Is customization available?

Yes, we offer customization for finishes, head types, and packaging based on customer designs or samples.

What is the lead time for orders?

The average lead time is one month, applicable for both peak and off-season periods.

What certifications do the products have?

The products are certified with ISO, GS, RoHS, CE, and SGS standards.

Wafer Head

Name: DIN 7504 Stainless Steel 410 Self-Drilling /Self-Tapping Screw Hex/Pan/Wafer Head
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2033814752

Shandong, ChinaQINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

US$0.01-1.00

100 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Hexagon

Model NO.

self-drilling

Surface Finishing

Zinc Plated

Certification

ISO, GS, RoHS, CE, SGS

Customized

Finish

Galvanized or Customzied

Head

Hex, Torx, Phillps, etc

Usage

Wood and Metal

Package

Customized

Transport Package

Carton

Specification

SGS

Trademark

Origin

China

HS Code

7318140090

Production Capacity

1000ton/Month

Key features

Self-Drilling & Tapping: Drills and taps threads in one step without pre-drilling holes.

Multiple Head Styles: Available in Hex, Pan, Wafer, Bugle, Countersunk, and Truss heads.

Customizable Options: Customized finish, head type, and packaging available upon request.

High Hardness: Surface hardness 450HV and core hardness 300-460HV for durability.

Corrosion Resistance: Zinc plated or galvanized finish with 24H-96H salt spray test resistance.

Factory Direct Price: Direct factory pricing with competitive costs and quality control.

Certified Quality: ISO, GS, RoHS, CE, and SGS certified for reliable performance.

Fast Delivery: Efficient production with one-month lead time for timely shipment.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedNational Award received

QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.67h

AI-Powered supplier vetting

SummaryThe supplier, Qingdao Zongyu, has a comprehensive business scope including sales of various products and import/export activities. They have been operating for over 20 years and are ISO certified. Despite not having overseas warehouses or agents, they have participated in international trade shows such as the Canton Fair. Their production capability is robust, with significant output across multiple nail types. However, their after-sales service procedures lack documentation, and their financial capacity and overseas service capabilities remain unclear.

Supplier typeThe supplier is involved in sales of mechanical equipment, metal products, automotive parts, and import/export activities. They have joined the Sino-African Chamber of Commerce and have been in operation for over 20 years.

CertificationsThe supplier holds ISO 9001, 14001, and 18001 certifications, indicating compliance with international quality, environmental, and occupational health standards.

After-Sales capabilityThe supplier has procedures to handle customer complaints but lacks written documentation for corrective actions and service capability assessments.

R&D capabilityThe supplier has OEM capabilities, has won one internationally recognized design award, and offers SDK for R&D, indicating some level of innovation.

Production capacityThe supplier operates 8 production lines with an annual output between US$10 Million - US$50 Million, indicating strong production capability.

Customization capabilityThe supplier offers OEM services for popular brands, demonstrating customization capabilities.

Client casesThe supplier has established business relations in Europe, America, Southeast Asia, and Africa, suggesting a broad customer base.

Product Q&A

Q:What materials are used for these screws?

The screws are primarily made from Carbon Steel (C1022A) or Stainless Steel 410, depending on the specific product line.

Q:Can the screws be used for metal-to-metal binding?

No, these self-drilling screws are mainly used for fixing color steel tiles to steel structures or simple building sheets, but cannot be used for metal-to-metal binding.

Q:What surface treatments are available?

Available treatments include Zinc Plated, Galvanized, and Phosphated, offering varying levels of corrosion resistance.

Q:What is the minimum order quantity?

The minimum order quantity is 1 ton.

Q:What are the payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.