Imetra, Inc., Precision Components for the Instrument Industry - custom engineering, tools, measurement tools, carbide, ceramics, alloy, crystal, balls, bearing, carbide, ceramic, glass balls, instrument balls, ruby balls, ruby, sapphire balls, sapphire, tungsten carbide balls, tungsten carbide, zirconium oxide, zirconium oxide balls, glass beads, agate bearings, carbide bearings, agate, glass,  industrial jewels, jewels, jewel bearings, brass, bronze, copper, bushings, coils, magnets, magnetic, miniature coils,  miniature, toroidal, transducer, industrial diamonds, tungsten carbide dies, drills, microscopic drills, ferrules, gages, gearheads, gears, guides, ceramic guides, thread guides, textile guides, wire guides, hairsprings, diamond inserts, lenses, infrared lenses, magnets, alnico magnets, ceramic magnets, ferrite magnets, permanent magnets, rare earth, rare earth magnets, mortars & pestles, mortar, pestle, clock, switch, phonograph needles, carbide nozzles, sapphire nozzles, water blasting nozzles, optical flats, optical goods, fiber optics, infrared optics, atomizer orifices, gas orifices, recording instrument pens, pens, pivots, molded plastics, pointers, prisms, rods, rollers, rubies, screw machine, scribers, diamond scribers, heat shields, styli, styluses, substrates, burnishing, check valves, valves, ball type, spring loaded,  stop valves, vials, spirit level vials, winding, windows
Product Lines
About Imetra
Product Lines
Industries Served
Contact Us
Imetra, Inc.
140A Metro Park
Suite 620
Rochester, NY 14623
Tel. (914) 592-2800
Fax: (914) 592-1637
[email protected]


We offer custom-made magnets machined to closest tolerances. Miniature magnets are our specialty, down to a fraction of a millimeter in size.


  • Discs, Rods, Rings, Rectangular or other shapes such as Trapezoid or Radiused.


  • Samarium Cobalt
  • Neodymium Iron Boron
  • Alnico

Various Energy Products available.

(See table and Demagnetization Curves.)

Magnets can be supplied Nickel or Gold plated.

We also offer biocompatible coatings such as PARYLENE.

Mass production of magnets results in uniformity and low cost.

Let us help you achieve your goals.

About Imetra | Product Lines | Industries Served | Contact Us | Sitemap