Material: C1022A carbon steel
Certificate: CE
Head Type: bugle head
Surface Treatment: black phosphated, zinc plated, nickle plated
Point: self-tapping, sharp point
Thread: fine thread
Drive: cross drive
Bit type: PH2,PH3
Diameter: #6 (3.5mm) /#7(3.9mm) /#8(4.2mm)/#10 (4.8mm)/#12(6.3mm)
Length: 13mm-150mm
Drywall screws (black drywall screw self tapping fine thread)are widely used in many scenarios in the market, mainly for thin metal sheets;
These screws are made from C1022A carbon steel for superior strength and durability. Fine threads can engage more tightly than coarse thread screws, resulting in a stronger grip that is less likely to come off. And the closely spaced fins create a strong connection within the metal frame, preventing screws from pulling out and reducing the risk of material expansion.
These self tapping fine thread drywall screws are designed to secure drywall to lightweight metal studs, providing a strong and reliable grip on steel frame structures.
Drywall flooring generally cannot be used in heavy-duty construction because self-tapping drywall screws are so brittle that they may break rather than bend. Its head breaks off easily and embeds the displaced portion in the wood. So drywall screws should be avoided in outdoor projects like fences and decks.
Technical Edge: Why Our Fine Thread Drywall Screws Excel
Precision-engineered for modern interior construction and industrial steel framing, our black phosphated fine thread drywall screws provide unparalleled holding power. Unlike standard fasteners, these screws are manufactured utilizing advanced cold-heading technology with premium C1022A carbon steel, ensuring uniform hardness and eliminating the risk of head snapping during high-torque installations.
Optimized Fine Thread Pitch: Designed specifically for securing drywall gyprock to light-gauge metal studs (thickness up to 0.8mm). The closely spaced, high-density threads engage tightly with steel frames, delivering a massive upgrade in pull-out resistance compared to coarse thread alternatives.
Ultra-Sharp Piercing Point:The needle-sharp point acts as a self-piercing guide. It penetrates thin sheet metal instantly upon contact without skating, walking, or requiring pre-drilling, which drastically cuts down labor time on the job site.
Industrial Black Phosphated Coating: Our chemical phosphating process forms a continuous, corrosion-resistant microscopic barrier. This non-reflective matte finish not only prevents rusting during transit and storage but also significantly enhances joint adhesion with joint compounds, paints, and plaster.
B2B Wholesale & Supply Chain Capabilities
We supply international hardware importers, distributors, and large-scale construction buyers with flexible factory solutions:
Custom Packaging: Available in bulk 25kg industrial cartons, eco-friendly woven bags, or small customized retail boxes (1000pcs/box) branded with your company logo.
Rigorous Quality Assurance:Every production batch undergoes strict salt spray testing (24h-48h), core hardness checks, and drilling speed evaluations to ensure 100% consistency before shipping.
Comprehensive Specifications & Size Chart
