Premium Stainless Steel Fasteners Manufacturer
Wenzhou Qiangbang Industrial Co., Ltd. is a national high-tech enterprise specializing in R&D, production, and global sales of stainless steel fasteners since 2003. ISO9001 & TS16949 certified.
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Wenzhou Qiangbang Industrial Co., Ltd. is a national high-tech enterprise specializing in R&D, production, and global sales of stainless steel fasteners since 2003. ISO9001 & TS16949 certified.
Wenzhou Qiangbang Industrial Co., Ltd. is a large-scale stainless steel fastener manufacturer integrating R&D, production, sales, and service. Founded in 2003, we are a nationally recognized high-tech enterprise.
Our factory spans 180,000 square meters with a construction area of 40,000 square meters. We maintain over 4,000 tons of stock across more than 20,000 SKUs, ensuring timely delivery and reliable supply for global clients.
We offer a comprehensive range of stainless steel fasteners meeting international standards. All products are made from high-quality A2/A4 stainless steel for superior corrosion resistance and durability.
Hexagonal flange nut with integrated washer to distribute pressure and prevent loosening. Ideal for uneven surfaces. Made from stainless steel for corrosion resistance.
Standard six-sided hex nut made from stainless steel. Widely used in mechanical and structural assemblies. Right-hand threaded for secure fastening.
Also known as break-off or security nut. Features a hex head that shears off after tightening, making removal nearly impossible. Ideal for tamper-proof applications.
Thumb screw with hand-operated wings for easy installation without tools. Complies with DIN316 AF standard. Commonly used with wing nuts.
Designed for solar panel mounting systems. Features a T-shaped head for secure insertion into channels. Stainless steel construction for outdoor durability.
Pre-assembled nut with spinning external tooth lock washer. Provides reliable vibration resistance and easy assembly. Also known as K-Lock or Kep-L Nut.
Prevailing torque type with flange and metal insert. Suitable for high-temperature environments where nylon inserts may fail. Excellent vibration resistance.
Hex nut with flange and non-metallic nylon insert. The nylon ring grips threads to prevent loosening. Built-in washer eliminates need for separate washers.
Butterfly-style nut with large wings for hand tightening. Also known as America Type or British Pattern. Ideal for frequent assembly/disassembly.
High-performance metal lock nut with prevailing torque. Designed to resist loosening under dynamic loads and vibration. Ideal for automotive and industrial applications.
Every batch is rigorously inspected. Certified under ISO9001 and TS16949 standards for consistent quality and safety.
Over 20,000 types of stainless steel fasteners in stock. Complete categories for all industrial needs.
4,000+ tons of inventory ensure immediate availability and on-time delivery worldwide.
Experienced foreign trade team provides technical guidance and optimal fastener solutions.
We primarily use high-quality stainless steel grades A2 (304) and A4 (316) for excellent corrosion resistance. Some specialized products may use carbon steel with zinc coating or other alloys based on application requirements.
Yes, our fasteners are manufactured to meet DIN, ISO, ANSI, and other international standards. Each product category follows specific standards such as DIN934 for hex nuts, DIN6923 for flange nuts, and DIN315 for wing nuts.
We offer flexible MOQs depending on the product. For standard items in stock, we can supply even small quantities. For custom orders, MOQ varies based on specifications and production requirements.
Yes, we provide samples for quality evaluation. Standard samples are often free, with shipping cost applicable. Custom samples may require a nominal fee depending on complexity.
We are certified under ISO9001:2015 for quality management and TS16949 for automotive production. Our factory is recognized as a national high-tech enterprise in China.
For inquiries about our stainless steel fasteners, please reach out through our official website. Our sales team responds within 24 hours.
Email: wzqb@qb-inds.com
Phone: +86-13325979659
Business Hours: Mon - Sat, 7:00 AM to 6:00 PM
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