Dynamic Precision Tool & Manufacturing - Troy, MI (Serving Southern California)
Custom Manufacturer
ISO 9001:2008 certified precision grinding services for carbide & steel. Capabilities include form grinding, flat grinding, large (20" X 40") grinding. Tolerance to .0001 inch. Prototype to production grinding. Quick deliveries, quality service. ID/OD grinding, jig grinding, wire EDM.
www.dynamicprecision.net

Production Lapping Co., Inc. - Monrovia, CA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified contract CNC precision carbide & steel grinding & polishing for inserts ranging in size from .010 in. to .030 in. as well as grinding for silicon nitride roller bearings of .236 in. dia. to 1.26 in. & grinding for aluminum mechanical pump bodies. Featuring grinding of both sides simultaneously yielding average of surface finishes of 6 to 8 Ra with an option for finishes as low as 1 Ra. CNC machining also available. Constructed to MIL-1-45208 standards.
www.productionlapping.net/grinding_page.htm...

J R M Machine Co. - Saint Paul, MN (Serving Southern California)
Manufacturer, Custom Manufacturer, Service Company
Veteran owned. BS EN 9001 & ANSI/ASQC Q9001-1994 certified. Precision grinding services including miniature grinding for carbide & steel. Capabilities include surface grinding up to 12 in. x 24 in., CNC milling, machining, turning & horizontal boring, finishing, sand blasting, design & engineering, certified welding, deburring, polishing & sawing.
www.jrm-co.com/secondary_machining.html

Black Diamond Manufacturing - Pittsburg, CA
Custom Manufacturer
Custom production CNC machining services including carbide & steel precision grinding capabilities. Featuring long & short run capabilities as well as CAD & CAM design & JIT delivery.
www.blackdiamondmfg.com/services/

General Grinding - Oakland, CA
Custom Manufacturer
Precision grinding services including carbide & steel grinding. Products such as tooling plates, castings, dies, bars, pins, bushings, rods, blades, shafts, rolls, linear motion devices, structural products & tube/pipes can be handled. Grinding capabilities include Blanchard grinding, centerless grinding, surface grinding, cylindrical grinding & internal diameter grinding. Other services such as fabricating, polishing, finishing & repairing services are also available.
www.generalgrindinginc.com/

M&M Jig Grinding, Inc. - Santa Clara, CA
Service Company
Computer controlled carbide & steel precision grinding services for metal stamping dies, mold components, fixtures, precision-machined parts, prototyping & short-run production parts. Grinding services include flat, round, cylindrical, between centers, ID/OD, form & hole grinding. Capabilities include grinding up to 20 in. x 28 in., working to tolerances of .00005 in. on diameters as large as 16 in., hole sizes from .018 in. to 20 in., accuracy within .0001 in. & design to specifications. Industries served include aerospace, automotive, food processing, gage manufacturing, injection molds, medical & pharmaceutical, military & defense, semiconductor & fiber optic, special machine tools & tool & die markets. Meets MIL-I-45208A & MIL-STD-45662A standards & are traceable to NIST, NBS, NPL, PTB & BIPM.
www.mmjiggrinding.com/grinding-capabilites

Ditec Manufacturing Co. - Carpinteria, CA
Manufacturer, Custom Manufacturer, Service Company
ISO 9000:2000 certified. Precision contract grinding & polishing services for carbide & steel in medical applications. Capabilities include diamond bonding, centerless grinding, passivation, electroplating, electropolishing, CNC vertical milling & swiss turning, gold, nickel & copper plating, lathe cutting, assembly, glass beading, deburring, tumbling & heat treating. On time delivery.

Fordon Grind Industries, Inc. - Torrance, CA
Manufacturer, Custom Manufacturer, Service Company
Precision carbide & steel grinding services including O.D. grinding, I.D. grinding, centerless grinding & surface grinding. Capabilities include hard chrome grinding, spherical grinding, ball grinding, groove grinding, bore grinding, in-feed, thru-feed, bar, face & taper grinding. Specifications include O.D. grinding support for .125 in. dia. up to 16 in. dia. x 50 in. L, . I.D. grinding support for 250 in. I.D. up to 16 in. I.D. x 8 in. L, centerless grinding support for .125 in. O.D. up to 9 in. O.D. x 144 in. L & surface grinding support for up to 20 in. dia. & linear L up to .0002. Other supported materials include berrylium copper, nickel, carbon, aluminum, aluminum nickel bronze, Inconel, Maraging & Hastalloy.