Anhui Linghong Hardware Technology Co., Ltd. is China Custom Bugle Head Self-Drilling Screws Manufacturers and Bugle Head Self-Drilling Screws Suppliers, founded in 2017, covering an area of 30 mu with 12,600 square meters of standardized workshops and office buildings. Formerly known as Shanghai Linghong Fasteners Co., Ltd., the company has inherited its core management and production backbone team, and follows the mature operation system formed through 16 years of steady development of Shanghai Linghong. We offer Bugle Head Self-Drilling Screws for sale.
The company is equipped with more than 80 sets of production equipment, with a stable monthly capacity of approximately 500 tons. It specializes in the production of a full range of screws, including wood screws, chipboard screws, drywall screws, self-drilling screws, self-tapping screws, plasterboard screws, wallboard screws, corrugated screws, and other products. The company has a professional-quality management team and is equipped with precision testing instruments, including metallographic polishing machines and Rockwell hardness testers. Through strict control over first-piece inspection, in-process inspection, and the whole ex-factory process, it ensures the qualified quality of each batch of products with strong quality inspection capabilities. Meanwhile, the company has established a complete packaging system and an experienced management team, adopting a production model of "intelligent and mechanized production as the mainstay, supplemented by manual work". Adhering to excellent quality and a good reputation, the company provides customers with cost-effective, high-quality products.
With over 20 years of deep engagement in the fastener industry, Anhui Linghong Hardware Technology Co., Ltd. upholds the business philosophy of "Quality First, Integrity-Based", and is a comprehensive enterprise integrating design, development, production, and sales. Relying on over 20 years of accumulated production management experience and foreign trade export strength, the company has passed ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System certifications, and established mature overseas sales channels. At present, the company exports 40 to 50 containers to Australia and about 10 containers to Europe and Japan every month, with annual sales exceeding 200 million RMB. The company sincerely welcomes customers at home and abroad to contact us for business negotiations and win-win cooperation!
A 4.2 mm self-drilling screw that cuts a clean hole through a 2 mm steel bracket will spin in place on a 0.8 mm cladding panel, and the same screw that holds a dry indoor ceiling together can rust to the surface within a season on a coastal roof. Neither failure is a manufacturi...
READ MOREA technician presses the point of a pan-head screw against a 1.5 mm galvanised bracket, leans into the driver, and squeezes the trigger. Two seconds later the joint is tight. No nut, no weld and no pre-cut thread were involved: the screw created its own thread inside the steel a...
READ MOREA production manager once asked us to replace a bugle-head wood screw with a countersunk screw because the drawing said "flat head." The first trial run failed: the flat-head screws sat proud, split several panels, and slowed the line until the pilot hole was changed. That one h...
READ MOREAnhui Linghong Hardware Technology Co., Ltd. is a China-based manufacturer and supplier of bugle head self-drilling screws, engineered for fast, reliable fastening in light-gauge steel and drywall applications. Our screws combine a drill point, tapping threads, and a unique bugle head into one component, eliminating pre-drilling and countersinking steps. With over 80 production lines and a monthly capacity of 500 tons, we supply standard and custom configurations to construction distributors, contractors, and OEMs worldwide.
Our bugle head self-drilling screws are available in carbon steel and stainless steel, with a range of coatings to match environmental demands. We support projects from prototype to volume production, ensuring consistent quality through in-house testing and process control.
We offer bugle head self-drilling screws in various sizes and drive types, primarily designed for attaching gypsum board, calcium silicate board, and other panels to steel studs or thin sheet metal. The range includes:
The bugle head shape distributes clamping force evenly, preventing paper tear on gypsum boards and reducing the risk of cracking. The drill point penetrates steel up to 2.5mm thick, making these screws ideal for metal framing and renovation projects.
Each screw is manufactured to precise tolerances to ensure consistent driving and holding strength. Typical specifications include:
| Parameter | Value / Range |
|---|---|
| Thread Diameter | #6 to #14 (3.5mm to 6.3mm) |
| Length | 25mm to 150mm (custom lengths available) |
| Drill Point Size | #2, #3, #4 (for steel thickness up to 2.5mm) |
| Drive Type | Phillips #2 (PH2) standard; other drives on request |
| Material | Carbon steel (e.g., 1022A, 10B21) or stainless steel (410, 304) |
| Surface Coating | Black phosphate, blue-white zinc, yellow zinc, or plain |
| Hardness | Core hardness typically HV 450-560 (carbon steel) |
The PH2 drive ensures a secure bit fit, reducing cam-out and extending tool life. The drill point is hardened to maintain sharpness through multiple installations, and the thread design provides strong pull-out resistance in both steel and wood substrates.
We operate a full in-house quality system, certified to ISO 9001, ISO 14001, and ISO 45001. Our quality team performs first-piece inspection, in-process patrol, and final ex-factory checks using precision instruments such as metallographic polishing machines and Rockwell hardness testers. Each batch is tested for:
We provide material certificates and test reports upon request, ensuring traceability from raw material to finished product.
We understand that projects often require specific dimensions, coatings, or packaging. Our customization options include:
Our packaging system is designed to protect threads and points during transit, and we can label with your branding or part numbers.
For optimal performance, use a variable-speed driver set to the correct torque. The screw should be driven perpendicular to the surface to avoid damaging the drill point. In steel framing, select a drill point size that matches the steel thickness—#2 for up to 1.2mm, #3 for up to 1.5mm, and #4 for up to 2.5mm. No pre-drilling is required, but ensure the substrate is free of obstructions.
These screws are self-tapping and do not require lubrication. For outdoor or high-humidity applications, choose stainless steel or a high-performance coating. Regular inspection of the drive recess and drill point during installation helps maintain efficiency.
To prepare an accurate quotation and sample, please provide the following details:
Our engineering team can also assist with custom designs, including special head shapes or thread configurations. We aim to respond within 12 hours on working days.
Q: What is the difference between bugle head and countersunk head self-drilling screws?
A: A bugle head has a curved, flared underside that distributes stress over a wider area, reducing the chance of crushing the board surface. Countersunk heads are flat and angled, which can tear paper or wood fibers if over-tightened. Bugle heads are preferred for drywall and soft materials.
Q: Can these screws be used in wood without pre-drilling?
A: Yes, the drill point is designed to penetrate wood and light-gauge steel. However, for hardwoods or thick steel, we recommend selecting the appropriate drill point size and possibly reducing speed to prevent overheating.
Q: What coatings are available for corrosion resistance?
A: We offer black phosphate (standard indoor), blue-white zinc (moderate humidity), and yellow zinc (enhanced protection). For harsh environments, stainless steel screws are the best option.
Q: Do you provide samples before bulk order?
A: Yes, we can send samples for your evaluation. Please contact us with your requirements, and we will arrange shipment.
Q: What is the typical lead time for production?
A: For standard sizes, lead time is typically 2-3 weeks after order confirmation. Custom orders may require additional time for tooling or coating. We will provide a specific schedule with your quotation.
For more details on our complete range, visit our Self-drilling Screws category, or explore related Wood Screw products. If you need a specific configuration, contact our sales team with your specifications.
Our portfolio also includes Products for applications with different operating ranges, interfaces or integration requirements.
+86 15856352820
malingfei@linghongscrew.com
No. 56, Baishizhan Road, Economic Development Zone, Langxi County, Xuancheng City, Anhui Province, China
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