precision machining
Crush Form Grinding
Gear Manufacturing
CNC Machining
Complete Assemblies

We offer a full spectrum of manufacturing services.


In 1976, Al DuRousseau started Crush Master Grinding Corporation in 1,700 square feet of space in Walnut, California. More than forty-five years later, Crush Master Grinding has grown into a diversified manufacturing company with 24,000 square feet of modern manufacturing space offering complete design and machining capabilities. From crush form grinding and CNC machining to gear hobbing/shaping and assemblies, Crush Master Grinding offers you a full spectrum of manufacturing services designed to save you time and increase your profits.  Read More...

Our goal is to be your one-stop manufacturing source for a diverse range of parts and assemblies. Contact us today and find out what our team can do for you.

precision ground part
precision ground part
precision ground part
precision ground part
precision ground part
precision ground part
precision ground part
precision ground part
precision ground part
precision ground part
precision ground part
precision ground part
precision ground part
precision ground part

Since 1976. Over 45 years of quality and service.


Call Us at (909) 595-2249