Gli inserti per Viti autofilettanti con intaglio sono inserti filettati interni ed esterni con scanalature assiali. Possono essere avvitati in fori preforati per formare filettature interne ad alta resistenza tramite autofilettanti. Uniscono la facilità di avvitamento delle "Viti a testa cilindrica con intaglio" alla versatilità delle "Viti con intaglio". Non è richiesta alcuna pre-tappatura. Possono riparare rapidamente fili strappati o creare direttamente fili resistenti all'usura in alluminio, plastica e legno. Sono ampiamente utilizzati nelle parti in plastica automobilistiche, negli alloggiamenti elettronici e negli attacchi da sci.

Wuxi Feisheng Hardware Products Co., Ltd. si trova nella bellissima città di Wuxi, sulle rive del lago Taihu, all'interno del parco industriale Meicun del distretto di Wuxi Xinwu.  Si trova a soli 5 minuti di auto dall'uscita Wuxi East Expressway, situata nel cuore della zona economica del delta del fiume Yangtze, una regione dotata di eccezionali risorse naturali e culturali. L'azienda è specializzata nella ricerca, sviluppo, produzione, vendita e assistenza di inserti filettati, Inserti filettati autofilettanti e strumenti correlati ed è attualmente uno dei pochi produttori con tre linee di produzione di inserti filettati.

Fin dalla sua fondazione, l'azienda si è impegnata a soddisfare le reali esigenze dei clienti e a fornire loro inserti filettati della massima qualità.  Aderiamo a una politica di qualità di miglioramento continuo, seguendo rigorosamente gli standard nazionali, militari e aerospaziali e abbiamo sviluppato standard e procedure di test dei prodotti propri.

Per migliorare ulteriormente la qualità del prodotto e garantire la stabilità, l'azienda introduce continuamente tecnologie e attrezzature avanzate nazionali e internazionali, ottenendo processi di produzione completamente automatizzati. Durante l'intero processo produttivo, a intervalli predeterminati, vengono condotti test multilivello utilizzando strumenti di misurazione avanzati ad alta precisione. Crediamo fermamente che un buon prodotto richieda un'attenzione meticolosa ai dettagli in ogni fase, garantendo le prestazioni e la qualità di ogni lotto di inserti filettati con spirito artigianale, fornendo ai clienti prodotti di prima classe e superando continuamente le loro aspettative.

Grazie agli sforzi continui del team Feisheng, gli inserti filettati Feisheng sono stati ampiamente utilizzati nel settore aerospaziale, ferroviario ad alta velocità, nella produzione automobilistica, nella produzione di energia, nei macchinari, nel 5G e nella pressofusione di macchinari generali. In particolare, la nostra azienda si distingue nel settore dei veicoli a nuova energia; i nostri inserti filettati sono oggi utilizzati in molti veicoli elettrici sulla strada. Il nostro obiettivo nel campo degli inserti filettati è diventare leader nel settore asiatico degli inserti filettati, un produttore di inserti filettati professionale e un leader del settore. Diamo il benvenuto a vecchi e nuovi clienti e amici a visitare la nostra fabbrica per orientamento e cooperazione!

Nel 2003, ha superato la certificazione internazionale del sistema di qualità ISO9001:2000

Nel 2018 ha superato la certificazione del sistema di gestione della qualità ISO/TS16949

Certificazione del sistema aeronautico nel 2021

aggiungere:F鞥er road 38# me i Pure street X nel distretto di W u W U ξ città nella provincia di Jiangsu

Fax: +86-510-83796863

Vendite nazionali del marchio: Sig.ra Yang  +86-13815109735

Commercio internazionale: Sig. Liu  +86-15961756595

Soluzione del sistema di fissaggio: Sig. Li  +86-13771186996

Sito web: www.wxfslt.com

E-mail: wxlikenai@163.com

Wechate: 15961756595

Nel mondo dell'assemblaggio e della produzione, la necessità di creare fili durevoli e riutilizzabili in materiali morbidi o fragili è stata a lungo una sfida. Come soluzione sono emersi gli inserti filettati e, tra questi, l'inserto per viti autofilettanti con intaglio si distingue per la sua facilità d'uso, versatilità e capacità di migliorare l'integrità strutturale di innumerevoli prodotti. Dagli interni automobilistici all'elettronica di consumo e ai mobili, questi inserti svolgono un ruolo fondamentale nel garantire che le viti rimangano fissate saldamente, anche in materiali che altrimenti cederebbero sotto sollecitazioni ripetute.  

At its core, a slotted self-tapping screw insert is a cylindrical component designed to be installed into a pre-drilled pilot hole in a host material (such as plastic, wood, or thin metal) to create a strong, permanent internal thread. Unlike traditional press-fit or heat-set inserts, this type features two key design elements: external self-tapping threads and longitudinal slots along its body.  

The external self-tapping threads are engineered to cut into the host material as the insert is driven in, eliminating the need for pre-tapping the hole. This simplifies the installation process and reduces assembly time. The longitudinal slots—usually 2 to 4 in number, running from the top of the insert to near the bottom—allow the insert to compress slightly during installation. This flexibility is crucial: it reduces the risk of cracking the host material (especially in soft plastics or brittle woods) and ensures a tight, secure fit that resists loosening under vibration or load.  

Internally, the insert features a standard thread (metric or imperial) that accepts a screw, and often a drive feature (like a slotted head or hex socket) to facilitate installation with a tool such as a screwdriver or Allen Wrench.  

To understand why slotted self-tapping inserts are so effective, let’s break down their key design features and how they contribute to performance:  

1. Slotted Body  

The slots are not just a cosmetic detail—they are integral to the insert’s functionality. When the insert is driven into the pilot hole, the slots allow the external threads to bite into the host material while the insert’s body flexes. This flexibility distributes stress evenly across the host material, preventing localized cracking. For example, in a plastic dashboard component, the slots help the insert adapt to the plastic’s natural elasticity, ensuring a secure fit without damaging the part.  

2. Self-Tapping External Threads  

These threads are sharp and aggressive, designed to cut through the host material rather than relying on pre-formed threads. This feature is particularly useful in materials where pre-tapping is difficult or impossible (like thin metal sheets or composite materials). The self-tapping action creates a mechanical lock between the insert and the host, which is far stronger than a press-fit connection.  

3. Material Options  

Slotted self-tapping inserts are available in a range of materials to suit different applications:  

Steel: Zinc-plated steel is a common choice for general-purpose applications, offering strength and corrosion resistance.  

Stainless Steel: Ideal for outdoor or wet environments (like marine equipment or garden furniture) due to its superior rust resistance.  

Brass: Used in electrical applications (brass is a good conductor) and for its non-magnetic properties, as well as corrosion resistance.  

Aluminum: Lightweight and corrosion-resistant, making it suitable for aerospace or automotive applications where weight reduction is a priority.  

4. Headed vs. Headless Designs  

Headed inserts have a flange at one end that acts as a stop, preventing the insert from being driven too deep into the host material. This is useful for applications where a flush surface is not required, or where the flange provides additional stability. Headless inserts, on the other hand, are designed to sit flush with the host material’s surface, making them ideal for aesthetic applications (like furniture or consumer electronics) where a clean look is important.  

Installing a slotted self-tapping insert is straightforward, but following the correct steps is essential to ensure optimal performance:  

Step 1: Select the Right Insert and Pilot Hole Size  

First, choose an insert that matches the internal thread size of the screw you plan to use, and the host material’s properties. Manufacturers provide detailed specifications, including the recommended pilot hole diameter. Using the wrong pilot hole size is a common mistake—too small, and you risk cracking the host material; too large, and the insert will not grip securely.  

Step 2: Drill the Pilot Hole  

Using a Drill Bit of the specified diameter, drill a pilot hole to a depth slightly greater than the insert’s length. This prevents the insert from bottoming out during installation, which could damage the host material or the insert.  

Step 3: Drive the Insert  

Using a tool that fits the insert’s drive feature (e.g., a slotted screwdriver for a slotted insert), align the insert with the pilot hole and apply steady, even torque. The self-tapping threads will cut into the host material, and the slots will allow the insert to flex and create a tight fit. Be careful not to over-torque—this can damage the host material or strip the insert’s threads.  

Step 4: Verify the Installation  

After installation, check that the insert is seated correctly (flush for headless inserts, or the flange is in contact with the surface for headed inserts). Test the internal thread by screwing in the desired fastener to ensure it fits smoothly and securely.  

Slotted self-tapping inserts are used in almost every industry where strong, reusable threads are needed. Here are some key applications:  

In automotive manufacturing, these inserts are widely used in plastic components like interior panels, door handles, and dashboard parts. For example, a plastic door panel might use an insert to mount a speaker—this ensures that the speaker’s Screws do not strip the plastic threads over time, even with repeated removal for maintenance.  

In devices like laptops, smartphones, and printers, slotted self-tapping inserts are used to secure components like batteries, motherboards, and casings. For instance, a laptop’s plastic base might use these inserts to hold the screws that attach the hard drive—this prevents the screws from pulling out when the hard drive is replaced.  

Wooden furniture often relies on these inserts to create durable threads. For example, a wooden cabinet door might use a brass insert to attach the hinge—this ensures that the hinge remains securely fastened, even with frequent opening and closing.  

In aerospace applications, lightweight materials like aluminum and composites require inserts that can handle high loads without adding weight. Slotted self-tapping inserts made from aluminum or titanium are ideal here—they provide strong threads while keeping the overall weight of the component low.  

In medical equipment like surgical tools and diagnostic devices, these inserts are used in plastic or metal housings. For example, a plastic casing for a blood glucose monitor might use stainless steel inserts to hold the screws that keep the device closed—this ensures the device remains sterile and secure.  

Slotted self-tapping inserts offer several advantages over other types of inserts:  

1. Ease of Installation: No pre-tapping required, which saves time and reduces assembly costs.  

2. Versatility: Can be used in a wide range of materials (plastic, wood, metal, composites).  

3. Strong Grip: The self-tapping threads and slotted design create a tight, vibration-resistant fit.  

4. Reusability: The internal thread can be used repeatedly without stripping, making it ideal for components that require frequent disassembly.  

5. Cost-Effective: Compared to heat-set or press-fit inserts, these are often cheaper and easier to install, making them a popular choice for mass production.  

The future of slotted self-tapping inserts is focused on miniaturization, sustainability, and smart technology:  

Miniaturization: As devices become smaller (like wearables and micro-electronics), inserts are being designed in tiny sizes to fit into compact components.  

Sustainability: Manufacturers are developing inserts made from recycled materials (e.g., recycled steel) to reduce environmental impact.  

Smart Inserts: Inserts with integrated sensors are being developed to monitor thread tightness and detect damage, which is useful in critical applications like aerospace and automotive.  

Slotted self-tapping screw inserts are a small but essential component in modern manufacturing. Their unique design—combining self-tapping threads and slotted bodies—solves the problem of weak threads in soft or fragile materials, enhancing the durability and reliability of countless products. Whether in a car’s dashboard, a laptop’s casing, or a wooden cabinet, these inserts play a crucial role in ensuring that components remain securely fastened, even under repeated stress. As technology advances, we can expect to see even more innovative uses for these versatile inserts, making them an integral part of manufacturing for years to come.