Trusted by aerospace, defense, and manufacturing leaders worldwide for mission-critical accuracy.
When precision matters most, engineers and quality control professionals turn to Pi Tape®. For over 80 years, we’ve delivered the gold standard in diameter measurement solutions—from aerospace components to pipeline infrastructure. Our precision measuring tapes provide the accuracy you need, backed by the reliability you demand.
Accuracy to ±0.001" (0.03mm) for applications where measurement errors aren't an option. Trusted in aerospace, defense, and safety-critical industries.
80+ years of engineering excellence. From the Apollo program to today's advanced manufacturing, Pi Tape® has been there when precision counts.
Outside Diameter, Inside Diameter, O-ring, Circumference, Linear Tapes, and Digital measurement tools. Standard and custom solutions for diameters from 0.25" to 200+ feet.
A2LA accredited calibration services ensure your measurements meet the most stringent quality standards.
Across aerospace, energy, manufacturing, and defense, Pi Tape® provides the accuracy and durability required for operations where quality and compliance are non-negotiable.
Built for speed, accuracy, and consistency, Pi Tape® tools deliver the trusted measurements professionals rely on every day. Discover OD, ID, O-ring, and digital solutions crafted for critical applications.
±0.001″ depending on range
1095 spring steel and 716 stainless steel.
0.25″ to 200+ feet diameter capability
NIST-traceable, ISO/IEC 17025 accredited
Corrosion-resistant, field-proven in extreme conditions
Not all environments demand the same level of protection. Our steel tapes are available in three material options, each engineered to perform under specific conditions—from controlled settings to harsh, corrosive environments. Explore the differences to choose the right balance of durability, resistance, and precision for your measurement needs.
Ideal for applications where thermal stability and long-term accuracy are critical. Minimal maintenance, exceptional stretch resistance. Perfect for standard precision measurement applications.
Specialty stainless steel for outdoor or corrosive environments. Slightly softer but maintains excellent thermal properties. Ideal for oil & gas, pipeline, and marine applications.
1095 spring steel with a high-contrast blue finish. Enhances readability in low-light or reflective workspaces. Best for inspection and fieldwork.
Pi Tape® solutions are also trusted across a wide range of industrial environments where accuracy, durability, and repeatability are essential.
Whether you need standard precision measuring tapes or custom solutions for unique applications, our team is ready to help you find the perfect measurement tool.
Phone: (903) 266-9204 | Toll Free: (866) 474-8273
