YOUR COMMITMENT TO QUALITY

STARTS HERE

Metal Hardness Testing Made Easy

 We help manufacturers and metal processors across a broad spectrum of industries easily meet their quality standards by providing the right equipment in the right place at the right time.

For over 86 years, KING has been leading the way in developing high-quality and ruggedly designed portable Brinell Testers and related equipment. Our customers range from the largest most respected companies in the world to small, privately owned, metal processors. 

Whether you are leading the industry or just getting started,
our team is committed to your success.

Providing the tools necessary
to meet stringent quality and safety standards

Contact our Team Today

Products

Designed, Engineered, and Produced in the USA

KING Tester received the ISO 17025 accreditation from the American Association for Laboratory Accreditation (A2LA). All King Tester products are certified and calibrated per ASTM E10 standards.

King Portable Brinell Hardness Tester - The only one on the market that is directly verifiable

KING Portable Brinell Hardness Tester – Since 1936

The easiest and most portable hardness tester on the market. Use it in tight spots, right side up, upside down, or sideways!

King Portable Brinell Metal Hardness Testers are the most reliable, easy to use, and affordable portable Brinell testers available and the ONLY portable Brinell testers on the market that are Directly Verifiable. King Portable Brinell Testers are accurate to within 1%, calibrated with traceability to NIST, and certified and calibrated per ASTM E10 standards.

View Portable Brinell Products

Rockwell

Rockwell Metal Hardness Tester King Tester
View Rockwell Products

Microscopes

King Tester Brinell Metal Hardness Tester KingScope Microscope
View Microscopes

Specialty

Caserock Rockwell Hardness Tester King Tester
View Specialty Products

Test Blocks

King Tester Brinell Hardness Tester Test Blocks
View Test Blocks

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Core Industries

Aerospace

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Maritime

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Oil & Gas

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Railway

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Foundries

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Automotive

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Infrastructure

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Utilities

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Military

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Construction

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Manufacturing

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Heat Treating

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