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GeezerVison is showing www.phtool.com — Non-Destructive Testing, NDT Reference Standards, Test Blocks | PH Tool

PH Tool | PH Tool Reference Standards - The Standard of Excellence

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  • Application-Specific, Custom Reference Standards

    Contact Us to Learn More
  • Smallest EDM Notches in the Industry
  • Fast Lead Times
  • Technical Depth
  • Customer Focused

PH Tool™ Proudly Serves the Following Industries

  • Automotive / Transportation
  • Education
  • Medical
  • Power Generation
  • Aerospace
  • Government / Military
  • Oil / Gas
  • Primary Metals
  • Commercial Aviation
  • Infrastructure
  • Petrochemical
  • Research Labs

Browse Our Test Block Inventory

  • ERVW Blocks™
  • 5 Step Blocks
  • ASTM E127 and E428 FBH Blocks
  • IIW Type Blocks
  • PACS® Line of Blocks
  • Phased Array ISO 19675
  • USAF Eddy Current Standard
  • 12-Hole Eddy Current Bolthole Standard
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Manufacturing flat bottom holes

Learn how PH Tool produces flat bottom holes that are truly flat, and how we can help you create a “perfect” reference standard for your next NDT project.  

Watch our EDM notch creation process

The EDM notch creation process involves the removal of material with an electrode under carefully controlled conditions. See how PH Tool does it.

See our nickel plating capabilities

PH Tool is the only NDT manufacturer that takes this process entirely in-house in order to maintain our quality standards and shorten lead times.

About PH Tool

PH Tool Reference Standards, headquartered in Pipersville, PA, maintains a staff of skilled toolmakers, machinists, technicians, and professional management personnel (40 people and counting) dedicated to the development and manufacture of the finest quality Reference Standards available today. Our robust growth and excellent reputation in the NDT world can be attributed to our emphasis on quality, attention to detail, and innovative approaches to the most challenging requirements of our valued customers.

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Who We Are

PH Tool Reference Standards has supplied the Nondestructive Testing (NDT) industry with high-quality Reference Standards and Test Blocks since its founding by Phil Herman Sr. in 1973. Whether you need EDM notches, Flat-bottom holes, Micro-holes, or Test Blocks, PH Tool can handle your order.

Contact Us to Learn More

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