Black Self-Drilling Concrete Screws M3.5-M4.8 Twin Thread Drywall Screws 13-150mm Length Range
Price:
800USD-900USD/TON
MOQ:
10 TONS
Delivery Time:
Within 25days
Brand:
GD
Product Description
Product Overview
Professional black phosphated self-drilling concrete screws designed for fast and efficient drywall installation. These twin thread screws feature a sharp piercing point that eliminates the need for pre-drilling when fastening plasterboard to light steel or wood studs.
Technical Specifications
| Material | C1022A Steel |
|---|---|
| Size Range | M3.5×13mm to M4.8×150mm |
| Surface Treatment | Black/Grey Phosphated; Yellow/White Zinc |
| Point Type | Sharp Self-Drilling Point |
| Thread Type | Fine/Coarse Twin Thread |
| Head Type | Bugle Phillips Head |
Available Sizes
| 3.5×13mm | 3.5×16mm | 3.5×19mm |
| 3.5×25mm | 3.5×32mm | 3.5×38mm |
| 3.5×50mm | 4.2×65mm | 4.2×70mm |
| 4.2×75mm | 4.2×90mm |
Applications
Ideal for fastening:
- Plasterboard/Drywall to light steel or wood studs
- Wood materials
- MDF (Medium Density Fiberboard)
The bugle head design sets screws to the right depth without tearing paper, while the twin thread with phosphate finish ensures secure fastening.
Packaging Options
| Option 1 | 300g, 400g, 500g per box; 50 boxes per carton |
|---|---|
| Option 2 | 0.9kg, 1kg per box; 25 boxes per carton |
| Option 3 | 25kg per carton (plastic bag) |
| Option 4 | 40pcs, 50pcs, 70pcs, 100pcs per box; 200, 120, 80, 70, 40 boxes per carton |
| Option 5 | Customized packaging available |
Manufacturing Advantages
- Professional manufacturer with over 30 years of production and export experience
- High quality standards with comprehensive quality control
- Competitive pricing for bulk orders
- OEM & ODM services - factory supports full customization
- Flexible payment options: T/T, L/C, D/P, D/A
- Reliable customer service and technical support
Quality Assurance
Our manufacturing process includes rigorous quality control measures to ensure consistent performance and reliability. All products meet industry standards and are backed by relevant certifications.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hebei Guding Nail Industry Co., Ltd.
Location
Guoyuan Village, Xingtai, Hebei, China
Contact Person
Li