Where is the nearest port for shipping?

The nearest port is Qingdao Port.

Is OEM and ODM service available?

Yes, we provide both OEM and ODM services supported by our R&D team.

What is the material of the self-drilling screw?

The screw is made of Carbon Steel with a Zinc Plated surface finishing.

Self-Drilling Screw with EPDM Bonded Washers/Hex Head

Name: Self-Drilling Screw with EPDM Bonded Washers/Hex Head
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2022068852

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

US$0.10-1.00

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 screw

Surface Finishing

Zinc Plated

Certification

ISO

Customized

Usage

Metal and Wood

Head

Wafer Head/Hex Head/Round Head/Truss Head

Raw Material

According to Your Request

Finish

Galvanized or Customized

Transport Package

Sea Worth Packing

Specification

all model

Trademark

Origin

China

HS Code

7318140090

Production Capacity

1000ton/Month

Key features

Customized Options: Supports customization from designs and samples with various head shapes and finishes.

Competitive Factory Price: Direct factory pricing ensures high cost-effectiveness for bulk orders.

High Quality Materials: Manufactured using standard carbon steel with zinc plating and ISO certification.

EPDM Bonded Washers: Features EPDM bonded washers for enhanced sealing and durability in roofing applications.

OEM/ODM Service: Professional OEM and ODM services available with 3 R&D engineers supporting innovation.

Strict QA/QC: Rigorous random visual inspection with 3 dedicated QA/QC inspectors ensuring product consistency.

Fast Lead Time: Consistent one-month lead time for both peak and off-season periods.

Traceable Raw Materials: Full traceability of raw materials ensures supply chain transparency and quality control.

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: ≤3.62h

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 customization options are available?

We offer customization from designs and samples. Options include various head shapes (Wafer, Hex, Round, Truss), raw materials, and finishes (Galvanized or Customized).

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 terms of payment.

Q:What is the average lead time for production?

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

Q:What certifications does the product have?

The product is ISO certified.