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Stainless Steel M8 T-Bolt Assembly for Guardrail Terminals

Our facility manufactures M8 T-bolt fastening assemblies from AISI 304 and 316 stainless steel, comprising T-head bolts, square washers, and class A2-70 hex nuts for highway guardrail terminal connections. The T-profile slides into the rail slot, while the square washer distributes clamping load across the splice plate, preventing pull-through under vehicle impact. With inherent corrosion resistance eliminating the need for galvanizing, these assemblies withstand 1,000+ hours in neutral salt spray testing and prolonged coastal exposure. Each lot undergoes 100% thread gauging, torque-tension validation, and wedge tensile testing per ISO 3506. The A4-80 variant offers enhanced pitting resistance for de-icing salt environments, ensuring long-term structural integrity of roadside safety barrier terminals.

Torx Security Screws for Outdoor Bench Assembly

Our custom Torx security screws are specially developed for assembling outdoor public seating and furniture. Featuring anti-tamper Torx drive design, these fasteners prevent unauthorized disassembly and theft, ideal for benches installed in parks, plazas and public recreational areas.
The countersunk head sits flush with metal mounting brackets for a neat finished look. Manufactured with high-grade stainless steel or corrosion-resistant plated carbon steel, they withstand harsh outdoor conditions including rain, UV exposure and wide temperature variations, maintaining stable clamping force year-round. We support custom thread sizes and surface treatments to meet different environmental requirements. With rigorous salt spray and mechanical load testing, our security fasteners deliver long-term reliability for outdoor furniture OEMs and public infrastructure projects worldwide.

Long Dowel Pins for Traffic Cone Assembly

Our precision long dowel pins are engineered for structural assembly of plastic traffic cones (road safety bollards). These solid cylindrical pins act as locating and locking components to connect the cone body and heavy base securely, maintaining structural integrity under vehicle impact and outdoor vibration.
Manufactured with tight dimensional tolerances and smooth surface finish, the dowel pins ensure interference fit during mass assembly. Available in carbon steel with anti-corrosion plating or stainless steel grades, they resist rust, moisture and temperature changes on roadsides, highways and construction zones.
We provide custom diameters and lengths to match various cone designs. Every batch undergoes hardness and dimensional inspection, delivering consistent positioning performance and long service life for traffic safety product manufacturers.