Swiss Jewel Co. - Philadelphia, PA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of corrosion resistant balls made of sapphire & ruby with diameters from 0.15mm for mechanical & optical applications, including ball lenses, fiber optic connectors, flow meters, bar code readers & wear applications.
www.swissjewel.com/1/balls_hemispheres/

General Ruby & Sapphire Co., Div. of EWM General Corp. - New Port Richey, FL
Custom Manufacturer
Custom manufacturer of polished sapphire balls. Specifications include 5/8 in. & 3/4 in. dia. fractional size & 0.13 mm to 12 mm size. Sapphire balls are available in stock.
www.generalruby.com/Ruby-and-Sapphire-Balls...

Microlap Technologies, Inc. - Rolla, ND
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of standard balls or customize with modifications such as blind holes, through holes or flats. Also manufactures other high-precision components from zirconia, alumina, silicon nitride, tungsten carbide & other materials based on customer requirements.
www.microlap.com/products-balls.php

Bird Precision - Waltham, MA
Manufacturer, Custom Manufacturer
Manufacturer of synthetic sapphire balls. Capabilities include abrasive resistance 5 times that of carbide, smooth finish, zero porosity, crystal structure & up to 2 micro-finishes. Physical properties include hardness, chemical inertness even to hydrofluoric & hf acid, low friction coefficient, high thermal conductivity & wear resistance. Sapphire balls can be drilled & used as precision jeweled bearing rollers for low friction & long wear applications. Applications also include high heat applications.
www.birdprecision.com/bearings/balls.cfm

Rayotek Scientific, Inc. - San Diego, CA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified, full design standard, minority owned. Manufacturer of precision micro parts including: sapphire balls, pins, tubes & rods. Features of sapphire balls include scratch, wear, temperature, corrosion, impact & chemical resistance. Capabilities include: designing, engineering, polishing, grinding, cutting, brazing, sealing & strengthening. Large volume capabilities. SBA certified SDB.
www.rayotek.com/sapphire_tubes.htm

Goodfellow Corp. - Coraopolis, PA
Distributor
Distributor of sapphire balls. Pure metals & alloys, single crystals, ceramics, polymers & composites for research, prototype development & small run applications. Custom cutting, finishing & analyses available.
www.goodfellowusa.com/A/Sphere.html

MarkeTech International - Port Townsend, WA
Manufacturer, Custom Manufacturer
Custom manufacturer of boule & profile grown sapphires balls, bearings, nozzles & rods. Specifications include 3.98 g/cu. cm. density, 2.5 GPa - 4.0 GPa flexural strength, 2,040 degrees C melting point & maximum working temperature up to 1,800 degrees C. Sapphires can withstand high temperatures, high pressure, thermal shock & water or sand erosion.
www.marketech-sapphire.com/index.html

Edmund Optics - Barrington, NJ
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified worldwide manufacturer & distributor of standard & custom sapphire balls. Available in dia. from 0.3 mm to 9.525 mm, melting points of 2053 degrees C, compressive strengths of 300,000 psi & specific gravity of 3.98.
www.edmundoptics.com/optics/optical-lenses/...

PremaTech Advanced Ceramics - Worcester, MA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified women-owned custom fabricator of sapphire balls. Capabilities include ceramic machining, CNC grinding, engineering, flat & roll lapping, honing, gang wheel slicing & core drilling. Industries served include semiconductor, aerospace, defense, research, life science, medical, power generation, commercial & research institutions.
prematechac.rtrk.com/?scid=2075461&rl_alt=h...

Norca Precision - Great Neck, NY
Manufacturer, Custom Manufacturer, Service Company
ISO 9000 & ISO 9002 certified custom manufacturer of sapphire balls featuring resistance to acids & bases at 300 degrees C. Ceramic, ruby, tungsten carbide & electrical contact balls are also available.
www.norcaprecision.com/machined_sapphire.sh...

Glebar Co., Inc. - Franklin Lakes, NJ
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified manufacturer of lithographic balls, plastic balls, porcelain balls, rubber play balls, sapphire balls, & zirconium oxide balls. Form grinder is used to form spherical or cylindrical components from pre-form or rod in materials ranging from rubber, ceramics, wood & PTFE. Features include ball hopper & conveyor assembly & a ball feeding system. Applications include billiard balls, golf balls, deodorant balls, check valves, pen nibs, & bottle stoppers. Custom made products also available. Markets served include electronics, plastics, micromachining, wire, metal, ceramic, composite, rubber & wood industries.
www.glebar.com/machines_pg9bhd.html

Bal-Tec - Los Angeles, CA
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom balls made of tin, carbon steel, phosphor bronze & silicon nitride. Balls are used for measuring dove-tails & pitch diameter of threads or gears. Capabilities include inspection & surface finishing. Metrology ball kits are also available for inspection in size range from 1/32 in. to 1 in. Meet A.F.B.M.A. or Military specifications.
www.precisionballs.com/material.htm

ALC Precision/ A Precipart Group Company - Farmingdale, NY
Manufacturer, Custom Manufacturer
Manufacturer of sapphire balls. Critical applications designed using industrial jewels. Synthetic sapphires & rubies ideal for applications requiring wear resistance, chemical inertness, bio compatibility, optical transmission or thermal & electrical insulation. Producers of raw materials & manufactured finished components.
www.alcprecision.com/rubies.html

Laurel Industries - Highland Park, IL
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of lenses, prisms, mirrors, wedge & standards reflection.
www.laurelindustries.com/instrum.htm

Imetra - Elmsford, NY
Manufacturer, Custom Manufacturer
Precision Balls Made To Specs. Standard Sizes Available In English & Metric. Materials: Ceramic, Carbide, Glass & Quartz

Meller Optics, Inc. - Providence, RI
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of single crystal sapphire precision balls. Sapphire balls are available in various sizes including 1/64 in., 1/32 in., 1/16 in. & 3/32 in. with 0.000025 in. sphericity & plus /-0.0001 in. basic dia. tolerance. Applications include ball bearings, spacers, check valve ball seats, piston valve seats, flow meters, bar code readers & fiber optics. Meets F.B.M.A. Grade 25 standards.

GT Advanced Technologies. - Salem, MA
Manufacturer, Custom Manufacturer
Manufacturer of sapphire crystal balls in sizes up to 6 in. in diameter, specializing in large sized, high purity sapphire balls. Crystal growth process using heat exchange method. Sapphire crystals feature a mohs hardness of 9 & a melting point of 2040 degrees C. Thermal properties include thermal conductivity of 0.065 cal/cm/sec/degrees C & thermal expansion coefficient of 0.0000084 per degree C. Suitable for optical applications. Made in America.

Sapphire Engineering, Inc. - Pocasset, MA
Manufacturer, Custom Manufacturer, Service Company
Sapphire, Ruby Balls Stocked In Many Fractional & Metric Sizes. Diameter & Sphericity To .000010"

Access Optics - Broken Arrow, OK
Manufacturer
Manufacturer of sapphire in a wide variety configurations such as windows, lenses, and prisms for optical, mechanical and electronic applications. Miniature sapphire elements for applications such as endoscopy instruments in sizes to less than one millimeter with precise control over tolerance conditions such as net dimensions, chamfers, surface quality and chips.

Belanger Industrial Group, Inc. - Poughkeepsie, NY
Custom Manufacturer, Service Company
Precision Grinding Of Ceramic & Hard Materials

Lutz Sales Company, Inc - Hanover Park, IL
Distributor, Manufacturer, Custom Manufacturer, Service Company
O-Rings, Lathe Cut Rubber, Die Cut Parts, U Cups, PTFE & Urethane Seals, Anti-Extrusion Rings, Rod Scrapers, Packings, Metric Seals, Leather Cups, Seal Kits. Materials Including: Nitrile (Buna-N), Fluoroelastomer Silicone & Fluorosilicone

Small Parts, Inc. - Miami Lakes, FL
Distributor, Custom Manufacturer
Distributor of sapphire balls including synthetic sapphire balls. Features include high refractive index of 1.76, 0.000025 in. sphericity & gravity of 3.98. Sapphire balls can be used as scratch-proof lenses for opto coupling devices & flow cells in analytical detectors.

Sygrin International Inc. - Little Neck, NY
Manufacturer, Custom Manufacturer, Service Company
Manufacturer Of Crystal Growing, Electro-Optic, Fiber Optic Components

Silian Tech Co. Ltd. - Vancouver, BC
Manufacturer, Custom Manufacturer, Manufacturers' Rep
Manufacturer of synthetic sapphire, ruby & customized ceramic components for various industrial markets, sapphires & ruby: optical, synthetic windows, rods, balls, orifices, substrates, nozzles, cups, vees, UV & IR windows & lenses. ISO 9001-2000 certified.