Downey Grinding Company, Inc.

Serving the aerospace industry for over 50 years

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Parts in virtually any material with diameters from .012" to 4" can be ground to within .0001".

Solid and hollow balls up to 4" in diameter are ground with precise tolerances and surface finish.  Grinding capabilities also include spherical radii, grooves, flats, and multiple diameter shafts.

Manufacturers in the medical industry rely on us for centerless and form grinding, plus thread rolling and knurling, of parts in titanium and stainless.

Thread rolling in J-form and metric for diameters from 0-80 to 1-1/2-20.  Knurling capabilities available for diameters up to 3".