Valmac Industries, Inc. - Vandalia, OH
Custom Manufacturer
ISO 9001:2000 certified. Production & short-run fine grinding/flat honing, flat lapping, double disc grinding & polishing. Parts up to 27 in. diameter. Tolerance to 1 micron parallel & thickness, 1 lightband flatness. Cryogenic deburring & gun drilling.
www.valmacind.com/services.asp

Abrading Methods, Inc. - Elgin, IL
Custom Manufacturer, Service Company
ISO 9001:2008 certified Services include production flat lapping, flat honing & precision fine grinding for flat and parallel surfaces. Including double sided & single sided lapping & polishing services. 22 machines capable of handling parts from .050 in. up to 36 in. diameter for production & specialty requirements up to 66 in. diameter or diagonal. Other services include, cleaning, deburring, sorting, packaging & traceability. All levels of PPAP's can be performed & certificates of conformance provided on request. Prototyping & engineering assistance for lapped components. Applications include aerospace parts, metal injection molded parts, powdered metal (sintered) parts, seals, valve components, carbides & cutting inserts, precision piston rings, automotive sensing devices & hydraulic gear pump components.
www.lapping.com

Lap Tech Industries - Lake Wylie, SC
Custom Manufacturer
ISO 9001:2000 certified contract fine grinding services. Materials worked on include ceramics, standard metals, powdered metals, plastics, rubber & glass. Fine grinding can be done with tolerances of 1 micron thickness/flatness/parallelism & 0.1 micro inch surface finish. Fine grinding can be done on components & parts such as rings, seals, heat sinks, gears, bearings, rollers, slitter knives & cutting tools in dia. up to 8 in. Markets served include automotive, electronics, fluid control, appliances, medical, metal stamping & machining.
www.laptechind.com/fine_grinding.html

JIT Global Enterprises - Apollo, PA
Manufacturer, Custom Manufacturer, Service Company
Veteran owned, HUBZone and ISO 9001:2008 certified fine, form, high speed grinding & ID & OD grinding services including precision centerless jig, rotary, cylindrical, wet & contour grinding services. Surface grinding including hydraulic surface grinding is available in areas up to 18 in. x 60 in. Jig grinding is available up to 22 in. x 44 in. Centerless grinding is available for external & outside dia. ranging from .005 to 8 in.

Union Process, Inc. - Akron, OH
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
01-HDDM model for small media milling & particle size reduction down to the nanometer range. Designed for small media from sizes ranging from 0.1mm to 2mm balls. Features a mechanical drive or an electronic variable speed drive system which runs from 1000 to 4200 RPM. Can be engineered as a combination model with 01-HD Attritor mill (referred to as model 01-HD/HDDM).
www.unionprocess.com/sdmseries.html

Specialty Contracts & Tooling, a Div. of The Specialty Mfg. Co. - Saint Paul, MN
Custom Manufacturer
Grinding services including counter grinding, fine grinding, form grinding & profile grinding. Other capabilities include creep feed grinding for pre-hardened materials. Plastic injection molding & metal stamping available. Products include precision fixtures, dies, electrical contacts, circuit boards & cutting blades. ISO 9001 compliant.
www.smccontractmfg.com/precision-fixtures-d...

Peter Wolters of America, Inc. - Des Plaines, IL
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified grinding services including precision fine grinding. Other services such as thru-feed grinding, lapping, polishing, cleaning, deburring, conversing, measuring & packing are also available.
Brand Names: SPEEDFAM-Peter Wolters, Voumard
www.peter-wolters.com/en/index.php?page=277

Brinkman Precision, Inc. - West Henrietta, NY
Custom Manufacturer, Service Company
Veteran-owned ISO 9001:2000, AS 9100-B & NADCAP certified fine grinding services for precision parts, components & assemblies. Grinding capabilities include ID grinding, OD grinding, surface grinding, CNC thread grinding, CNC match grinding, crush form CNC grinding & multi-axis CNC form grinding. Materials such as metals, alloys, Inconel®, L-605 alloys, Hastelloy® X alloys & Monel® are handled. Other services such machining, milling, drilling, turning, EDM, honing, heat treating, brazing, welding, fabricating, assembly, laser marking & pressure testing services are also available.
www.brinkmanprecision.com/about.html#CAPABI...

Circle Gear & Machine Co., Inc. - Cicero, IL
Manufacturer, Custom Manufacturer, Service Company
Fine grinding services for gears & gear boxes. Bevel & spiral bevel gears, helical gears, planetary gears, rack/pinion gears, sprocket gears, spur gears, worm gears, herringbone (double helical) gears, conventional/external gears, internal gears & hobs are handled. Gears can be handled up to 120 in. dia.
www.circlegear.com/custom-gear-grinding-ser...

San Jose Delta - Santa Clara, CA
Distributor, Manufacturer, Custom Manufacturer
Fine grinding services. Types include surface, small hole, thread, jig and centreless grinding. Alumina ceramic, beryllium oxide, sapphire and zirconia ceramics, aluminum nitride, boron carbide, boron and silicon nitride and fused quartz materials worked. Capabilities include fabrication, machining, honing, drilling, polishing, designing, metallization, sawing, turning, milling, tapping and plating. Defense, semiconductor, medical, aerospace, commercial and military communications, scientific test and instrumentation industries served.
www.sanjosedelta.com/services.shtml

KLH Industries, Inc. - Germantown, WI
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified CNC grinding services for virtually all alloys & steels, including carbide. CNC grinding is accurate to plus/minus 0.0001 in., & features a CNC 3 step controller & auto dressing cycle. Other capabilities include CNC turning, milling, drilling & boring; conventional & wire EDM; documented contact & non-contact inspection; & micro hole EDM drilling.
www.klhindustries.com/services/cnc-machinin...

Boston Centerless, Inc. - Woburn, MA
Distributor, Custom Manufacturer, Service Company
Lean manufacturing capable, AS9100 & ISO 9001:2008 certified precision & fine grinding services for bar products. Grinding capabilities include bar dia. from 0.005 in. to 3 in. & 2 Ra finishes with 0.00004 in. tolerances. Materials such as metals, plastics, ceramics, alloys, medical grade alloys, special alloys, red metals, aluminum, carbon steel, stainless steel & titanium are used. Capabilities also include machining, heat treating, straightening, saw cutting, lapping, calibration, inspection & inventory management.
www.bostoncenterless.com/products-services-...

Hygrade Precision Technologies, Inc. - Plainville, CT
Manufacturer, Custom Manufacturer, Service Company
AS 9100:2009/ISO 9001:2008/Certified by ASR single & double-sided flat lapping & grinding services. Complete machining, grinding & lapping services on a variety of materials & products. Full machining & grinding services include semi-automatic cylindrical grinding, conventional cylindrical grinding & CNC conventional grinding, milling/drilling & turning. Full grinding tolerances & capabilities vary.
www.hygrade.com/cylindrical.html

Nation Grinding, Inc. - Dayton, OH
Custom Manufacturer, Service Company
Precision grinding services including contour, creepfeed, ferrite, fine and high speed. Materials used include a wide variety of metals, rubber, plastics, ceramic, ferrite and composites. Industries served include aerospace, agricultural, automotive, truck, marine, medical, military, mining, pulp and paper, spindle and wire.
nationgrinding.rtrk.com/?scid=2894855&rl_al...

Fine Grinding Capabilities
	Precision Vertical Grinding Services Precision Jig & Thread Grinding Services

Powder Processing & Technology, LLC - Valparaiso, IN
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified custom grinding & pulverizing services including ferrite & fine grinding. Capabilities include grinding particle sizes down to 1 micron. Size classification, drying, spray drying, calcining, sintering, pelletizing, dry/wet batching, wet/dry milling & analytical testing services are also available. Applications include fuel cell materials, electronic materials, metal oxide catalysts, ceramics & lithium-ion battery materials.
customprocessing.pptechnology.com/item/all-...

Fine Grinding Capabilities
	Complementary Processing Services

Tru Tech Systems - Mount Clemens, MI
Manufacturer, Custom Manufacturer
Fine grinding services. Form grinding, OD grinding, ID grinding, centerless grinding, profile/taper grinding, plunge grinding and micro grinding services are available. Materials handled include stainless steel, carbide, tungsten, nickel titanium alloys, gold, silver, platinum, ceramics, silicon nitride, nylon, PTFE, urethane, toll steel and alloys, glass, optical materials, sapphire, quartz, ruby and molybdenum. Parts in dia. from 0.01 in. to 3 in. and sizes from 0.001 in. can be grinded with 0.00001 in. tolerance.
www.trutechsystems.com/Services.html

Westmoreland Plastics Co., Inc. - Latrobe, PA
Manufacturer, Custom Manufacturer, Service Company
Fine & plastics grinding services.
www.westmorelandplastics.com/fine-grinding....

G.M. Associates, Inc. - Oakland, CA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Fine grinding services for quartz products. Capabilities include mechanical & fire polishing, lapping, sandblasting, fabrication, machining & slicing.
www.gmassoc.com/custom-fused-quartz.html

Quartzite Processing, Inc. - Malden, MA
Custom Manufacturer, Service Company
Precision miniature, contour and fine grinding services. Capable of grinding parts up to 16 in. length, 16 in. width, 16 in. thickness, 14 in. OD and 12 in. ID. Capabilities include finishing, machining and fabricating. Military and commercial industries served. Ship-to-Stock available. JIT delivery.
www.quartziteprocessing.com/index.html

MPE - Modern Process Equipment, Inc. - Chicago, IL
Manufacturer, Custom Manufacturer, Service Company
Designs & manufactures fine grinding mills for food, chemical, mineral & pharmaceutical applications. Granulizers maximize particle uniformity in the 8 to 200 mesh spectrum.
Brand Names: Gran-U-Lizer
www.mpechicago.com

Quality Centerless Grinding Corp. - Middlefield, CT
Service Company
Grinding services featuring support for studs, pins, bolts, screws, bushings & other parts from a full range of materials. Grinding sizes range from 1/16 in. to 1 in. dia., with tolerance as low as .0001 in. on multiple dia. Industries served include aircraft, aerospace, defense, marine, hardware, electronics, automotive & medical. ISO 9000, NADCAP & MILSTD 45662 compliant.
www.qualitycenterlessgrinding.com/index.htm...

Smithfield Manufacturing, Inc. - Clarksville, TN
Custom Manufacturer
Fine grinding services up to 16 in. x 32 in. sizes. Materials include steel, aluminum, brass & stainless steel. Capabilities include sawing, welding, honing, drilling, tapping, milling, deburring, cleaning, CNC milling, chasing, thread rolling, CNC & screw machining & turning. Meets MIL-Q-9858A Spec. JIT delivery.
www.smithfieldmfg.com/allSMI/Pages/services...

Stoner & Co., Inc. - Chicago, IL
Custom Manufacturer
ISO 9001:2000 certified precision double disc fine grinding services. Supported materials include cast iron, aluminum, steel, bronze, stainless steel, copper, ceramics, friction material, PTFE, Delrin®, nylon, exotic alloys & phenolics. Specifications include ferrous & non-ferrous metals annealed or hardened up to 67 RC, dimensions to plus or minus.0002, parallelism to plus or minus .0002, flatness to plus or minus .0002, micro finishes of up to 16 RMS, .250 in. o.d. to 18 in. o.d. for round parts, products from .250 sq. in. to 20 sq. in. or more, bars to 12 ft. , thickness ranging from .030 in. to 4 in. Applicable for the aerospace, automotive, agricultural, food, manufacturing & medical industries. Long & short production runs available.
www.stonergrinding.com/ferrous.html

Precision USA Manufacturing - Burton, MI
Manufacturer, Custom Manufacturer, Service Company
Grinding services including contour, fine, precision and surface grinding. Materials include carbon, tool, cold rolled and stainless steel, brass and graphite. Capable of handling parts up to 24 in. length and 5 in. dia. with +/-0.0002 in. tolerance. Capabilities include turning, forming, deburring, drilling, polishing, reaming, thread cutting, tapping, heat treating, chrome plating and reverse engineering. Industries served include machine tool, oil and gas and transportation.
www.precisionusamfg.com/custom-centerless-g...

Fine Grinding Capabilities
	Providing Custom Centerless Grinding and General Grinding Services to the Machine Tool, Petro-Chem, & Transportation Industries.

Allgrind Plastics, Inc. - Bloomsbury, NJ
Custom Manufacturer, Service Company
Grinding & pulverizing services. Fine grinding services available for raw materials in pellet, bead, chip, crumb, flake or granulate form. Materials can be pulverized to the mesh / micron size required. Thermoplastic, thermoset and most any tough or soft materials can be ground to particle sizes from 8 - 200 US mesh or 2000 - 75 microns. Much finer products can be produced from brittle, friable and high melting point materials. Fine size reduction with liquid nitrogen cooling is offered for raw materials in any form.
www.allgrind.com/Page2.htm