What are the payment terms?

We accept T/T, L/C for general orders, and PayPal or Western Union for small or sample orders.

How are products packed?

Packed in 15-25 kg cartons, 36-48 cartons per pallet (approx. 900-960 kg). Custom logos and packaging are available.

Can we print our logo?

Yes, we can customize cartons and print your logo according to your requests.

Yes, reasonable discounts are available for large orders, old customers, and frequent buyers.

What is the daily production capacity?

We can produce nearly 200,000 to 300,000 pieces per day.

1022A Hex Washer Head Screw Roofing Screw with EPDM

Name: 1022A Hex Washer Head Screw Roofing Screw with EPDM
Brand: Ningbo Oukailuo Hardware Co., Ltd.
SKU: 2278132985

Zhejiang, ChinaNingbo Oukailuo Hardware Co., Ltd.

US$0.002-0.005

200,000 Pieces

Product specifications

Specification

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel, Stainless Steel

Type

Hexagon Head

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Zinc-Plated, Galvanized, Hot-DIP Galvanized

Product Name

Hex Head Self Drilling Screw

Keywords

Drilling Screw

Standards

DIN7504K

Strength Grade

Grade 8.8 / Customized

Size

#8, #10, #12, #14

Thread Type

Self-Tapping

Design Feature

Metric Thread, Full Thread

Applications

Machinery, Equipment, Vehicles, Construction, Rail

Transport Package

Standard Packaging or Customized

Specification

Standard Specifications or Customized

Trademark

OUKAILUO

Origin

Zhejiang, China

HS Code

7318150000

Production Capacity

40000000PCS/Year

Key features

Self-Drilling Efficiency: Combines drilling, tapping, and fastening in one step without pre-drilling.

EPDM Waterproof Seal: Built-in EPDM rubber washer ensures excellent waterproof and sealing performance.

Customizable Options: Custom sizes (#8-#14) and colors accepted for specific project needs.

High Strength Grade: Grade 8.8 carbon steel or stainless steel for stable performance and long life.

Anti-Corrosion Finish: Zinc-plated, galvanized, or color-coated surfaces for durable corrosion resistance.

Hex Head Design: Hexagonal head allows easy installation with standard tools and better torque.

Global Standards: Compliant with DIN, ANSI, GB, JIS, and BSW standards for interchangeability.

Versatile Applications: Ideal for metal roofing, steel structures, containers, and wall panel fixing.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceODM Services

Ningbo Oukailuo Hardware Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 14 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤7.97h

AI-Powered supplier vetting

SummaryThe supplier is a fastener manufacturer with capabilities spanning R&D, design, production, quality control, and after-sales service. It reports recent new-product development, ODM services, OEM experience with well-known brands, sample-based customization, five production lines, and approximately one-month lead times in both peak and off-peak periods. However, the available evidence also identifies important limitations: no supplier-management certification is listed, service procedures lack records, no overseas warehouse, showroom, agent, branch, or offline trade-show participation is reported, and no factory environmental impact assessment or regular fire drills were reported. Financial information is represented only by year labels, without substantive financial metrics, so credibility cannot be determined from the provided slices.

Supplier typeThe supplier describes itself as a fastener producer covering R&D, design, manufacturing, quality control, and after-sales service. Its reported five production lines and OEM/ODM activities support classification as a manufacturer rather than only a trading or service intermediary.

CertificationsThe supplier-management certification field is explicitly recorded as “NIL,” and no other certification is identified in the provided evidence. This is a stated absence of certification information rather than merely incomplete documentation.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has two years of R&D engineer experience in the supplied data. These points support active product development, although the reported absence of an available SDK limits evidence of software or integration-oriented R&D capability.

Production capacityThe supplier reports five production lines, fastener-production experience, CNC machining with micron-level precision, and one-month lead times in both peak and off-peak seasons. Its Ningbo location and access to Ningbo and Shanghai ports further support logistics, although production capacity volume is not quantified.

Customization capabilityThe supplier explicitly offers customization from samples, ODM services, and custom-machined parts using CNC lathes. This provides direct evidence of both sample-based and design-oriented customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of customer experience with recognized-brand projects. However, no customer names, project details, or verifiable case records are provided, so the breadth and quality of its customer portfolio cannot be fully evaluated.