Our zinc plated serrated hex flange lock nuts with anti-loose serrated flanges suit machinery and vehicle assembly. Ningbo Gangtong Zheli Fasteners Co., Ltd. offers various strength grades and plating, keeps plenty stock, and supplies qualified fasteners to global hardware buyers with fast delivery.
View DetailsSend InquiryNingbo Gangtong Zheli Fasteners Co., Ltd provides Black Hex Structural Bolts for steel projects. Our heat treatment and auto lines reach ASTM quality standards. In-stock sizes support quick bulk shipments. We work with worldwide construction buyers, supplying full material certificates for overseas engineering orders.
View DetailsSend InquiryWe supply Hot Dip Galvanized Tension Indicator Flat Washer of carbon steel with anti-corrosion coatings for steel bridges and buildings. It can visually test bolt tension to stabilize structural connections. We have full production lines, ready stock and custom size service. Ningbo Gangtong Zheli Fastener Co., Ltd serves global engineering purchasers.
View DetailsSend InquiryOur Galvanized Metal Flat Washers disperse pressure and resist rust for machinery assembly. Custom sizes and diverse coatings are in stock for quick shipment. Strict material tests ensure stable quality for overseas bulk buyers. Ningbo Gangtong Zheli Fastener Co., Ltd. supplies standard industrial fasteners.
View DetailsSend InquiryOur Galvanized High Tensile Double End Stud Bolt features precise threads and anti-corrosion finishes for flange, machinery and steel structure fastening. Ningbo Gangtong Zheli Fasteners Co., Ltd has complete production lines and ready stock, supports custom sizes and full pre-shipment inspection for worldwide industrial buyers.
View DetailsSend InquiryThis yellow zinc threaded rod & stud bolt features precise uniform threads with steady load capacity for solar, machinery and pipeline assembly. Strict raw material screening and CNC threading deliver stable tensile strength, smooth thread surface avoids assembly jamming and improves mounting efficiency. Custom sizes and white zinc finish are available for diverse project demands. Ningbo Gangtong Zheli Fasteners Co., Ltd supplies industrial connecting fasteners worldwide.
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