Hex Head Screw With Washer Assembly
Products Description
Hex Head Screw with Washer Assembly with pre-installed washers are modular fastener consisting of a hex head screw body and a metal or functional washer. Compared to the traditional "screw + separate washer" assembly method, this product completes assembly and matching before leaving the factory, ensuring dimensional consistency and reliability.
Core structural features:
Hex head design, compatible with standard tools, facilitating mechanized and manual installation.
Washers and screws work together to improve clamping stability.
Compact structure reduces the risk of missing parts during assembly.
Product Nature and Core Features
Integrated Structure
The washer and Stainless Steel Fastener body are precision-machined into a single unit, avoiding the cumbersome process of assembling separate washers. This also ensures the coaxiality of the washer and screw, guaranteeing even pressure transmission during tightening and improving connection stability.
High-Efficiency Drive Compatibility
The hexagonal head design is compatible with universal standard wrenches (open-end wrenches, socket wrenches, etc.), offering high torque transmission efficiency and enabling quick tightening operations. A Threaded Fastener is suitable for various scenarios, including mass production and on-site construction.
Multi-Dimensional Protection
The integrated washer increases the contact area with the fastened component, effectively dispersing tightening pressure and preventing damage caused by localized stress concentration. Simultaneously, the washer provides dustproof and scratch-resistant protection for the surface of the fastened component.
Multi-scenario adaptability
Stainless Steel Screw covers multiple thread specifications, such as metric and imperial, supports size customization of different lengths and diameters, and adapts to diverse fastening needs from light electronic components to heavy mechanical structures, with strong compatibility.
Main Functions: More Than Just Fastening
Stable Mechanical Connection
Provides a strong clamping force, tightly locking two or more components and preventing separation under dynamic loads.
01
Surface Protection and Stress Dispersion
The washer acts as an intermediary, preventing the rotating Metal Steel Screw Hardware Fasteners head from directly rubbing against the workpiece surface, protecting the paint or oxide layer. Simultaneously, it evenly distributes clamping force, improving the fatigue life of the connection structure.
02
Installation Error Prevention and Correction
The washer provides alignment to a certain extent. Even when the substrate surface is not perfectly flat, the washer can fill tiny gaps through its deformation, ensuring the Hex Head Screw with Built-in Washer is clamped vertically.
03
Electrical Continuity (Special Models)
In the electronics field, steel flat washer assemblies can pierce the surface insulating oxide layer, ensuring the continuity of the grounding circuit and achieving reliable electrical grounding.
04
Materials Science: Engineering Applications of High-Strength Alloys
The material selection for hexagonal head screws with washers directly impacts their performance boundaries and applicable scenarios:
High-Strength Alloy Steel Series (e.g., Grade 8.8)
Microalloying treatment achieves yield strengths exceeding 640 MPa.
Excellent balance of tensile strength and toughness, suitable for high-load connections in mechanical structures. Optimized heat treatment processes ensure consistent mechanical properties between the Hexagon Head Screw with Attached Washer head and washer.
Stainless Steel Series (304/316L)
304 stainless steel offers good corrosion resistance, suitable for humid environments.
316L stainless steel contains molybdenum, enhancing resistance to chloride corrosion, suitable for chemical and marine equipment. Its non-magnetic properties meet the stringent requirements of electronic equipment for magnetic field interference.
The Engineering Value of Material Selection:
The thermal expansion coefficients of different materials are precisely calculated to match the substrate. For example, the thermal expansion coefficients of 304 stainless steel screws have a small difference from aluminum substrates, preventing loosening due to temperature changes, while high-strength alloy steel provides optimal holding force on carbon steel substrates. This engineering selection of materials allows products to adapt to diverse needs, from precision electronic equipment to heavy machinery.
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