Products
Screw
Corrosion Resistant Ball Head Screw
Ball head screw is a special fastener with a smooth spherical head. Its core design abandons the traditional wrenching drive method and achieves flexible rotation at multiple angles by cooperating with special spherical bearings or inner spherical screw seats.
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Dakro Round Head With Square Neck Bolts
Dacromet round head bolt with square neck is a high-performance fastener that combines unique structural design and top-notch surface treatment technology. Its round head design makes it easy to disassemble and install using conventional tools, while the square neck under the stem is its core function.
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Heat Treated Hub Bolt
Dacromet hub bolts are key fasteners in automobile wheel assemblies. They are specially designed for high strength and harsh environments, combining excellent mechanical properties with top-notch anti-corrosion protection. The product is made of high-quality alloy steel.
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Stainless Steel Internal Plum Blossom-Shaped Countersunk Screw
Stainless steel torx countersunk head screws are high-end fasteners that combine appearance, anti-loosening and excellent performance. The head adopts a unique countersunk head design and an inner plum blossom (commonly TORX) notch combination, which not only provides strong fastening force, but also achieves a smooth installation surface and an efficient assembly experience.
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Captive Hex Socket Head Cap Screw
Cylindrical head hexagonal non-shedding screws, also known as "knurled screws" or "non-shedding screws", are fasteners specially used on precision equipment that require frequent disassembly, but the screws cannot completely separate from the mother body. Its design feature is that a freely rotating elastic retaining ring or a preset knurled ring is installed on the screw.
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Standard and Non-Standard Hardware: Best Choice for Buyers
2026-05-25When buying hardware and fasteners for machines and production, buyers usually need two kinds of products: standard parts and non-standard custom parts.
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Non-Standard Nuts: Core Advantages and Professional Customization from Wenzhou Riyi Standard Parts Co., Ltd.
2026-05-20In the fast-paced industrial world, standard nuts often fail to meet the specialized needs of complex equipment and custom projects.
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Wenzhou Riyi: Your Trusted Manufacturer & Supplier of Custom Non-Standard Screws
2026-05-12In today’s competitive industrial landscape, non-standard parts are critical for meeting unique engineering and assembly requirements.
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The Growing Market Demand for Non-standard Screws and Bolts: Riyi Standard Parts’ Response
2026-05-06In the global manufacturing landscape, the demand for customized fasteners has been soaring in recent years, driven by the rapid development of high-end equipment manufacturing, new energy, aerospace, and precision instrumentation industries.
