Features Company profile Certification & test
Product Description
A4 Stainless Steel Self Tapping Screws are produced for buyers who need corrosion-resistant self-tapping fasteners for furniture hardware, metal fittings, plastic parts, aluminum components, wood structures, and thin steel assemblies. The product can follow DIN 7981, DIN 7982, ISO 7049 and other related standards.
Made from A4 / 316 austenitic stainless steel, these screws are suitable for projects where rust resistance and mechanical reliability are important. The pointed tip helps start the screw into the base material, while the sharp thread profile cuts and forms its own mating thread during installation. This helps reduce the need for pre-tapping in many assembly conditions.
The screw can be supplied with different head types, including countersunk style when a flush surface is required. For OEM projects, custom drawings and samples can be used to confirm dimensions, thread form, head design, drive type, and surface requirement before production.
B2B Highlights
A4 / 316 stainless steel for improved corrosion resistance
DIN 7981, DIN 7982, ISO 7049 options
Pointed self-tapping tip for easier thread forming
Sharp cutting thread for plastic, aluminum, wood, and thin steel
Countersunk head option for flush installation
Custom screw production available from buyer drawings
FAQ
Q1: What does A4 stainless steel mean?
A4 is commonly associated with 316-grade stainless steel, selected for better corrosion resistance than standard carbon steel screws.
Q2: Can these screws be made according to DIN or ISO standards?
Yes. DIN 7981, DIN 7982, ISO 7049 and related standards can be discussed according to buyer requirements.
Q3: Are they suitable for aluminum or plastic?
Yes. The original page mentions use in plastic, aluminum, wood, and thin steel.
Q4: Can you produce custom screws from drawings?
Yes. Custom production can be arranged according to drawings, samples, or technical specifications.
Company profile
Zin Hardware Co., Ltd. is a professional furniture hardware manufacturer and supplier based in China. Since our establishment, we have focused on providing reliable furniture fittings and assembly hardware for customers worldwide.
Our main products include furniture connectors, threaded inserts, shelf supports, furniture screws, nuts, bolts, casters, and customized metal hardware parts. These products are widely used in cabinets, wardrobes, office furniture, kitchen furniture, RTA furniture, and home decoration projects.
With our own associated factories for metal forming, machining, and surface treatment, we are able to control production from raw material processing to final finishing. We offer different surface treatments such as zinc plating, nickel plating, polishing, coating, and other custom finishes to meet different market requirements.
Quality consistency is always important to us. All products are manufactured under strict inspection standards, and test reports can be provided based on customer requirements. Over the years, we have continuously improved our production system, introduced new designs, and strengthened our quality management process.
Zin Hardware is committed to providing stable quality, competitive pricing, and long-term cooperation for global customers.
Certification & test
Our quality assurance system covers ISO 9001 quality management, SGS / Intertek testing, REACH / SVHC compliance, and salt spray testing, ensuring standardized production, reliable performance, chemical safety, and coating durability for bulk buyers.
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