SKIDMORE-WILHELM HT-4000

Engineered For Bolt Verification

The Skidmore-Wilhelm HT-4000 is a computerized fastener testing system designed to evaluate structural bolt assemblies through precise measurement of tension, torque, and rotation. The system supports testing requirements established by RCSC, AISC, AASHTO, ASTM, and FHWA specifications.

Features & Specifications

Supports testing for a wide range of applications, including:

  • High Strength Structural Bolts
  • SAE Bolts
  • Bolt Lubricant Research

The above testing applications can be performed utilizing the HT-4000 Software Suite, which consist of the following test methods:

    • Assembly Installation Tension
    • Rotational Capacity Method 1 & Method 2
    • Turn-Of-Nut
    • Direct Tension Indicator
    • Customized Torque Tension

Integrated computerized data acquisition system with custom software designed for:

  • High-Speed Test Data Collection
  • Test Method Data Analysis
  • Real-Time Data Graphing
  • Computer-Generated Test Reports
  • Hydraulic Tension Load Cell with Integrated Pressure Transducer
  • Rotational Torque Transducer with Integrated Strain Gauge
  • AC Electric Motor with Encoder for Rotational Feedback
  • Heavy-Duty Gearbox
  • Electrical Controls with AC Drive
  • Data Acquisition Hardware for On-Machine Sensors
  • Software Suite with High-Speed Data Acquisition

Annual calibration is required to maintain measurement accuracy and system performance of the HT-4000 ecosystem. Tite’n Dynamic Systems provides annual calibration services, along with training and technical support to help customers operate and maintain their entire HT-4000 system.

SpecificationDetails
Bolt DiameterRange: 1/2″ – 1 1/2″
Bolt LengthTBD
Load CellRange: 250,000 lbs
Accuracy: TBD
Torque TransducerRange: 4,000 ft-lb
Accuracy: TBD
AC MotorHP: 3
RPM: 1,700
GearboxRatio: 600:1
Max Load Capability: TBD
Test MethodsAssembly Installation Tension
Rotational Capacity Method 1 & Method 2
Turn-Of-Nut
Direct Tension Indicator
Power InputAC Drive: 240 VAC, 3PH, 30A
DAQ: 120 VAC, 15A
AIT: 120 VAC, 15A
TBDTBD
TBDTBD
TBDTBD
TBDTBD
TBDTBD
REQUEST PRODUCT INFORMATION
Skidmore HT-4000
skidmore wilhelm logo
Structural Fastener Testing

From fabrication shops to bridge and infrastructure projects, the HT-4000 helps verify that structural bolt assemblies are installed to specification. Reliable testing supports quality assurance, inspection requirements, and confidence in every structural connection.

Tension, Torque, & Rotation Measurement

Contractors, fabricators, inspectors, testing laboratories, and transportation agencies rely on the HT-4000 for accurate measurement of tension, torque, and rotation in structural bolt applications.

Computerized Data Analysis & Reporting

The HT-4000 provides computerized data acquisition and reporting to streamline documentation and support traceability throughout the testing process.

Request a Quote Today