Yellow Zinc Hex Flange Head Self Drilling Screw is for steel structure fixing. Exquisite forging creates sharp drill tip for one-step mounting, zinc plating prevents rust for indoor construction. Ningbo Gangtong Zheli Fastener Co., Ltd. holds complete size stock for mass procurement, supporting South American hardware clients with stable quality and fast delivery lead time.
View DetailsSend InquiryWith strict raw material incoming inspection and automatic production workshops, Ningbo Gangtong Zheli Fastener Co., Ltd. controls every dimension tolerance of full threaded rod. Diversified anti-rust finishing options suit coastal high-salt areas and inland construction sites, stable product consistency helps importers reduce after-sales complaints and achieve continuous repeat orders.
View DetailsSend InquiryOur 20-year fastener factory supplies galvanized carbon steel serrated hex flange anti-loosening bolts. Precision cold forging guarantees solid performance for car chassis and engineering machine assembly. We cooperate with many auto parts suppliers with ready stock for quick shipment. Zinc finish improves anti-rust performance, and serrated flange stops bolt loosening. Stable bulk quality and custom specs serve export bulk orders and aftermarket stock preparation.
View DetailsSend InquiryOur Zinc Plated Slotted Pan Head Machine Screws are available in abundant sizes, widely used for electronics, machinery and equipment assembly. Ningbo Gangtong Zheli Fasteners Co.,Ltd carries out strict quality testing for every batch. We support bulk orders and customized surface treatments, delivering consistent products to hardware distributors and industrial buyers worldwide.
View DetailsSend InquiryCrafted for industrial assembly, our Oversized Load Spreading Flat Washers reduce concentrated stress and safeguard contact surfaces for construction, mechanical equipment and metal fitting projects. Ningbo Gangtong Zheli Fasteners Co., Ltd supplies ample ready stock, accepts custom specifications and provides various surface finishes to serve international importers.
View DetailsSend InquiryOur Black Oxide Allen Head Socket Cap Screws feature stable tensile strength after precise heat treatment, widely used in engineering machinery, equipment manufacturing and industrial assembly. Strict quality inspection is implemented throughout production to secure consistent product performance. Ningbo Gangtong Zheli Fasteners Co., Ltd offers customized specifications and steady bulk supply for global hardware importers.
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