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Home > Hot Products > China Factory Suppliers Drywall Screws - C1022A Hardened Carbon Steel with Rust-Resistant Coating
China Factory Suppliers Drywall Screws - C1022A Hardened Carbon Steel with Rust-Resistant Coating
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China Factory Suppliers Drywall Screws - C1022A Hardened Carbon Steel with Rust-Resistant Coating

China Factory Suppliers Drywall Screws - C1022A Hardened Carbon Steel with Rust-Resistant Coating

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Introducing our premium C1022A Hardened Carbon Steel products, engineered to meet the highest standards of quality, including DIN and ASTM. As a leading manufacturer in China, our factory specializes in producing robust and reliable fasteners.

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【Material】C1022A Hardened Carbon Steel

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【Standard】DIN, ASTM

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【Features】✓ Innovative flared head design for enhanced performance  ✓ Rust-resistant phosphate coating for durability  ✓ Crafted from high-hardness steel for superior strength

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【Surface Treatment】✓ Black Phosphated  ✓ Grey Phosphated ✓ Nickel Plated  ✓ Yellow Zinc

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 ✓ White Blue Zinc Plated  ✓ Ruspert Coating, ensuring longevity and quality

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Choose our factory in China for your fastener needs, and trust our suppliers to deliver products that guarantee performance and durability.

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Send Inquiry

Product Description

self drilling drywall screw drawing
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Frequently Asked Questions

Q What is a self-tapping drywall screw?
A self-tapping drywall screw is a fastener specifically designed to penetrate drywall and wood or metal studs without requiring a pre-drilled pilot hole. Its sharp point and coarse or fine threads allow it to cut its own path as it is driven in.
Q What is the difference between a self-tapping and a self-drilling drywall screw?
A self-tapping screw requires a pilot hole or a sharp enough point to pierce the material, while a self-drilling screw (also called a Tek screw) features a drill-bit-shaped tip that can drill its own hole and tap threads simultaneously, making it ideal for metal studs.
Q What sizes do self-tapping drywall screws come in?
Self-tapping drywall screws are commonly available in lengths ranging from 1 inch to 3 inches, with the most popular sizes being 1-1/4", 1-5/8", and 2-1/2". The gauge is typically #6 or #8, depending on the application and thickness of the drywall.
Q Are self-tapping drywall screws suitable for metal studs?
Yes, fine-thread self-tapping drywall screws are designed for use with metal studs. The fine threads provide better grip in metal, whereas coarse-thread screws are better suited for wood studs and standard wood framing.
Q What type of head does a drywall screw typically have?
Drywall screws typically feature a bugle head, which is a slightly concave, tapered head shape. This design allows the screw to countersink smoothly into the drywall surface without tearing the paper facing, creating a flush or slightly dimpled finish ready for taping and mudding.
Q What surface treatment or coating is applied to drywall screws?
Most standard drywall screws are phosphate-coated (black phosphate finish), which provides moderate corrosion resistance and reduces friction during installation. For outdoor or high-humidity environments, galvanized or stainless steel drywall screws are recommended for better rust resistance.

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