Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of csk head sds blue zinc glossy carbon steelc-1022a 6ribs under head in China. Welcome to buy bulk high quality csk head sds blue zinc glossy carbon steelc-1022a 6ribs under head 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)
What kind of support can we provide?
Factory advantages: hardened drill points and stable thread rolling on dedicated lines; ribs under the countersunk head cut a clean seat and reduce spin-out; zinc plating controlled for consistent coverage. In-house QC on point, thread, head, and coating keeps batches repeatable.
Market demand: a practical choice for metal-to-metal fixing in drywall, ducting, light steel framing, and general fabrication-where a flush finish and one-pass drilling matter. The ribbed head suits applications that need a neat, secure countersink without extra work.
Wholesale capability: mixed sizes, bulk packing, and repeat-order scheduling. Stable lead times and factory-direct pricing let distributors stock fast-moving sizes without overcommitting. Just tell us your common diameters, lengths, and packing, and we'll quote a program that fits your market.
Material & Specifications
Material: High-grade Carbon Steel (C1022 or equivalent)
Surface Finish: Blue Zinc Plated – offering enhanced corrosion resistance with a recognizable aesthetic finish suitable for visible applications
Diameter Options: 4.2mm, 4.8mm
Length Range: 10mm to 100mm
Head Style: CSK
Drive: Phillips Drive
Market Pricing & Customization
We offer dedicated one-on-one market-specific pricing strategies tailored to your region, order volume, and competitive positioning. Whether you are a distributor, retailer, or end-user, our pricing model is structured to support your business objectives while maintaining consistent quality standards.
Our customization services include tailored lengths, specialized thread configurations, and private labeling. We also provide technical support to assist with fastener selection based on specific materials and application requirements.
Packaging Solutions
We understand that different customers have distinct packaging needs. Our flexible packaging options include:
Bulk Packaging: Economical cartons or pails suitable for wholesalers and high-volume users
Retail-Ready Packaging: Blister packs, 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
All packaging can be customized with your branding, barcodes, and installation instructions to create a seamless end-user experience.

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.
Application
These self-tapping screws are ideal for light-gauge metal fastening, wood assemblies, plastic components, furniture manufacturing, automotive interiors, and general construction where efficient installation and a clean finish are required.
FAQ
Logistics & Shipping: We offer flexible shipping solutions to meet diverse delivery requirements, including sea freight for bulk orders, air freight for time-sensitive shipments, and express courier for smaller quantities. Our logistics team manages documentation, consolidation, and real-time tracking to ensure reliable and cost-effective delivery worldwide.
International Payment Methods: We support flexible payment terms to accommodate global buyers, including T/T (bank transfer), L/C (letter of credit), and secure online payment platforms. 30% deposit, 70% before shipment.For established partnerships, customized payment structures can be arranged to align with your cash flow and procurement cycles.
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