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Help CenterWallboard Screws 13mm-100mm Full Sizes Available Factory Direct Wholesale Price, Coarse Thread Grey Phosphate No Snapping Fast Penetration
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Hefei SENOTECH New Materials Co., Ltd is proud to offer a comprehensive range of Wallboard Screws ranging from 13mm to 100mm in full sizes, available at factory direct wholesale prices. As a trusted trading company established in 2020 with an annual export value exceeding US$1 million, we have supplied these premium fasteners to markets across North America, South America, Europe, Africa, Oceania, and Asia. Our screws feature a coarse thread design with a grey phosphate coating, delivering exceptional performance with no snapping during installation and fast penetration into drywall and studs. Designed for drywall contractors, builders, and distributors, these screws combine durability with cost-efficiency, ensuring smooth and reliable fastening every time.
Product Features & Advantages
- Full Size Range: Available from 13mm to 100mm to meet all drywall thickness requirements – from 6.5mm to 25mm boards. Custom lengths are also available upon request.
- Coarse Thread Design: The aggressive coarse thread provides superior holding power in wood studs and metal channels, reducing the risk of stripping and ensuring a tight fit.
- Grey Phosphate Coating: This corrosion-resistant surface treatment offers excellent lubricity, allowing the screw to penetrate smoothly without damaging drywall paper, and prevents rust in humid environments.
- No Snapping Technology: Our screws are heat-treated and manufactured with high-tensile carbon steel (case-hardened) to minimize breakage during high-speed driving with power tools, saving time and material waste.
- Fast Penetration: A sharp, self-drilling point and a deep #2 Phillips drive enable quick insertion with minimal pressure, enhancing productivity on the job site.
- Bugle Head Shape: The countersunk bugle head sits flush with the drywall surface, creating a smooth finish perfect for painting or taping without protruding.
- Wholesale Direct Pricing: As a factory-direct supplier, we eliminate middlemen to offer competitive wholesale rates for bulk orders, ideal for large-scale construction projects.
Technical Specifications
| Parameter | Details |
|---|---|
| Material | Carbon Steel (Case-Hardened, 40–50 HRC hardness on surface) |
| Thread Type | Coarse Thread (approximately 10–12 threads per inch, varies by size) |
| Surface Finish | Grey Phosphate (also available in black phosphate, zinc plated, or bright finish upon request) |
| Head Drive | #2 Phillips (Cross Recessed) – compatible with standard drywall screw guns |
| Point Type | Sharp Self-Piercing Point (designed for quick start) |
| Diameter | Typically #6 (3.5mm) or #8 (4.2mm) – other gauges available |
| Length Options | 13mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm (full sizes in stock) |
| Packing | Bulk in cartons (10,000–50,000 pcs per carton) or poly bags; customized labeling and private label packaging available |
Customer Benefits
By choosing SENOTECH's wallboard screws, you gain tangible advantages on your construction site:
- Time Savings: The fast-penetration point and coarse thread reduce driving time by up to 30% compared to standard screws, allowing crews to cover more area per shift.
- Reduced Waste: No-snapping design means fewer broken screws – field reports show a breakage rate of less than 0.5% under normal use conditions.
- Consistent Results: Uniform hardening and precise thread geometry ensure every screw behaves the same, eliminating the need to rework panels due to protruding heads or stripped threads.
- Cost Efficiency: Factory-direct pricing helps you lower your project material costs by 15–20% compared to retail prices, especially when ordering full-container loads.
- Versatility: Suitable for both wood studs and light-gauge metal studs (up to 0.8mm thickness), making these screws a one-stop solution for various wallboard installations.
Trust & Reliability
Established in 2020, Hefei SENOTECH New Materials Co., Ltd has already achieved an annual export value of US$1 million – US$1.5 million, serving customers across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, and South Asia. Our rigorous quality control process includes random tensile tests, hardness checks, and visual inspections before shipment. We have built long-term partnerships with distributors and contractors who rely on us for consistent quality and timely delivery. With a dedicated logistics team, we ensure that bulk orders (20-foot or 40-foot containers) are dispatched within 15–20 days after order confirmation. Your satisfaction is backed by our responsive customer service – we offer samples for evaluation and welcome inquiries about custom specifications.
Frequently Asked Questions
Q1: What is the difference between coarse thread and fine thread wallboard screws?
Coarse thread screws (our product) have deeper, wider threads that provide stronger grip in wood studs and thicker drywall. They also drive faster. Fine thread screws are better for metal studs with thicker gauge (above 1.2mm). For standard drywall applications (studs up to 0.8mm thick), coarse thread is the industry-preferred choice.
Q2: Are these screws suitable for exterior use?
The grey phosphate coating provides moderate corrosion resistance for interior use. For exterior applications or high-humidity environments, we recommend our zinc-plated or stainless steel options, which are available upon request.
Q3: What length should I choose for 12.5mm drywall on wooden studs?
For 12.5mm (1/2-inch) drywall on wood studs, a 32mm (1-1/4-inch) screw is standard. Our 30mm or 35mm options would work. For double-layer drywall or thicker boards, use 45mm – 55mm. Please refer to standard drywall screw length charts or contact us for guidance.
Q4: Can I get a sample before placing a bulk order?
Yes, we offer free samples (you pay shipping) for you to test the quality. Simply provide your shipping address and preferred lengths. Sample orders are processed within 3 working days.
Q5: What is the minimum order quantity (MOQ)?
Our standard MOQ is one master carton per size (approx. 10,000 to 50,000 pieces depending on length). For mixed sizes, we require a minimum of 100 kilograms total. We are flexible for trial orders.
Q6: Do you provide private labeling or custom packaging?
Absolutely. We can apply your own brand logos, barcodes, and custom carton/polybag printing. There is a nominal setup fee for small runs, but for container orders it’s free. Just let us know your design.
Q7: How do you ensure consistent quality across batches?
We follow a strict quality assurance procedure: incoming raw material inspection, in-process hardness and dimension checks, and final random sampling from each production lot. Our screws meet general drywall screw standards (e.g., ASTM C1002 or equivalent). Every batch is traceable.
Q8: What is the typical lead time for a 20-foot container?
For standard sizes (13mm–100mm) with grey phosphate coating, lead time is 15–20 days after deposit and confirmation of packing details. For custom finishes or lengths, please allow 25–30 days.
Contact us today for a competitive quotation and experience the difference of factory-direct supply from a reliable partner with global reach. With SENOTECH, you get consistent quality, full-size availability, and professional service – all at wholesale prices.
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