Products
Screw
One-Slot Reverse Thread Screw
The round head slotted counter-thread screw is a fastener specially designed for special anti-loosening needs. Its core feature is the left-hand thread (reverse thread), which follows the reverse operation rule of "counterclockwise tightening, clockwise loosening", which can effectively resist the loosening tendency of the equipment during regular rotation and provide active anti-loosening protection.
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Stainless Steel Stepped Slotted Screw For Machinery Assembly
The step screw is an exquisitely designed fastener that perfectly combines functionality and convenience. Its core advantage lies in its unique stepped design, which can effectively act as a mechanical stopper to prevent installation from being too deep, accurately control the locking depth, protect the workpiece surface and ensure assembly consistency.
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Color-Plated Cross Step Screws
Color-plated cross step screws are high-end fasteners that combine excellent performance with exquisite appearance. Its unique "step" design has the dual functions of a washer and a screw, which not only simplifies the installation process, but also provides a larger pressure-bearing area, effectively prevents loosening and damage to the installation surface, and ensures a stable and reliable connection.
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Stainless Steel Anchor Bolts For Concrete Foundations
Anchor screws, also known as anchor bolts or anchors, are critical fasteners used to securely secure steel structures, equipment or building components into concrete foundations. Its core function is to form a permanent connection between the superstructure and the foundation, and transfer huge loads (such as tension and shear forces) to the concrete through pre-embedding or post-anchoring, thereby ensuring the stability and safety of the structure.
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Dacromet Hexagonal Column Wheel Hub Bolts
Dacromet hexagonal hub bolt is a high-performance and high-reliability fastener specially designed for automobile wheel connection. Its core value is to provide double guarantee for vehicle driving safety: excellent corrosion resistance and solid mechanical connection.
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Stainless Steel Countersunk Head Inner Square Self-Tapping Screws
This product is a high-performance fastener, made of high-quality stainless steel, with excellent rust and corrosion resistance, and is suitable for various harsh environments. Its core feature is the square hole embedded in the head, which can withstand greater torque, effectively prevent the screwdriver from slipping during tightening, and make the connection stronger and more reliable.
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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.
