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Black phosphate drywall screws are high-strength carbon steel self-tapping fasteners specially designed for gypsum board (drywall) installation. Featuring a classic bugle head and Phillips cross recess, these screws undergo professional black phosphate surface treatment. Compared with ordinary screws, they offer lower installation friction, excellent locking performance, and moderate anti-rust ability. They are the most widely used fasteners for interior wall and ceiling drywall fixing in residential, commercial, and industrial construction projects.
What is the difference between coarse thread and fine thread drywall screws?
The two thread types are engineered for different base materials, following standard construction fastener design principles:
Coarse thread drywall screws: With larger thread pitch and deeper thread teeth, they provide stronger gripping force on wood studs, wooden joists and wood framing. They effectively prevent loosening and falling off, ideal for wood-based drywall installation scenarios.
Fine thread drywall screws: Designed with dense and fine threads, they deliver stable and precise clamping force for light steel keels, metal studs and thin steel frames. They avoid thread slipping and metal plate deformation, perfectly matching steel structure drywall assembly requirements.
What are the advantages of black phosphate surface finish?
Black phosphate treatment is a professional chemical conversion coating for carbon steel drywall screws, with three core practical advantages verified by long-term construction practice. First, it greatly reduces surface friction, allowing smoother screwdriver penetration without drywall cracking or surface damage during installation. Second, the compact phosphate film provides effective anti-corrosion and rust-proof performance for indoor drywall environments, avoiding oxidation and yellowing. Third, the matte black finish resists light reflection, leaves neat wall surfaces after construction, and improves overall project aesthetics without affecting subsequent putty and paint finishing.
What applications are black phosphate drywall screws suitable for?
These screws are mainly applied to indoor gypsum board fixing scenarios, including residential house interior walls, ceilings, office partition walls, hotel decoration, shopping mall interior renovation, and indoor light steel keel & wood keel structural assembly. They adapt to all conventional indoor drywall installation projects and are not recommended for outdoor humid or corrosive environments without additional protective treatment.
About the Supplier
Jiaxing Xinchuang Hardware Co., Ltd.
Your Trusted Global Partner for Premier OEM Fasteners and Custom Industrial Solutions
Established in 2025, Xinchuang has evolved into a leading global manufacturer dedicated to providing high-quality fasteners and industrial components at competitive prices. With over a decade of industry experience and a state-of-the-art production facility, we specialize in delivering both standard and non-standard solutions tailored to the rigorous demands of clients worldwide.
Our Expertise and Capabilities
We are a vertically integrated manufacturer covering production, plating/finishing, and global export. Our extensive product capabilities meet both imperial and metric standards across a wide range of sizes (M1 to M100) and grades (4.8, 6.8, 8.8, 10.9, 12.9).
Our Core Manufacturing Competencies
Standard Fasteners: Screws, Nuts, Washers, Anchors, Pins, Keys, Threaded Rods, and Socket Screws
Materials & Finishes: High-grade Stainless Steel, Carbon Steel, with durable Zinc, Plain, and Galvanized finishing options
Customization and R&D Strengths (Made-to-Order)
What differentiates Xinchuang is our robust OEM/ODM capability. We operate primarily on a made-to-order basis, ensuring every batch is freshly manufactured to your exact specifications. Backed by a dedicated in-house R&D department and design team, we excel at engineering specially designed fasteners for unique project needs. If the specific product you require isn't standard, our experienced sales engineers will work with you to manufacture it.
Reliable Production and Service
We understand that project success relies on component caliber and timely delivery. Through efficient production management, we ensure reliable delivery times for production orders (typically 30-40 days). We are committed to providing extensive cost savings and supply chain security for our customers through consistent quality and dependable lead times.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
1996
Total Annual:
50000000-80000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Founded in Jiaxing, Zhejiang Province—one of China’s central manufacturing hubs for mechanical hardware—Jiaxing Xinchuang Hardware Co., Ltd. is a professional manufacturer and exporter specializing in high-strength standard and non-standard fasteners, automotive hardware, and custo... Founded in Jiaxing, Zhejiang Province—one of China’s central manufacturing hubs for mechanical hardware—Jiaxing Xinchuang Hardware Co., Ltd. is a professional manufacturer and exporter specializing in high-strength standard and non-standard fasteners, automotive hardware, and custo...
