Manufacturing Capability & Factory Overview
Our enterprise is a large-scale standard fastener manufacturer operating a spacious production facility covering 3,050 square meters. The facility is equipped with high-precision manufacturing equipment, including multi-position cold heading machines (models 12b, 14b, 16b, 24b, 30b, 33b) and hot forging machinery with capacities ranging from 200 tons, 280 tons, 500 tons, up to 800 tons. Supporting machinery includes thread rolling machines, oil presses, and comprehensive testing devices. An experienced technical research team, quality control management, and an organized production environment back our operations.
Integrating research, development, and marketing, the facility produces standard and specialized components. Key offerings include hexagon bolts, full thread rods, stud bolts, washers, and tailored custom parts manufactured from materials such as 35CrMo, 40Cr, 45#, 35#, 35K, 10B21, and Q235. The catalog contains over 1,000 product specifications supplied to clients globally, including regions across Europe, Africa, Southeast Asia, and South America.
Frequently Asked Questions
What are self-locking washers and how do they work?
Self-locking washers utilize tension instead of friction to secure bolted joints. They feature cams on one side and radial teeth on the opposite side. When dynamic vibration occurs, the cam design creates a wedge effect that locks the fastener in place, preventing loosening.
What materials are these washers made from?
These self-locking washers are manufactured from high-durability carbon steel (steel) and premium stainless steel, providing robust mechanical performance and options for high corrosion resistance depending on the project environment.
What sizing options are available for this model?
The washers are compatible with screw sizes ranging from M10 to M30 (specifically M10, M12, M16, M18, M20, M24, and M30). They feature an inside diameter of 20mm and an outside diameter of 30mm for standard configurations.
What surface treatments/finishes are offered?
The washers are available in standard zinc-plated and plain finishes. The zinc coating provides additional rust protection, making them suitable for outdoor and harsh industrial environments.
Which industries commonly utilize these self-locking fasteners?
Due to their reliable locking properties under vibration, they are widely used in heavy industry, mining, oil & gas, automotive manufacturing, water treatment systems, food and beverage processing, healthcare, and retail equipment.
Do you manufacture non-standard sizes?
Yes. Utilizing raw materials like 35CrMo, 40Cr, 45#, 35#, and Q235, our facilities support the engineering and custom production of national standard and non-standard mechanical parts to fit specific engineering needs.
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