Thickness	Nickel Plated	5862K146	0000	0000
				5/8"	4.9	175	N52	Through Thickness	Nickel Plated	5862K147	0000	0000
				11/16"	6	175	N52	Through Thickness	Nickel Plated	5862K148	0000	0000
				3/4"	6	175	N52	Through Thickness	Nickel Plated	5862K149	0000	0000


				13/16"	6	175	N52	Through Thickness	Nickel Plated	5862K151	0000	0000
				7/8"	7	175	N52	Through Thickness	Nickel Plated	5862K152	0000	0000
				15/16"	8	175	N52	Through Thickness	Nickel Plated	5862K153	0000	0000
				1"	8	175	N52	Through Thickness	Nickel Plated	5862K154	0000	0000


				0.08" Thick



						5/16"	2.5	175	N52	Through Thickness	Nickel Plated	5862K404	0000	0000


						0.1" Thick



								1/8"	0.7	175	N52	Through Thickness	Nickel Plated	5862K405	0000	0000


								1/4"	2.1	175	N52	Through Thickness	Nickel Plated	5862K406	0000	0000
								3/8"	3.8	175	N52	Through Thickness	Nickel Plated	5862K407	0000	0000
								3/4"	9	175	N52	Through Thickness	Nickel Plated	5862K408	0000	0000


1/8" Thick



								1/16"	0.1	175	N52	Through Thickness	Nickel Plated	5862K155	0000	0000


								1/8"	0.8	175	N52	Through Thickness	Nickel Plated	5862K101	0000	0000
								3/16"	0.87	175	N52	Through Diameter	Nickel Plated	5862K415	0000	0000
								3/16"	1.6	175	N52	Through Thickness	Nickel Plated	5862K102	0000	0000
		1/4"						2.8	175	N52	Through Thickness	Nickel Plated	5862K103	0000	0000
		5/16"	1.57					175	N52	Through Diameter	Nickel Plated	5862K416	0000	0000
		5/16"	4.1					175	N52	Through Thickness	Nickel Plated	5862K156	0000	0000
		3/8"	5					175	N52	Through Thickness	Nickel Plated	5862K104	0000	0000
		7/16"	7					175	N52	Through Thickness	Nickel Plated	5862K157	0000	0000
		1/2"	8					175	N52	Through Thickness	Nickel Plated	5862K105	0000	0000
		9/16"	9					175	N52	Through Thickness	Nickel Plated	5862K158	0000	0000


		5/8"	10					175	N52	Through Thickness	Nickel Plated	5862K159	0000	0000
		11/16"	11					175	N52	Through Thickness	Nickel Plated	5862K161	0000	0000
		3/4"	12					175	N52	Through Thickness	Nickel Plated	5862K106	0000	0000
		13/16"	13					175	N52	Through Thickness	Nickel Plated	5862K162	0000	0000
		7/8"	14					175	N52	Through Thickness	Nickel Plated	5862K163	0000	0000
		15/16"	15					175	N52	Through Thickness	Nickel Plated	5862K164	0000	0000
		1"	16					175	N52	Through Thickness	Nickel Plated	5862K107	0000	0000
		1 1/8"	18					175	N52	Through Thickness	Nickel Plated	5862K258	00000	0000
		1 1/4"	20					175	N52	Through Thickness	Nickel Plated	5862K259	00000	00000
		1 3/8"	23					175	N52	Through Thickness	Nickel Plated	5862K261	00000	00000


		1 1/2"	25					175	N52	Through Thickness	Nickel Plated	5862K262	00000	00000
		1 3/4"	30					175	N52	Through Thickness	Nickel Plated	5862K264	00000	00000
		1 7/8"	33					175	N52	Through Thickness	Nickel Plated	5862K265	00000	00000
		2"	35					175	N52	Through Thickness	Nickel Plated	5862K266	00000	00000
		2 1/4"	40					175	N52	Through Thickness	Nickel Plated	5862K267	00000	00000
		2 1/2"	44					175	N52	Through Thickness	Nickel Plated	5862K268	00000	00000
		2 3/4"	48					175	N52	Through Thickness	Nickel Plated	5862K269	00000	00000
		3"	50					175	N52	Through Thickness	Nickel Plated	5862K271	000000	00000


		3/16" Thick



								1/16"	0.1	175	N52	Through Thickness	Nickel Plated	5862K165	0000	0000


				1/8"				0.67	175	N52	Through Diameter	Nickel Plated	5862K417	0000	0000
				1/8"	0.9			175	N52	Through Thickness	Nickel Plated	5862K166	0000	0000
				3/16"	1.35			175	N52	Through Diameter	Nickel Plated	5862K418	0000	0000
				3/16"	2.2			175	N52	Through Thickness	Nickel Plated	5862K108	0000	0000
				1/4"	1.94			175	N52	Through Diameter	Nickel Plated	5862K419	0000	0000
				1/4"	3.7			175	N52	Through Thickness	Nickel Plated	5862K109	0000	0000
				5/16"	5			175	N52	Through Thickness	Nickel Plated	5862K167	0000	0000
				3/8"	2.8	175		N52	Through Diameter	Nickel Plated	5862K421	0000	0000
				3/8"	7	175	N52	Through Thickness	Nickel Plated	5862K111	0000	0000
				7/16"	9	175	N52	Through Thickness	Nickel Plated	5862K168	0000	0000


				1/2"	3.37	175	N52	Through Diameter	Nickel Plated	5862K422	0000	0000
				1/2"	11	175	N52	Through Thickness	Nickel Plated	5862K112	0000	0000
				9/16"	13	175	N52	Through Thickness	Nickel Plated	5862K169	0000	0000
				5/8"	16	175	N52	Through Thickness	Nickel Plated	5862K171	0000	0000
				11/16"	17	175	N52	Through Thickness	Nickel Plated	5862K172	0000	0000
3/4"				19	175	N52	Through Thickness	Nickel Plated	5862K173	0000	0000
13/16"	22			175	N52	Through Thickness	Nickel Plated	5862K174	0000	0000
7/8"	24			175	N52	Through Thickness	Nickel Plated	5862K175	0000	0000
15/16"	26			175	N52	Through Thickness	Nickel Plated	5862K176	0000	0000
1"	28			175	N52	Through Thickness	Nickel Plated	5862K113	0000	0000


1 1/8"	31			175	N52	Through Thickness	Nickel Plated	5862K272	00000	00000
1 1/4"	33			175	N52	Through Thickness	Nickel Plated	5862K273	00000	00000
1 3/8"	36			175	N52	Through Thickness	Nickel Plated	5862K274	00000	00000
1 1/2"	36			175	N52	Through Thickness	Nickel Plated	5862K275	00000	00000
1 5/8"	39			175	N52	Through Thickness	Nickel Plated	5862K276	00000	00000
1 3/4"	40			175	N52	Through Thickness	Nickel Plated	5862K277	00000	00000
1 7/8"	43			175	N52	Through Thickness	Nickel Plated	5862K278	00000	00000
2"	45			175	N52	Through Thickness	Nickel Plated	5862K279	00000	00000


1/4" Thick



				1/16"	0.1	175	N52	Through Thickness	Nickel Plated	5862K177	0000	0000


				1/8"	1	175	N52	Through Thickness	Nickel Plated	5862K114	0000	0000
				3/16"	1.8	175	N52	Through Diameter	Nickel Plated	5862K423	0000	0000
				3/16"	2.4	175	N52	Through Thickness	Nickel Plated	5862K115	0000	0000
				1/4"	4.1	175	N52	Through Thickness	Nickel Plated	5862K116	0000	0000
				5/16"	6	175	N52	Through Thickness	Nickel Plated	5862K178	0000	0000
				3/8"	8	175	N52	Through Thickness	Nickel Plated	5862K117	0000	0000
				7/16"	11	175	N52	Through Thickness	Nickel Plated	5862K179	0000	0000
				1/2"	13	175	N52	Through Thickness	Nickel Plated	5862K118	0000	0000
				9/16"	16	175	N52	Through Thickness	Nickel Plated	5862K181	0000	0000
				5/8"	19	175	N52	Through Thickness	Nickel Plated	5862K119	0000	0000


				11/16"	21	175	N52	Through Thickness	Nickel Plated	5862K182	0000	0000
				3/4"	23	175	N52	Through Thickness	Nickel Plated	5862K121	0000	0000
				13/16"	22	175	N52	Through Thickness	Nickel Plated	5862K281	00000	00000
				7/8"	22	175	N52	Through Thickness	Nickel Plated	5862K252	00000	0000
				15/16"	31	175	N52	Through Thickness	Nickel Plated	5862K282	00000	00000
				1"	38	175	N52	Through Thickness	Nickel Plated	5862K253	00000	00000
		1 1/8"		37	175	N52	Through Thickness	Nickel Plated	5862K283	00000	00000
		1 1/4"	38	175	N52	Through Thickness	Nickel Plated	5862K284	00000	00000
		1 3/8"	40	175	N52	Through Thickness	Nickel Plated	5862K285	00000	00000
		1 1/2"	42	175	N52	Through Thickness	Nickel Plated	5862K286	00000	00000


		1 5/8"	45	175	N52	Through Thickness	Nickel Plated	5862K287	00000	00000
		1 3/4"	50	175	N52	Through Thickness	Nickel Plated	5862K288	00000	00000
		1 7/8"	53	175	N52	Through Thickness	Nickel Plated	5862K289	00000	00000
		2"	55	175	N52	Through Thickness	Nickel Plated	5862K291	00000	00000
		2 1/4"	61	175	N52	Through Thickness	Nickel Plated	5862K292	00000	00000
		2 3/4"	74	175	N52	Through Thickness	Nickel Plated	5862K294	000000	00000
		3"	81	175	N52	Through Thickness	Nickel Plated	5862K295	000000	000000


		3/8" Thick



				1/16"	0.2	175	N52	Through Thickness	Nickel Plated	5862K183	0000	0000


				1/8"	1	175	N52	Through Thickness	Nickel Plated	5862K122	0000	0000
				1/8"	1.1	130	N52	Through Diameter	Nickel Plated	5862K432	0000	0000
				3/16"	2.4	175	N52	Through Thickness	Nickel Plated	5862K184	0000	0000
				3/16"	2.5	130	N52	Through Diameter	Nickel Plated	5862K433	0000	0000
				1/4"	3.73	175	N52	Through Diameter	Nickel Plated	5862K424	0000	0000
				1/4"	4.4	175	N52	Through Thickness	Nickel Plated	5862K185	0000	0000
				5/16"	7	175	N52	Through Thickness	Nickel Plated	5862K186	0000	0000
				3/8"	10	175	N52	Through Thickness	Nickel Plated	5862K123	0000	0000
				7/16"	13	175	N52	Through Thickness	Nickel Plated	5862K187	0000	0000
				1/2"	17	175	N52	Through Thickness	Nickel Plated	5862K124	0000	0000


				9/16"	20	175	N52	Through Thickness	Nickel Plated	5862K296	00000	0000
				5/8"	24	175	N52	Through Thickness	Nickel Plated	5862K297	0000	0000
				11/16"	27	175	N52	Through Thickness	Nickel Plated	5862K298	00000	0000
				3/4"	30	175	N52	Through Thickness	Nickel Plated	5862K299	00000	0000
				13/16"	35	175	N52	Through Thickness	Nickel Plated	5862K301	00000	00000
				7/8"	39	175	N52	Through Thickness	Nickel Plated	5862K302	00000	00000
15/16"				43	175	N52	Through Thickness	Nickel Plated	5862K303	00000	00000
1"	47			175	N52	Through Thickness	Nickel Plated	5862K304	00000	00000
1 1/8"	53			175	N52	Through Thickness	Nickel Plated	5862K305	00000	00000
1 1/4"	60			175	N52	Through Thickness	Nickel Plated	5862K306	00000	00000


1 3/8"	66			175	N52	Through Thickness	Nickel Plated	5862K307	00000	00000
1 1/2"	72			175	N52	Through Thickness	Nickel Plated	5862K308	00000	00000
1 5/8"	67			175	N52	Through Thickness	Nickel Plated	5862K309	00000	00000
1 7/8"	96			175	N52	Through Thickness	Nickel Plated	5862K312	00000	00000
2"	97			175	N52	Through Thickness	Nickel Plated	5862K313	00000	00000


1/2" Thick



				1/16"	0.2	175	N52	Through Thickness	Nickel Plated	5862K188	0000	0000


				1/8"	1	175	N52	Through Thickness	Nickel Plated	5862K125	0000	0000
				3/16"	2.5	175	N52	Through Thickness	Nickel Plated	5862K126	0000	0000
				1/4"	4.7	175	N52	Through Thickness	Nickel Plated	5862K127	0000	0000
				5/16"	8	175	N52	Through Thickness	Nickel Plated	5862K189	0000	0000
				3/8"	11	175	N52	Through Thickness	Nickel Plated	5862K128	0000	0000
				7/16"	14	175	N52	Through Thickness	Nickel Plated	5862K191	0000	0000
				1/2"	18	175	N52	Through Thickness	Nickel Plated	5862K129	0000	0000
				9/16"	23	175	N52	Through Thickness	Nickel Plated	5862K314	00000	00000
				5/8"	24	175	N52	Through Thickness	Nickel Plated	5862K254	00000	00000
				11/16"	31	175	N52	Through Thickness	Nickel Plated	5862K315	00000	00000


				3/4"	36	175	N52	Through Thickness	Nickel Plated	5862K255	00000	00000
				13/16"	40	175	N52	Through Thickness	Nickel Plated	5862K316	00000	00000
				7/8"	39	175	N52	Through Thickness	Nickel Plated	5862K256	00000	00000
				15/16"	50	175	N52	Through Thickness	Nickel Plated	5862K317	00000	00000
				1"	54	175	N52	Through Thickness	Nickel Plated	5862K257	00000	00000
				1 1/8"	67	175	N52	Through Thickness	Nickel Plated	5862K318	00000	00000
				1 1/4"	76	175	N52	Through Thickness	Nickel Plated	5862K319	00000	00000
				1 3/8"	84	175	N52	Through Thickness	Nickel Plated	5862K321	00000	00000
				1 1/2"	89	175	N52	Through Thickness	Nickel Plated	5862K322	00000	00000
		1 5/8"		98	175	N52	Through Thickness	Nickel Plated	5862K323	00000	00000


		1 3/4"	105	175	N52	Through Thickness	Nickel Plated	5862K324	00000	00000
		1 7/8"	111	175	N52	Through Thickness	Nickel Plated	5862K325	000000	00000
		2"	130	175	N52	Through Thickness	Nickel Plated	5862K326	000000	00000
		2 1/2"	157	175	N52	Through Thickness	Nickel Plated	5862K328	000000	000000
		2 3/4"	171	175	N52	Through Thickness	Nickel Plated	5862K329	000000	000000
		3"	184	175	N52	Through Thickness	Nickel Plated	5862K331	000000	000000


		3/4" Thick



				1/4"	5	175	N52	Through Thickness	Nickel Plated	5862K131	0000	0000


				3/8"	11	175	N52	Through Thickness	Nickel Plated	5862K192	0000	0000
				1/2"	19	175	N52	Through Thickness	Nickel Plated	5862K132	0000	0000
				5/8"	31	175	N52	Through Thickness	Nickel Plated	5862K332	00000	00000
				3/4"	40	175	N52	Through Thickness	Nickel Plated	5862K333	00000	00000
				1"	69	175	N52	Through Thickness	Nickel Plated	5862K335	00000	00000
				1 1/2"	115	175	N52	Through Thickness	Nickel Plated	5862K336	000000	00000
				3"	353	175	N52	Through Thickness	Nickel Plated	5862K339	000000	000000


				1" Thick



						1/4"	5	175	N52	Through Thickness	Nickel Plated	5862K133	0000	0000


						3/8"	11	175	N52	Through Thickness	Nickel Plated	5862K134	0000	0000
						1/2"	21	175	N52	Through Thickness	Nickel Plated	5862K135	00000	0000
						5/8"	33	175	N52	Through Thickness	Nickel Plated	5862K341	00000	00000
3/4"						45	175	N52	Through Thickness	Nickel Plated	5862K342	00000	00000
7/8"	58					175	N52	Through Thickness	Nickel Plated	5862K343	00000	00000
1"	76					175	N52	Through Thickness	Nickel Plated	5862K344	00000	00000
1 1/2"	150					175	N52	Through Thickness	Nickel Plated	5862K136	00000	00000
2"	258					175	N52	Through Thickness	Nickel Plated	5862K193	000000	00000
2 1/2"	376					175	N52	Through Thickness	Nickel Plated	5862K194	000000	000000
3"	495					175	N52	Through Thickness	Nickel Plated	5862K195	000000	000000


2" Thick



						19/64"	7	130	N52	Through Thickness	Nickel Plated	5862K427	00000	00000


						4" Thick



								1/4"	5	130	N52	Through Thickness	Nickel Plated	5862K428	00000	00000

Magnets With Adhesive Back


	Magnetized Through Thickness	Adhesive on North Pole	Adhesive on South Pole

Magnetized Through Thickness—Magnetized from one flat face to the other, these magnets deliver a concentrated magnetic force. They’re best for direct contact with flat surfaces.

										North Pole			South Pole
						Adhesive					Each			Each
	OD	Max. Pull, lbf	Max. Temp., ° F	Magnet Grade	Direction of Magnetization	Material	Mfr.	Mfr. Model	Finish		1-49	50-Up		1-49	50-Up
1/16" Thick



		3/8"	2.5	175	N52	Through Thickness	—	3M	Very High Bond	Nickel Plated	7048T65	00000	00000	7048T59	00000	00000


		1/2"	3.6	175	N52	Through Thickness	—	3M	Very High Bond	Nickel Plated	7048T56	0000	0000	7048T61	0000	0000
		3/4"	6	175	N52	Through Thickness	—	3M	Very High Bond	Nickel Plated	7048T57	0000	0000	7048T62	0000	0000


		0.08" Thick



				1"	11	175	N52	Through Thickness	—	3M	Very High Bond	Nickel Plated	7048T58	0000	0000	7048T63	0000	0000


				0.1" Thick



						1/2"	4.6	175	N52	Through Thickness	Acrylic Plastic	—	—	Nickel Plated	7048T66	0000	0000	7048T67	0000	0000

Neodymium Rectangle Magnets

Unmatched strength in a compact shape. These magnets have the highest strength-to-size ratio of any magnet, delivering powerful pull force even in tight spaces. Their flat, rectangular shape creates a strong, even pull across surfaces and fits easily into slots or grooves. However, they may lose magnetic strength at high temperatures. Also known as rare earth magnets.

Standard Magnets


	Magnetized Through Thickness

Magnetized Through Thickness—Magnetized from one flat face to the other, these magnets deliver a concentrated magnetic force. They’re best for direct contact with flat surfaces.

									Each
	Wd.	Lg.	Max. Pull, lbf	Max. Temp., ° F	Magnet Grade	Direction of Magnetization	Finish		1-49	50-Up
3/8" Thick



		7/8"	1 7/8"	69	175	N52	Through Thickness	Nickel Plated	5848K42	000000	000000


		1/2" Thick



				1"	2"	96	175	N52	Through Thickness	Nickel Plated	5848K43	00000	00000


				2"	3"	171	175	N52	Through Thickness	Nickel Plated	5848K44	000000	000000


				3/4" Thick



						1"	2"	132	175	N52	Through Thickness	Nickel Plated	5848K45	00000	00000


						1" Thick



								1/2"	2"	94	175	N52	Through Thickness	Nickel Plated	5848K46	00000	00000

Magnets With Adhesive Back


	Magnetized Through Thickness

Adhesive on

North Pole

Adhesive on

South Pole

Magnetized Through Thickness—Magnetized from one flat face to the other, these magnets deliver a concentrated magnetic force. They’re best for direct contact with flat surfaces.

									North Pole			South Pole
										Each			Each
	Wd.	Lg.	Max. Pull, lbf	Max. Temp., ° F	Magnet Grade	Direction of Magnetization	Adhesive Material	Finish		1-49	50-Up		1-49	50-Up
0.055" Thick



		3/8"	1/2"	3.1	175	N52	Through Thickness	Acrylic Plastic	Nickel Plated	7048T68	00000	00000	———	0	0


		1/2"	3/4"	4.7	175	N52	Through Thickness	Acrylic Plastic	Nickel Plated	7048T75	0000	0000	7048T74	00000	00000
		3/4"	1"	6	175	N52	Through Thickness	Acrylic Plastic	Nickel Plated	7048T7	00000	0000	———	0	0


		0.1" Thick



				3/8"	1/2"	5	175	N52	Through Thickness	Acrylic Plastic	Nickel Plated	7048T71	0000	0000	———	0	0


				0.118" Thick



						5/16"	19/32"	7	175	N52	Through Thickness	Acrylic Plastic	Nickel Plated	7048T72	0000	0000	———	0	0


						1/8" Thick



								1/2"	1"	12	175	N52	Through Thickness	Acrylic Plastic	Nickel Plated	7048T73	0000	0000	———	0	0

Nonmarring Encased Neodymium Rectangle Magnets

These safeguarded magnets grip surfaces without marking them. The rubber-coated case protects metal housings and control panels from scratches and adds friction for a tight grip. It also shields the magnet from cracks and chips caused by drops and bumps. With the highest strength-to-size ratio of any magnet, these deliver powerful pull force even in tight spaces.

Warning: Maximum pull ratings are based on direct contact with rust-free, unpainted iron plate. Variations in material condition will significantly reduce these ratings. Do not use for lifting over people.

Magnets With Unthreaded Hole

Steel Case—Maximizes holding power by concentrating magnetic force.

										Each
	Thk.	Hole Dia.	Max. Pull, lbf	Max. Temp., ° F	Magnet Grade	Cover Material	For Screw Size	Color		1-49	50-Up
Steel Case



		1/4"	0.129"	17	160	N52	Silicone Rubber	No. 5	Black	5679K81	00000	00000


		1/4"	0.255"	30	160	N52	Silicone Rubber	1/4"	Black	5679K82	00000	00000
		1/4"	0.255"	34	160	N52	Silicone Rubber	1/4"	Black	5679K83	00000	00000
		1/4"	0.255"	37	160	N52	Silicone Rubber	1/4"	Black	5679K84	00000	00000

Neodymium Ball Magnets

Attract metal from all angles. These magnets create an even magnetic field around the sphere. They’re often used in rotating assemblies and sensor-calibration systems where full magnetic exposure is a must. With the highest strength-to-size ratio of any magnet, these deliver powerful pull force even in tight spaces.

Standard Magnets


	Magnetized Through Thickness

Magnetized Through Thickness—Magnetized from one flat face to the other, these magnets deliver a concentrated magnetic force.

							Each
OD	Max. Pull, lbf	Max. Temp., ° F	Magnet Grade	Direction of Magnetization	Finish		1-49	50-Up



	1/8"	0.5	175	N52	Through Thickness	Nickel Plated	3945K31	00000	00000


	3/16"	1.1	175	N52	Through Thickness	Nickel Plated	3945K32	0000	0000

Encased Neodymium Disc Magnets

Powerful performance with built-in durability. A protective case shields these magnets from the elements as well as cracks and chips when handling, mounting, or sweeping them. With the highest strength-to-size ratio of any magnet, these deliver powerful pull force even in tight spaces.

Magnets With Unthreaded Hole

Nickel-Plated Steel Case—Offers similar corrosion resistance to chrome plating to withstand salt water and chemicals. However, nickel is more likely to wear off over time.

											Each
	Style	Thk.	OD	Hole Dia.	Max. Pull, lbf	Max. Temp., ° F	Magnet Grade	Mounting Hole Style	For Screw Size		1-49	50-Up
Nickel-Plated Steel Case



		1	0.275"	0.79"	0.177"	23	180	N52	Straight	No. 8	5679K365	00000	00000


		1	9/32"	1 13/32"	0.188"	51	180	N52	Straight	No. 10	5679K528	00000	00000

Multipole Neodymium Disc Magnets

Grip thin metal surfaces where standard magnets fail to hold. These magnets have multiple small poles that generate a shallow, concentrated magnetic field only near the surface. This makes them less likely to accidentally stick to nearby objects. They're often used to mount sensors on thin-walled enclosures or control panels. With the highest strength-to-size ratio of any magnet, these deliver powerful pull force even in tight spaces. Also known as Polymagnets®.

Standard Magnets


	Magnetized Through Thickness

Magnetized Through Thickness—Magnetized from one flat face to the other, these magnets deliver a concentrated magnetic force. They’re best for direct contact with flat surfaces.

								Each
	OD	Max. Pull, lbf	Sets of Poles	Max. Temp., ° F	Magnet Grade	Direction of Magnetization		1-49	50-Up
1/16" Thick



		1/2"	4.9	5	180	N52	Through Thickness	2494N37	00000	00000

Magnets With Adhesive Back


	Magnetized Through Thickness

Magnetized Through Thickness—Magnetized from one flat face to the other, these magnets deliver a concentrated magnetic force. They’re best for direct contact with flat surfaces.

							Adhesive			Each
	OD	Max. Pull, lbf	Sets of Poles	Max. Temp., ° F	Magnet Grade	Direction of Magnetization	Mfr.	Mfr. Model		1-49	50-Up
1/16" Thick



		1/2"	4.9	5	180	N52	Through Thickness	3M	Very High Bond	2494N35	00000	00000