Grob Inc.
Surface Grinding Services
Flat and cylindrical OD Grinding.
Surface grinding at Grob Inc. ensures flat, smooth surfaces with micron-level precision. Our equipment is ideal for finishing hardened materials and achieving tight thickness tolerances.
Capabilities: Horizontal and vertical surface grinders, up to 24″ x 48″ workpieces
Materials: Tool steels, stainless steel, ceramics, and hardened alloys
Finish Options: Mirror finishes, matte textures, and custom surface profiles
Example Projects
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Die Plates
Hardened tool steel ground to ±0.0005″ flatness.
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Mold Inserts
Surface ground for precision fit and finish.
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Optical Fixtures
Ceramic components with ultra-flat surfaces.
Frequently Asked Questions
What surface finish can you achieve?
We can achieve finishes as fine as 4 Ra depending on material.
Do you offer grinding for hardened materials?
Yes, we specialize in grinding hardened steels and alloys.
Can you grind parts after heat treatment?
Absolutely — post-heat treatment grinding is a core part of our process.
We specialize in grinding critical components for dies, molds, and precision assemblies. Let Grob Inc. enhance your part performance with flawless surface grinding.