Thread Size: M12-1.75; Thread Pitch: 1.75mm; Thread Type: Full Thread; Thread Length: 35mm Flange Dia: 26.6mm (max); Hex Drive Size: 18mm Grade 10.9 alloy steel (quenched and tempered) flange hex bolt, ensuring exceptional load-bearing capacity and fatigue resistance; Black oxide coating provides a sleek, non-reflective finish while enhancing corrosion resistance and reducing galling during installation Vibration-Proof Performance: The serrated flange nuts and lock washers create a triple-secure system (flange + lock washer + nut) to withstand extreme shocks and dynamic loads; Hexagonal head design with wide bearing surface for secure wrench/socket grip, minimizing stripping risks Each component is precision-tested for dimensional accuracy and performance, making it a go-to solution for engineers, mechanics, and fabricators worldwide Application Scenarios
This heavy-duty fastener combo pack is engineered for high-stress environments requiring precision, durability, and vibration resistance. Ideal for:
Automotive Systems: Engine mounts, suspension components, exhaust systems, and transmission assemblies.
Industrial Machinery: Assembly of heavy equipment, conveyor systems, hydraulic pumps, and agricultural machinery.
Construction & Infrastructure: Structural connections in steel frameworks, machinery bases, and modular installations.
Marine & Outdoor Equipment: Corrosion-resistant fastening for trailers, boats, and off-road vehicles exposed to moisture and harsh weather.
Custom Fabrication: DIY projects, robotics, and prototyping where reliable, reusable fasteners are critical.
Why Choose This Combo Pack?
This kit combines industrial-grade strength with smart engineering for applications where failure is not an option. The black oxide finish adds a professional aesthetic, while the Grade 10.9 hardware ensures long-term reliability in mission-critical automotive and machinery systems. Each component is precision-tested for dimensional accuracy and performance, making it a go-to solution for engineers, mechanics, and fabricators worldwide.