Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of blue zinc csk head self drilling screws without ribs in China. Welcome to buy bulk high quality blue zinc csk head self drilling screws without ribs made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.
Drywall screws are not priced by quantity alone. Weight per piece has a direct effect on cost, especially for large orders. A small difference in screw weight can change the total tonnage and the final price.
Send us the details, drawing on my factory-floor experience, we can analyze your specific market conditions and store requirements to help you determine the most precise and appropriate pricing.e-no guesswork on weight.
Please specify:
01
- Diameter × length
- Head type (bugle head, countersunk, etc.)
02
- Thread type (fine or coarse)
- Coating (black phosphate, gray phosphate, zinc, etc.)
03
- Target weight per piece (g/pc)
- Order quantity
04
- Packaging (dimensions of the box/outer carton, package weight, and whether the logo style or color can be customized)
Why Choose Our Factory
Built for volume. Our dedicated self-drilling screw lines run carbon steel wire through drawing, heading, thread rolling, drill-point forming, and zinc plating in one controlled flow. That means high daily output, stable hardness, sharp drill points, and consistent thread quality-batch after batch.
For wholesalers moving large volumes, the advantage is straightforward: factory-direct pricing from a high-capacity line, without sacrificing plating thickness or head concentricity. Fewer stripped heads, fewer jammed guns, fewer callbacks. Mixed sizes and bulk packing can be scheduled around your market plan, and lead times stay predictable for repeat orders.
Just Tell us your common sizes, plating spec, and monthly volume. We'll quote a wholesale program that protects your margin and your customers' quality expectations.
Product Description
Our CSK Head Self Drilling Screws are professionally engineered to meet global fastening needs, ideal for construction, industrial and commercial scenarios. Choose our screws for a cost-effective, high-performance solution backed by professional service and global quality standards.
With a countersunk head, they sit flush with surfaces after installation for a neat finish, perfect for applications requiring aesthetic and safety, such as furniture and visible steel structures. The self-drilling tail eliminates pre-drilling, saving time and labor with strong holding power.
We offer versatile sizes (diameter 2.9-6.3mm, length 13-50mm) and customizable packaging, plus full OEM support to help you gain market competitiveness. These screws are widely applied in metal roofing, steel structure installation, door and window fitting, furniture assembly, automotive components, and electrical engineering-delivering consistent performance in every scenario.
Packing
Bulk Packaging: Economical cartons or pails suitable for wholesalers and high-volume users
Retail-Ready Packaging: Blister packs, clamshells, or poly bags with branded inserts designed for shelf appeal and consumer convenience
Small-Quantity Packaging: Pre-counted poly bags or small boxes ideal for individual buyers and smaller-scale projects
Factory pictures
Custom Packaging&Private Label Available
Choose from bulk cartons, poly bags with branded labels, or retail-ready packaging. Minimum order quantities can be adjusted to support both small contractors and large-scale procurement needs.
We offer custom box/bags printing and labeling services to help you build your own product line.
FAQ
Logistics & Shipping: We support flexible shipping options including sea freight, air freight, and express courier. Our logistics team works closely with major carriers to ensure safe transit, optimal consolidation, and competitive freight rates. Delivery times vary by destination, with standard sea freight ranging 20–40 days and express options available for urgent requirements.
International Payment Methods: We offer flexible payment terms to accommodate global buyers, including T/T (bank transfer), L/C (letter of credit), and Western Union. For long-term partnerships, customized payment structures can be arranged to support your cash flow needs.
With a commitment to quality control, responsive communication, and end-to-end supply chain management, we ensure a seamless experience from initial quote to final delivery.
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