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]




Our production process is vertically integrated producing precision ceramic components from powder to the finished product, processing, controlling and testing every step including Isostatic Pressing.


  • Pistons & Valves
  • Knife Edges
  • Balls
  • Gears
  • Probes & Needles
  • Stators & Rotors
  • Matched Pistons & Cylinders


  • Aluminum Oxide / Alumina
  • Zirconium Oxide / Zirconia
  • Silicon Nitride
  • Silicon Carbide
  • Compound Ceramics (Mixtures) for high strength

Material CharacteristicsCartridgesPistons and Shafts
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We invite you to send us your project parameters for study and quotation, including tolerances on flatness, parallelism, straightness, cylindricity, angular tolerances, sphericity and surface finishes.

Engineering assistance and SEM capability available. You can count on our expertise.

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