What certifications do your products have?

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

What payment terms do you accept?

We accept LC and T/T payment terms.

How long have you been manufacturing screws?

We specialize in manufacturing for about 10 years.

Countersunk Blue-White Zinc Flat-Head Cross-Head Screws for Wholesale

Name: Countersunk Blue-White Zinc Flat-Head Cross-Head Screws for Wholesale
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2145688792

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.

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 Capability: Fine thread and self-drilling point allow bore into metal sheet without pre-drilling holes.

Multiple Head Styles: Options include Bugle, Countersunk Flat, Pan, and Truss Modified heads.

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

Customized Surface Finish: Surface treatment options include Phosphated, Zinc plated, and Galvanized.

Factory Direct Pricing: Competitive prices directly from our own factory with quality control.

OEM and ODM Services: Customization available from designs and samples with professional support.

Salt Spray Resistance: Salt spray test duration ranges from 24H to 96H for corrosion protection.

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: ≤3.89h

AI-Powered supplier vetting

SummaryThe supplier is a Qingdao-based manufacturer and trading company with a broad registered business scope covering mechanical equipment, metal products, automotive parts, plastic products, building materials, and import/export activities. It reports ISO 9001, 14001, and 18001 certification history, eight production lines, 50 quality-control staff, and stated production capacity for several nail categories. The supplier offers customization from designs and samples, ODM, and OEM services for well-known brands. However, it reported no new products in the past year, lacks overseas warehouses, showrooms, agents, or branches, and has weak documented service-management controls: no written service-assessment or corrective-action procedures and no complaint-handling records. Financial information is identified for 2021–2023, but the slices do not provide performance values, so financial credibility cannot be fully assessed.

Supplier typeThe supplier operates as a manufacturer and trading company: its registered scope includes sales and import/export activities, while its factory information reports eight production lines and product-specific output. Its company description also states more than 20 years of development and business relationships across Europe, America, Southeast Asia, and Africa.

CertificationsThe supplier states that it passed ISO 9001, ISO 14001, and ISO 18001 international management-system certifications in 2001. This is explicit certification evidence, although the slice does not provide current certificate validity or renewal details.

After-Sales capabilityThe supplier has a complaint-handling procedure but no written complaint records, and it lacks written procedures or records for service-capability assessment and corrective/preventive actions. It has participated in the Canton Fair but reports no overseas warehouses, showrooms, agents, or branches, limiting evidence of structured overseas after-sales support.

R&D capabilityThe supplier reports ODM capability, an available SDK, and one internationally recognized design award. However, it also states that no new products were developed in the past year; this indicates some design and development resources but limited recent product-innovation evidence.

Production capacityThe supplier reports eight production lines, 50 quality-control staff, and stated annual outputs of 10,000 tons each for U-type, roofing, twisted, clout, and common nails. It also reports a one-month average lead time in both peak and off-season, supporting evidence of established production capacity, though the stated output figures are supplier-reported and not independently verified.

Customization capabilityThe supplier explicitly provides customization from customer designs and samples, ODM services, and OEM services for well-known brands. These statements directly demonstrate multiple forms of customization and contract-manufacturing capability.

Product Q&A

Q:What materials are used for these screws?

The screws are made from Hardened Carbon Steel C1022A.

Q:Can these screws be used for metal to metal binding?

No, they are mainly used for steel structure color steel tile fixed and simple building sheet fixed, but cannot be used for metal to metal binding fixed.

Q:What is the minimum order quantity?

The minimum order quantity is 1 ton.

Q:Do you offer customization services?

Yes, we offer customization from designs and samples, including finish, head type, and usage.

Q:What are the lead times for delivery?

The lead time is one month for both peak season and off-season.