Round Hole Seat Straight Insert Type - Professional Product

SPECIFICATIONS:

Insulator：Black glass filled polyester PBT-GF30-FR UL94V-0

Sleeve：Brass CuZn36Pb3(C36000)

Contact clip/4 finger：Beryllium copper(C17200)

Accepted pin Ø：0.38 to 0.64mm

Forces：(Polished steelgauge Ø0.43mm)

Insertion：2N typ

Withdrawal：1N typ

Mechanical life：min500 cycles

Rdted current：3A

Contact resistance：max 10 mΩ

Dielectric strength：min 1000VRMS

Regarding material specifications, our straight insert round hole seat provides multiple high-quality material options, including high-strength carbon steel, 304/316 stainless steel, aluminum alloy, engineering plastic (PA6T/LCP/PPS), and copper alloy. The metal series products undergo integral forging and anti-rust surface treatments such as galvanization, nickel plating, passivation, and sandblasting, with a surface hardness reaching HV 200-400, effectively resisting friction, extrusion, and impact damage. The engineering plastic series features high toughness, insulation, anti-corrosion, and low-density characteristics, suitable for lightweight and electrically insulated working scenarios. The product working temperature range covers -40℃ to 85℃, enabling stable operation in extreme cold, high temperature, humid, and dry working environments without deformation, cracking, or loosening.

In terms of installation and mechanical parameters, the pure straight plug-in structure realizes interference fit and clearance fit dual assembly modes according to customer needs. The standard interference fit tolerance ensures firm positioning after insertion, with a pull-out resistance of up to 500-2000N, avoiding displacement and loosening during long-term vibration and load operation. The product surface adopts anti-slip and anti-friction optimization design, which can maintain stable assembly accuracy after repeated disassembly and insertion. All products comply with international industrial standards, including RoHS environmental protection certification and ISO9001 quality system certification, meeting the strict quality requirements of global commercial and industrial applications.

The straight insert round hole seat stands out from traditional fixed hole seats and connection accessories by virtue of its unique pure straight plug-in installation structure and superior comprehensive performance, bringing unprecedented convenience and cost-saving benefits to customer assembly and application. The first core advantage is the tool-free rapid installation. Different from traditional products that require screws, bolts, welding, and glue fixing, our straight insert round hole seat realizes one-step direct plug-in installation. The whole assembly process takes only 2-3 seconds for a single piece, which improves the installation efficiency by more than 80% compared with traditional fixing methods, greatly saving labor costs and assembly time for production and processing enterprises.

Secondly, the product has high precision and strong compatibility. All dimensional parameters are produced in accordance with international standard sizes, with ultra-low tolerance error, which can be perfectly matched with standard shafts, bolts, and mounting holes of various equipment. The smooth inner hole processing ensures no scratch or wear on the matching parts during plug-in and use, effectively protecting the matching accessories and reducing equipment loss and maintenance costs. The standardized design makes the product universally compatible with most mechanical equipment, office furniture, electronic appliances, and industrial automation equipment on the market, with no need for secondary hole expansion and modification, realizing direct replacement and assembly.

Thirdly, the product features excellent stability and shock resistance. The optimized straight plug-in structure adopts integral molding technology without splicing gaps. After installation, it can closely fit with the mounting base, effectively resisting vibration, extrusion, and axial and radial pressure generated during equipment operation. It will not produce loose, offset, and noise problems during long-term high-frequency operation. The metal surface anti-rust and anti-corrosion treatment enables the product to resist oxidation, acid and alkali corrosion, and humid air erosion, adapting to harsh working environments such as factories, workshops, outdoor equipment, and humid warehouses. The plastic material version has excellent insulation and anti-aging properties, which can safely serve in electrical and electronic equipment scenarios.

Fourthly, easy maintenance and reusable performance is a major highlight of the product. The straight plug-in structure supports repeated disassembly and assembly without damaging the product and mounting holes, which is convenient for customers to carry out equipment maintenance, part replacement, and product upgrading. Compared with welded and glued fixed hole seats that can only be used once, our reusable round hole seat greatly reduces the customer's accessory replacement cost and improves the overall utilization rate of equipment accessories. In addition, the product has a lightweight design, with small size and compact structure, which does not occupy extra installation space and is suitable for miniaturized and integrated equipment assembly.

Furthermore, we support customized personalized services. On the basis of standard specifications, we can customize special aperture, height, thickness, material, surface color, and anti-special environment treatment according to customers' unique application needs, including high temperature resistance, strong corrosion resistance, anti-static, and waterproof customized versions. All customized products follow the original straight plug-in installation mode, ensuring the consistency of installation efficiency and product performance. With strict quality control from raw material selection to production and processing, every product is inspected layer by layer to ensure zero defective products delivered to customers, providing stable and reliable accessory support for long-term operation of customer equipment.

Thanks to its efficient installation, stable performance, strong compatibility, and diverse material options, our straight insert round hole seat is widely used in commercial, industrial, civil, and high-tech fields, covering almost all scenarios that require hole position positioning, fixed assembly, and auxiliary connection. In the industrial automation and mechanical equipment field, the product is used for fixed assembly of automated production lines, mechanical bearings, shaft parts, transmission equipment, and auxiliary mechanical positioning. Its shock resistance and high stability ensure the precise operation of automated equipment, and the rapid installation feature greatly improves the production line assembly efficiency, suitable for large-scale batch production and equipment debugging work.

In the furniture hardware and architectural decoration industry, the straight insert round hole seat is applied to the assembly of office furniture, custom cabinets, wardrobes, sofa brackets, and architectural decorative parts. The tool-free installation simplifies the furniture assembly process, reduces the technical threshold of manual installation, and improves the flatness and firmness of furniture connection. The anti-rust and wear-resistant properties ensure the long-term use effect of furniture accessories, avoiding loose and noisy furniture after long-term use, improving product quality and user experience for furniture manufacturers.

In the electronic and electrical equipment field, the insulating plastic round hole seat is widely used for internal positioning and fixing of household appliances, communication equipment, precision electronic instruments, power distribution equipment, and automotive electronic parts. It effectively isolates circuits, prevents static conduction, protects electronic components from vibration damage, and ensures the safe and stable operation of electronic equipment. The miniaturized precision specifications are perfectly suitable for the internal compact assembly environment of precision electronic equipment, realizing accurate positioning and stable support.

In the outdoor equipment and environmental protection industry, the stainless steel and high-strength treated round hole seats are used for outdoor monitoring equipment, street light brackets, outdoor fitness equipment, environmental protection detection equipment, and garden facilities. They can resist wind, rain, humid oxidation, and ultraviolet erosion, maintaining stable structural performance in long-term outdoor open environments and reducing equipment maintenance frequency and replacement cost. In addition, the product is also applicable to medical equipment, toy accessories, logistics equipment, and aerospace auxiliary accessories and other high-precision and high-standard fields, providing reliable basic connection support for various industries.

Q1: What is the mounting method of the through-hole solder circular receptacle?
A1: Through-hole soldering mounting: The contact pins of the connector vertically pass through pre-drilled PCB vias. Pins extend out of the bottom side of PCB and are fixed by soldering on the rear side of the circuit board.

• Attach the locating face of circular receptacle to the top side of PCB, insert pins vertically into PCB through-holes.
• Align positioning posts into PCB locating holes to prevent rotation.
• Solder exposed pins on PCB rear side (available for wave soldering or manual soldering).
• Clean flux after soldering; inspect for cold solder joint & bridging, and check mechanical tightness by slight shaking test.

Q2: Is the product compatible with non-standard mounting hole sizes?
A2: Our standard products cover most mainstream standard sizes on the market. For non-standard special sizes, we provide professional customized services. We can customize exclusive aperture, outer diameter, and height specifications according to customers' actual mounting hole sizes and equipment needs to ensure 100% fitting installation effect.

Q3: Can the round hole seat be reused after disassembly?
A3: Yes. The straight plug-in assembly structure will not cause damage to the product body and matching parts during disassembly. After repeated disassembly and insertion, the product can still maintain good assembly tightness and positioning accuracy, with strong reusability and high cost performance.

Q4: What working environments is the product suitable for?
A4: Different material versions adapt to different environments. Metal anti-corrosion versions are suitable for industrial workshops, outdoor humid and corrosive environments; insulating plastic versions are suitable for electronic and electrical insulation scenarios; high-temperature resistant customized versions can work stably in high-temperature operating environments. The overall product adapts to most indoor and outdoor civilian and industrial conventional environments.

Q5: Can you provide sample testing service?
A6: Yes. We support free sample delivery for customers to test product size, installation effect, and performance. Customers can verify the product applicability through samples before bulk procurement to avoid procurement risks and ensure that the product fully meets actual use needs.

We are a professional manufacturer focusing on the R&D, production, and customization of straight insert round hole seats and various hardware connection accessories. With mature production technology, complete production equipment, and a professional technical team, we are committed to providing global customers with high-precision, high-quality, and cost-effective hardware accessory solutions. We not only provide standard specification products but also support personalized customization of various special products according to customer drawings and samples, meeting the diverse application needs of different industries.

We adhere to the service concept of "Quality First, Customer Supreme, Efficient Service, and Win-Win Cooperation", and provide one-stop services including product consultation, scheme design, sample testing, batch production, logistics distribution, and after-sales maintenance. Whether you need small-batch retail procurement or large-batch customized supporting services, we can respond quickly and provide professional technical guidance and product solutions.

Welcome global customers from all industries to contact us for product consultation, price inquiry, sample application, and customized cooperation. We will provide you with accurate product parameters, favorable quotation, and thoughtful full-cycle service. We look forward to establishing long-term stable and mutually beneficial cooperative relationships with customers around the world and creating greater commercial value together.