
Automatic High Strength Bolt Detector for Steel Structure Bolt Connection Axial Force and Torque Measurement. 3-in-1 High-Strength Bolt Testing Simultaneously measures axial force, tightening torque, and torque coefficient, providing comprehensive test results for high-strength bolt assemblies. Automatic Testing and Unloading Automatically records data when the preset axial force is reached, calculates the torque coefficient, and reverses the drive to unload the specimen. Intelligent Statistical Analysis Automatically calculates the average axial force, average torque, average torque coefficient, standard deviation, and coefficient of variation. Data Storage and Printing Stores up to 32 groups of test data and supports result review and printing for inspection records and quality traceability. Multiple Bolt Sizes Supported Compatible with M16, M20, M22, M24, M27, and M30 large hexagon high-strength bolt assemblies, with supported bolt lengths from 65 to 280 mm. Ideal for Steel Structure Quality Control Widely used by steel structure manufacturers, bolt factories, construction companies, third-party laboratories, inspection agencies, universities, and researc.