Custom Neodymium Bar Magnets

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Custom neodymium bar magnets use an elongated NdFeB form for assemblies with a narrow rectangular mounting area. They suit drawing-led projects that need a defined magnetic length, pole direction and surface finish.

A long bar can be magnetized in different directions. State which face must interact with the mating component; length alone does not identify the poles or establish retention performance.

Long magnetic components for narrow spaces

Supply length, width, thickness, working gap and the opposing material. Also describe the expected environment so the grade and coating can be reviewed together. Published coating options include metal finishes and epoxy, but availability depends on the chosen specification.

A sleeve or coating is not automatically a waterproof enclosure. Review edge coverage, assembly protection and handling with the selected sample. Thin bars also need support during installation: avoid bending them into a curved pocket or allowing them to snap together uncontrolled.

Bar length, section and pole direction

Send a drawing with dimensions, tolerances, magnetization direction and the required quantity. Describe the working gap, mating material, mounting method and environment. These inputs help distinguish a suitable magnetic component from a part that merely fits the space.

Confirm the material grade and any surface treatment on the quotation. Do not infer a temperature rating, pull force or coating performance from the photograph. Where a measured requirement matters, agree the test arrangement and acceptance criteria before sample approval.

Handling long magnets and validating samples

Protect magnets from impact and from uncontrolled contact with other magnets or metal parts. Support brittle edges during assembly, keep loose pieces away from children and use appropriate precautions around magnet-sensitive equipment.

The sample review should cover dimensions, pole orientation, visible damage and function in the intended assembly. Record the approved specification and test setup so later comparisons use the same gap, mating material and orientation. Ask Richarms to confirm drawing feasibility and the sample process before scheduling production.

Questions about custom neodymium bar magnets

Does a longer bar always give more holding force?

Not necessarily. Grade, cross-section, pole direction, air gap and the mating material all affect the result.

Can I select a temperature rating from the shape?

No. Temperature capability depends on the grade and operating conditions. Request a grade-specific specification for the application.

Can a photograph establish magnetic strength?

No. A meaningful strength requirement needs a defined measurement method, geometry and operating gap.

What is needed before a custom quotation?

Provide the dimensioned drawing, grade or functional requirement, magnetization direction, mounting environment and order quantity.

Arc segments and NdFeB blocks

Compare arc segment neodymium magnets, high-performance ndfeb magnets when reviewing a different structure or installation route.

Quote a bar magnet to your drawing

Send the product reference, application photographs or drawing, required finish and planned quantity through our product inquiry page. Include the matching-part or material details so we can review the correct version and confirm the next sampling step.