Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of blue zinc csk head self tapping screws in China. Welcome to buy bulk high quality blue zinc csk head self tapping screws made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.
Key Features
CSK (Countersunk) Head:
Provides a flat, flush finish ideal for applications where a smooth surface is required.
Self-Tapping Thread: Designed to cut into materials such as plastic, wood
Material & Coating: Made from carbon steel with electro-galvanized zinc coating, offering reliable rust resistance for indoor and general-purpose use.
Standard Sizes
Diameter: 4.2mm, 4.8mm
Length: 13mm to 50mm
Application Scenarios
These screws are widely used in：
Furniture assembly and cabinetry
Plastic component fastening
Light gauge metal fixing
Automotive interior trim
General construction and DIY projects
Factory Strength & Clients
Our factory is equipped with advanced automated production lines and strict quality control systems, with an annual output exceeding [X] tons. We have partnered with clients across Europe, North America, Southeast Asia, and the Middle East, including well-known distributors, hardware brands, and industrial manufacturers. Images of our production facility and cooperative partners are available upon request to demonstrate our scale and reliability.
Custom Packaging Services
We offer flexible packaging options to meet diverse market needs, including:
Bulk cartons for industrial users
Retail-ready blister packs or poly bags with custom labels
OEM packaging with your brand design and specifications
Factory Strength & Global Clients
Our manufacturing facility spans 12,000 square meters and operates 8 high-speed cold heading production lines, 6 automatic thread rolling machines, and 4 advanced heat treatment lines, supported by a dedicated in-house laboratory for material and coating testing. With an annual output exceeding 8,000 tons, we maintain consistent inventory and short lead times.
We proudly serve clients across Europe, North America, Southeast Asia, and the Middle East. Our customers include:
A top 5 hardware distributor in Germany, supplying over 500 SKUs under private label
A leading furniture manufacturer in Vietnam, with monthly orders exceeding 100 tons
Multiple automotive component suppliers in Japan and South Korea, sourcing custom specifications
FAQ
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