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The Self-Drilling Drywall Screw featuring a Phillips Bugle Head and Black Phosphated finish is meticulously engineered to penetrate and secure drywall panels to metal studs or structural framing without the necessity of a pre-drilled pilot hole. Characterized by its finely honed, razor-sharp drill point, this fastener effortlessly bites into metal surfaces, allowing it to carve its own precise pathway and thread directly into the core material. The tactile matte black phosphated surface not only provides a distinct, professional appearance but also offers a micro-textured grip that ensures optimal bit engagement during installation. This specialized coating is specifically formulated to retain anti-rust oils, delivering a superior first line of defense against atmospheric moisture compared to standard bare metal screws. Whether you are outfitting a large-scale commercial development or executing detailed interior partitions, these fasteners deliver a consistent, reliable drive every single time, ensuring structural integrity and a flawlessly smooth finish across all your drywall installations.
By integrating a drill bit tip directly into the fastener design, these self-drilling screws completely eliminate the multi-step process of pre-drilling. This streamlined approach significantly accelerates the installation workflow, allowing construction teams to cover larger surface areas in a fraction of the time, directly reducing on-site labor expenditures.
The meticulously engineered self-drilling point guarantees immediate material engagement, preventing the screw from wandering or slipping across the drywall surface. This pinpoint accuracy minimizes the risk of accidental surface damage and ensures that every fixing is perfectly aligned for maximum load distribution.
Designed to aggressively penetrate gypsum board and firmly anchor into underlying structural supports, these fasteners create a rock-solid, vibration-resistant connection. While exceptionally proficient at securing drywall to metal studs, their versatile thread profile also performs admirably in wood framing, making them a universal solution for mixed-material environments.
The signature bugle head is geometrically optimized to gently countersink into the delicate drywall paper without tearing or crushing the gypsum core. This results in a perfectly flush seating that requires minimal joint compound, ensuring a pristine, ready-to-paint surface.
The premium black phosphate coating serves as a resilient barrier against oxidation, particularly in damp or humid interior environments. Every production batch undergoes rigorous quality control protocols, including extensive salt spray testing to verify moisture resistance, hardness testing to ensure the drill point maintains its edge under friction, and precise coating thickness measurements to guarantee uniform protection.
Unlike traditional drill-and-drive methods that generate significant particulate matter, the continuous carving action of the self-drilling thread traps and channels debris efficiently. This minimizes airborne dust, contributing to a cleaner, safer, and more comfortable working environment for installation crews.
Understanding the precise specifications of your fastening hardware is crucial for maintaining structural safety and project efficiency. Our black phosphated self-drilling drywall screws are manufactured to exacting international standards, ensuring perfect compatibility with a wide array of construction materials. The fine thread density is specifically calibrated to engage securely with metal framing, particularly excelling in metal stud thicknesses ranging from 20 to 12 Gauge. This optimized thread pitch guarantees maximum pull-out resistance, preventing loosening over time even in environments subject to subtle structural vibrations. Below is the comprehensive data sheet detailing the core specifications of the C1022A model.
| Model NO. | C1022A |
| Product Name | Drywall Screw |
| Certificate | ISO9001:2008, En 14592:2008+A1:201 |
| Length | 25mm,35mm,38mm,45mm or Customized |
| Shipping | Sea Freight / Land Freight / Air Freight |
| Delivery Time | 15-30 Days |
| Transport Package | Ordinary Packaging, Color Box,Wooden Box Packaging |
| Specification | 3.5mm-6.5mm |
| Trademark | Donghuang |
| Origin | Zhejiang |
| HS Code | 7318140090 |
These specialized fasteners are the definitive choice for interior architectural applications where components remain shielded from direct exterior weather conditions. The black phosphate finish is specifically tailored to bond perfectly with joint compounds and interior paints, preventing the unsightly rust bleed-through that can ruin interior aesthetics.
Beyond standard gypsum board installations, the exceptional penetrating power of these screws makes them highly adaptable for attaching various hardboards, cement backer boards, and acoustic panels directly to metal stud framing. They are frequently utilized in commercial office fit-outs, suspended ceiling grids, multi-family residential partitions, and specialized soundproofing assemblies where a secure, flush-mounted connection is absolutely critical for acoustic performance and structural stability.
Begin by positioning the drywall panel firmly against the metal stud. Thanks to the engineered self-drilling tip, you can bypass the pre-drilling phase entirely. Simply align the screw tip directly against the drywall paper at the desired fixing point.
Using a standard power drill or dedicated drywall screw gun equipped with a properly fitting Phillips drive bit, apply steady, perpendicular pressure. As you engage the drill, you will feel the sharp tip bite instantly into the metal framing beneath. Maintain a consistent speed to allow the threads to carve a clean, precise channel through the metal without overheating the tip.
Continue driving the fastener until the bugle head begins to interact with the drywall surface. The unique curvature of the head will naturally draw the paper downward, creating a shallow dimple. Stop driving exactly when the head sits just below the surface plane—flush enough to be easily concealed by a layer of spackle or joint compound, but without breaking the protective paper layer, which would compromise the holding strength.
Watch the demonstration video below to witness the exceptional performance of our self-drilling drywall screws in real-time. The footage highlights the immediate engagement of the drill point, the smooth and rapid penetration through standard metal studs, and the flawless seating of the bugle head into the gypsum board. This visual guide also offers a glimpse into our automated manufacturing process, showcasing the precision engineering that guarantees consistent quality across every single batch we produce.
A: No, that is the primary engineered advantage of these specific fasteners. They feature a specialized drill-bit point that is designed to independently carve its own precise pilot hole through both the gypsum board and the underlying metal framing as it is driven in, saving significant time and effort on the job site.
A: Their primary application is securely attaching drywall panels to metal framing members (specifically metal studs). While they can also be utilized for other scenarios requiring a self-tapping action, their unique bugle head and fine thread profile make them exceptionally well-suited for drywall. They effortlessly penetrate the outer paper layer and the inner gypsum core without causing structural damage or crumbling.
A: Regular drywall screws (often featuring a sharp, piercing point rather than a drill point) typically require a pre-drilled hole when working with thicker metal studs, or they are strictly limited to wood framing and very thin gauge metal. Self-drilling screws, conversely, act as both a drill bit and a fastener in one motion. This dual-action capability drastically reduces physical fatigue and accelerates the installation timeline, which is especially critical when managing large-scale commercial drywall projects.
Backed by extensive manufacturing facilities equipped with advanced automated heading and threading machinery, our daily production capacity operates on a massive scale to ensure uninterrupted supply lines for major infrastructure projects. We proudly operate under strict ISO9001:2008 quality management systems, guaranteeing that every shipment meets rigorous international performance standards.
We understand the critical nature of cost control in large-scale procurement. We offer highly competitive, transparent tiered bulk pricing structures designed to optimize your purchasing budget. Our packaging is meticulously organized for logistical efficiency, offering options ranging from standard bulk cartons and customized color boxes to reinforced wooden crates for maritime shipping. Each package is clearly labeled with exact piece counts and gross weights to facilitate seamless inventory management and accurate freight calculation.
Every construction environment presents unique challenges, which is why we provide extensive OEM and customization services. Beyond our standard black phosphated finish, we can engineer custom dimensions, specialized thread pitches, and alternative anti-corrosion surface treatments tailored specifically to your exact engineering requirements and environmental demands.
To support your engineering and procurement teams in their evaluation process, we provide comprehensive digital documentation. Detailed product specification sheets (Spec Sheets), material safety data, and certified third-party quality inspection reports (PDF format) are readily available for download. These resources ensure your team has immediate access to all necessary data for project approval and compliance archiving.
