Fastener Knowledge

This guide introduces matching rules, assembly methods, installation points and taboos of GB bolts, nuts, flat washers and spring washers for standard hardware selection.

This article explains the core heat treatment process for high-strength fasteners, including principles, procedures and its effect on improving mechanical properties.

This article explains the core heat treatment process for high-strength fasteners, including principles, procedures and its effect on improving mechanical properties.

Analyze rust causes of stainless steel fasteners and introduce practical anti-corrosion methods in production,storage and installation.

This article elaborates on the process principle, film parameters, advantages and differences of zinc phosphating and manganese phosphating, compares galvanizing and blackening processes, and provides selection standards for automotive and mechanical high-strength bolts.

Compare six core performances of carbon steel and stainless steel fasteners, attach complete selection comparison table, clarify material selection rules for machinery, outdoor, chemical and vibration working scenes.

This article deeply analyzes the microscopic mechanism of bolt fatigue fracture, distinguishes vibration fatigue, stress fatigue and installation fatigue failure modes, and provides comprehensive improvement schemes from assembly, material selection, structure and operation maintenance.

Detailed selection table for bicycle fasteners, including specifications, materials, surface treatments and anti-loosening solutions for road bike, mountain bike, e-bike and folding bike.

Jiali Hardware provides one-stop bicycle fastener solutions for road, mountain, e-bike and folding bikes, including titanium alloy, stainless steel and anti-loosening screws for frame, brake, wheel and transmission.

Explain torque calculation, wrench calibration and on-site testing methods for high-strength bolts, analyze risks caused by torque deviation, and provide safety fastening and re-inspection standards.

Explain torque calculation, wrench calibration and on-site testing methods for high-strength bolts, analyze risks caused by torque deviation, and provide safety fastening and re-inspection standards.

Compare the performance differences between black oxide and galvanizing treatment for grade 8.8, 10.9 and 12.9 high-strength bolts, providing selection standards for different working conditions.