Precision Male Female Isolation Column

Precision Male Female Isolation Columns are professional insulated threaded spacing fasteners tailor-made for electronic isolation assembly and circuit board installation. Featuring a unique male-female threaded matching structure, one end is external male thread and the other end is internal female thread, enabling self-assembly and stacked installation. Different from ordinary metal standoffs, this isolation column focuses on electrical insulation, vibration damping and circuit isolation functions, effectively solving short circuit, current leakage and signal interference problems caused by metal contact conduction. With precise dimensional tolerance, stable structural toughness and excellent insulation performance, it can stably fix and separate PCBs, control panels, electrical modules and equipment shells. It is an essential standardized accessory for precision electronic equipment, communication devices, industrial control systems and new energy electrical assemblies.

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Product Description

Product Parameter

Parameter Item	Detailed Specification
Product Name	Male Female Isolation Column, Insulated Threaded Spacer, PCB Isolation Stand-off, Electronic Insulation Pillar, Stackable Isolation Screw Column
Executive Standard	Electronic fastener industry standard, IEC insulation specification, support custom drawing production
Available Material	Nylon PA66, ABS plastic, Glass Fiber Reinforced Plastic, insulating plastic alloy
Thread Specification	M2, M2.5, M3, M4, M5 universal electronic metric thread
Size Range	3mm-150mm customizable length, complete standard spacing sizes
Structural Feature	Male-female threaded integration, stackable assembly, hollow/full solid optional, hexagonal/cylindrical outer shape
Surface Treatment	Smooth polished finish, anti-aging surface treatment, matte insulation treatment
Core Performance	High insulation resistance, anti-aging, shock absorption and noise reduction, anti-short circuit, lightweight and durable
Applicable Temperature	-20℃ ~ +120℃ stable working temperature
Application Scenarios	PCB circuit board isolation, electrical box assembly, communication equipment, industrial control modules, new energy electrical accessories, precision instrument fixing
Custom Service	Custom size length, thread depth, outer shape, color, high temperature resistant modification and laser marking

Material & Raw-Material Inspection

All Precision Male Female Isolation Columns adopt high-purity new insulating plastic raw materials, no recycled materials, ensuring stable insulation performance and mechanical toughness. Incoming raw materials undergo strict insulation resistance testing, high and low temperature resistance aging test and tensile strength sampling inspection. Raw material surface is free of impurities, bubbles and cracks to avoid poor insulation and easy fracture of finished products. Each batch of raw materials has complete inspection records to ensure batch stability and meet electronic industry safety standards, effectively avoiding circuit safety hazards caused by unqualified materials.

Precision Male Female Isolation Column

Installation Guidance & Installation Notes

This male female isolation column supports single fixed installation and multi-layer stacked assembly, adapting to different circuit board spacing requirements. During installation, align the male thread with the reserved threaded hole and screw it gently, do not apply excessive force to prevent thread sliding or column body cracking. It is strictly forbidden to match with metal conductive accessories across layers to avoid losing insulation effect. For multi-layer PCB assembly, install isolation columns evenly at the four corners and middle positions to ensure uniform stress and flat board installation. Avoid use in high-temperature and high-humidity extreme environments for a long time to prevent material aging and performance attenuation.

Application Cases & Project Reference

Widely applied in various precision electronic isolation assembly projects. In communication equipment projects, it is used for internal circuit board isolation and fixing, effectively reducing signal interference and improving equipment operation stability. In new energy control box projects, it isolates conductive components to prevent short circuit and leakage risks, improving electrical safety. In industrial automation equipment, it realizes layered spacing of control modules, with shock absorption effect to reduce vibration damage of precision circuits. It also supports customized matching for medical instruments, smart home equipment and automotive electronic assembly projects, with rich engineering supporting experience.

Order & Customization Description

All standard sizes are in stock with fast delivery and flexible MOQ to support small-batch trial orders and large-batch project bulk orders. We support full-range non-standard customization, including special length, special thread specification, high temperature resistant enhanced version, customized color and special-shaped outer structure. We can provide insulation test reports, aging resistance test reports and product qualification certificates. Adopt professional anti-pressure packaging to prevent product damage during transportation, and support exclusive customized packaging and OEM marking for brand customers.

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