Which ports are available for shipment?

We ship from Tianjin, Qingdao, and Shanghai ports.

What is the material of the screw?

The screw is made of hardened carbon steel with a zinc-plated surface finish.

What is the head style of this screw?

The head style is a hex head with a countersunk bolt type and external hex drive.

Hex Head Screw with Roofing EPDM Washer Self Tapping Screw

Name: Hex Head Screw with Roofing EPDM Washer Self Tapping Screw
Brand: Handan Yidao Metal Products Co., Ltd
SKU: 1955264422

Hebei, ChinaHandan Yidao Metal Products Co., Ltd

US$1,500.00

1-2 Tons

US$1,450.00

3+ Tons

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Countersunk Head

Model NO.

4.2-6.3mm

Groove

Hexagon

Connection

Metal

Head Style

Counter Sunk Bolt

Standard

DIN, GB

Grade

4.2,4.8,5.5.6.3

Surface

Zinc Plated

Transport Package

Carton, Boxes, Ton Bag

Origin

China, Hebei

HS Code

7318

Production Capacity

500ton/Month

Key features

Customized Length: Length can be customized according to specific project requirements.

OEM and ODM Services: Full customization, minor customization, and flexible customization from samples or designs available.

DIN 7504 Standard: Manufactured according to international industrial standards including DIN, GB, ISO, and ANSI.

Zinc Plated Finish: Surface treatment provides enhanced corrosion resistance for outdoor roofing applications.

Metric System: Measurement system follows international metric standards for precise compatibility.

Versatile Application: Designed for steel to steel fixing with hex head and EPDM washer for secure sealing.

Flexible Packaging: Packing options include plastic bags, boxes, and cartons, customizable based on quantity.

Competitive Pricing: Company offers absolute advantage in price and quality for fastener products.

Company profile

Importers and ExportersYears of Export ExperienceExperienced TeamExhibition Experience

Handan Yidao Metal Products Co., Ltd

Hebei, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤4.61h

AI-Powered supplier vetting

SummaryThe supplier is a limited trading company with 18 employees, a valid import/export license, and a stated business scope covering steel, pig iron, standard parts, stainless steel products, hardware, electrical equipment, machinery, and building materials. It reports OEM service for well-known brands, ODM availability, broad customization options, participation in the Canton Fair, and documented corrective-action and complaint-handling procedures. However, it reports no inventory, overseas warehouse, showroom, overseas agent, or branch, and serves zero overseas countries according to the provided data. Innovation and manufacturing evidence is limited: one R&D engineer, no new products launched in the past year, no SDK, zero quality-control testing equipment, and no ERP-based process digitization. Financial credibility and certification status cannot be reliably assessed from the available slices.

Supplier typeThe supplier is identified as a Limited Company and Trading Company, with a business scope covering steel, pig iron, standard parts, stainless steel products, hardware and electrical equipment, machinery, and building materials. It also holds a valid import/export license, supporting its trading and export role.

R&D capabilityThe supplier reports one R&D engineer, no new products launched in the past year, no product information from recent R&D activity, and no available SDK. ODM service is available, but no sustainable-development or technical-transformation plan is reported and ERP-based digital management is absent.

Production capacityThe supplier is classified as a trading company and reports no inventory capability, while quality-control testing equipment is recorded as zero. Although it lists three qualified service-capability suppliers and one cooperative supplier, the slices do not establish owned manufacturing capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, minor customization, full customization, and flexible customization. ODM service is also available, providing direct evidence of broad customization support.

Client casesThe supplier reports participation in the Canton Fair and OEM service for well-known brands. These statements provide some evidence of market and customer experience, but no customer names, order examples, project outcomes, or independently verifiable case details are supplied.