The shear head bolt mechanical connector ccbit21695 jera line is engineered for reliable structural connections in demanding environments. This component combines precision threading with robust materials to deliver consistent load transfer and long term performance.
Designed to meet strict industry standards, the ccbit21695 shear head bolt supports complex loading scenarios where mechanical integrity and installation efficiency are critical. The following sections detail its specifications, performance characteristics, and practical applications.
| Part Number | Shear Strength (kN) | Thread Diameter (mm) | Intended Use |
|---|---|---|---|
| CCBIT21695 JERA LINE | 350 | 16 | Primary structural joints in steel frameworks |
| Standard Certification | ISO 13916 | Class 8.8 | Compatible with JERA line testing protocols |
| Installation Method | Torque Wrench | M16 | Controlled tightening to specified preload |
| Environmental Rating | Salt Spray > 96 h | Sealed Threads | Suitable for offshore and high humidity conditions |
Shear Head Bolt Design Principles
The ccbit21695 jera line shear head bolt employs a calibrated head geometry that governs failure mode under cyclic loading. By controlling the necking position, the connector ensures predictable shear failure while minimizing bolt elongation.
Thread rolling and heat treatment enhance fatigue resistance, allowing the joint to absorb dynamic forces without early damage. Material traceability and dimensional checks support consistent behavior across production batches.
Mechanical Connector Performance in Steel Joints
In structural steel connections, the ccbit21695 jera line functions as a primary load path element, transferring shear forces between adjacent members. Proper spacing and edge distances are essential to maintain effective force distribution.
Compatibility with standard bolts and hardened washers further simplifies integration into existing fabrication workflows. The connector meets regulatory expectations for seismic and high wind regions when installation procedures are followed precisely.
Installation Procedures and Quality Control
Installation of the shear head bolt mechanical connector ccbit21695 jera line requires strict adherence to torque sequence and tightening values. Over or under tightening can shift the failure mode away from the intended shear plane.
Recommended practices include surface cleaning, correct tool calibration, and verification of preload using calibrated indicators. Documentation of each step supports audit trails and long term reliability.
Technical Specifications and Standards
The ccbit21695 jera line complies with dimensional tolerances that align with leading international standards for high strength structural bolts. Key parameters are summarized to assist engineers in specification and procurement.
| Specification Parameter | Nominal Value | Test Method | Acceptance Criteria |
|---|---|---|---|
| Tensile Strength | 800 MPa | ASTM E8 | |
| Yield Strength | 640 MPa | ISO 6892 | |
| Shear Failure Load | 350 kN | Proof Test | |
| Diameter | 16 mm | Calipers | |
| Head Height | 8.5 mm | Height Gauge |
Material Selection and Corrosion Protection
Material choice for the ccbit21695 jera line emphasizes a balance between strength, ductility, and environmental durability. Steel grades are selected to match the connected elements while avoiding galvanic incompatibility.
Protective coatings such as zinc plating or specialized sealants are applied to extend service life in harsh atmospheres. Regular inspections in aggressive environments help detect early signs of coating degradation and enable timely maintenance.
Key Takeaways for Engineers and Installers
- Verify material certification and test reports before installation.
- Follow the prescribed torque sequence and tightening values for consistent performance.
- Ensure adequate edge distances and bolt spacing to maintain expected failure modes.
- Apply suitable corrosion protection when the connector is used in aggressive environments.
- Document each step of installation and inspection to support long term maintenance.
FAQ
Reader questions
What is the typical application for the ccbit21695 jera line shear head bolt in structural projects?
The ccbit21695 jera line shear head bolt is commonly used in primary steel connections where high shear capacity and controlled failure mode are required, such as moment-resisting joints in multi story buildings and heavy fabrication assemblies.
How does the shear head geometry affect the performance of this mechanical connector under seismic loading?
The calibrated head geometry limits premature bolt elongation and directs energy into ductile failure modes, allowing the joint to dissipate seismic energy while maintaining component continuity within design limits.
Which installation tools and procedures are recommended to achieve consistent preload with the ccbit21695 jera line bolt?
Using a calibrated torque wrench in a sequential tightening sequence, combined with verified thread lubrication and clean mating surfaces, helps achieve the specified preload and ensures predictable structural behavior. Inspection includes dimensional checks, visual assessment of coatings, and proof testing to the relevant standard, supported by material test reports and traceable certification documentation for quality assurance.