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We are experts in

Grinding Sheet Metal

Strength, appearance, and durability are the goals of cleaning up sheet metal parts before assembly. We have experience in precision grinding while working on stainless steel and Class A parts and production-run parts that require clean seams and edges for flawless installation.

The tools we use for

Precision grinding

Preparing sheet metal parts for forming or finishing is essential to delivering high-quality intricate pieces to our customers. We use five vibratory and barrel-type deburring machines, five line grainers, a cyclone bead blast machine, two belt sanders, and six air-operated handheld sanders and grinders in our grinding department.

  • (5) Vibratory and barrel-type deburers
  • (1) Line grainer, 37” belt
  • (1) Line grainer, 36” belt
  • (2) Line grainer, 25” belt
  • (1) Cyclone bead blast machine
  • (2) Belt sander, 2” belt
  • (6) Hand-held sanders and grinders
how we deliver

The Pinnacle process

Customers from leading medical, aerospace, information and communications technology, energy, and entertainment companies come to Pinnacle Precision because they’ve experienced a new level of precision. 

Our teams boast decades of experience, working with product sizes ranging from inches to yards and a broad range of sheet metal alloys and finishes. 

Each project that comes into Pinnacle’s Southern California headquarters receives the highest level of attention. Our Customer Support team excels in translating customer needs into actionable plans for our Technical, Production, and Quality Assurance teams. 

Our manufacturing experts utilize CNC laser cutting and punch presses for precise sheets that are then delivered to our machining, forming, welding, and finishing departments. From there, we help our customers with assembly, hardware installation, and seal applications before Pinnacle’s quality assurance team carefully looks at the final product. 

The difference between Pinnacle and any other company is our team-forward integrated approach and solutions-first mentality. We look forward to proving our promise to you.

a question we get:

How do you make sure my Class A parts are perfect?

Pinnacle Precision manufactures hundreds of Class A parts monthly for our medical, communications, and aerospace customers. 

Ensuring each part performs and appears up to exacting specifications and standards is critical to our reputation.

The grinding and deburring experts in our Production department use several machines and tools, along with decades of experience, to smooth any rough edges and prep all types of parts for plating, painting, or powder coating.

Throughout the process, our grinding and deburring team works with Pinnacle’s Finishing and Quality Assurance teams so that our customers get more precision-worthy parts.


Who relies on Pinnacle Precision for sheet metal grinding services?

Pinnacle Precision manufactures parts used across the world’s most advanced and vital industries, including medical, aerospace, information & communications, energy, and entertainment. Our advanced approach to every capability means that parts created here can withstand the harshest environments and look good year after year.

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How can we help you today?

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Sheet Metal Fabrication


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