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View DetailsSend InquiryWe supply high quality black oxide countersunk hex socket bolt. Equipped with mature heat treatment technology, our fasteners possess stable tensile strength. Multiple surface treatments are available for different working environments. Widely adopted in machinery, equipment and mold assembly. We maintain sufficient stock for regular sizes and accept customized dimensions, offering stable bulk delivery for global buyers.
View DetailsSend InquiryNingbo Gangtong Zheli Fasteners Co.,Ltd supplies High Tensile Socket Head Cap Screws, Black Oxide Finish. Alternative materials and surface finishes are available for different industrial scenarios. Every fastener undergoes rigorous quality testing to secure stable performance. Suitable for machinery and structural assembly, we offer rich specifications and steady delivery to overseas hardware purchasers.
View DetailsSend InquiryWe supply reliable High Strength Galvanized Hexagonal Bolts with stable tensile performance and multiple available specifications, widely used in steel structure and construction engineering projects. Supported by standardized production and strict inspection, we maintain sufficient stock to fulfill global bulk demands. As Ningbo Gangtong Zheli Fastener Co., Ltd., we offer customized surface treatments and free samples for hardware wholesalers all over the world.
View DetailsSend InquiryOur High Strength Galvanized Hex Flange Bolts For Industrial Machinery suit machinery and construction assembly. Multiple surface finishes and complete strength grades are available, mature forging & heat treatment tech ensures high tensile strength and anti-rust capacity, full-size stock supports fast bulk shipment to global partners. Ningbo Gangtong Zheli Fastener Co., Ltd provides reliable industrial fastener supplies.
View DetailsSend InquiryOur core Galvanized Double End Studs For Solar Mounting Bracket comes with multi anti-corrosion coatings for solar and industrial piping. Equipped with full production lines and strict QC, we hold ready stock for quick shipment. NINGBO TOPBOLT METAL WORKS CO.,LTD delivers durable fasteners to worldwide solar engineering partners for long-term collaboration.
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