What are the payment terms?

We accept LC and T/T as terms of payment.

How long is the lead time?

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

What industries can use this product?

It is designed for the construction industry, transport, HVAC duct installation, electrical wiring, fence building, and furniture assembly.

High Strength Heavy Duty Self Tapping Screws, Hardened for Industrial Construction Fastening

Name: High Strength Heavy Duty Self Tapping Screws, Hardened for Industrial Construction Fastening
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2153088192

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

US$200.00-500.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Groove

Cross

Connection

Common Bolt

Head Style

Round

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Transport Package

Carton

Specification

SGS

Trademark

Origin

Qingdao, China

HS Code

73170000

Key features

Customizable Material: Crafted from premium-grade carbon steel or galvanized steel based on needs.

Customizable Specifications: Available in various diameters, lengths, and packaging options.

Enhanced Durability: Resists breakage and deformation under heavy load with superior tensile strength.

Corrosion Protection: Optional hot-dipped or electro-galvanized coating for rust and moisture resistance.

Versatile Applications: Suitable for construction, HVAC, electrical wiring, fencing, and furniture assembly.

OEM/ODM Service: Customization available from designs and samples with R&D support.

Smooth Surface Finish: Prevents snags and fraying, making it easy to cut, bend, and shape.

Industry Standard Compliance: Meets strict quality and safety standards for consistent performance.

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: ≤3.77h

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.