Can you customize the packaging?

Yes, customized packaging configurations are available. We can adjust small carton quantities and master carton labels to align with your specific requirements.

What is the minimum order quantity (MOQ)?

The minimum order quantity is 10,000 pieces. We also support OEM and ODM services for custom designs or samples.

Are these screws suitable for solar panel mounting?

Yes, they are specifically designed for solar panel mounting, allowing you to attach brackets to metal roofs without compromising weather resistance.

5.5X32mm Fixing Cladding to Metal Self Drilling Screws with EPDM Washer

Name: 5.5X32mm Fixing Cladding to Metal Self Drilling Screws with EPDM Washer
Brand: Ningbo Yongbiao Fastener Co., Ltd
SKU: 2098148722

Zhejiang, ChinaNingbo Yongbiao Fastener Co., Ltd

US$0.02

10,000-199,999 Pieces

US$0.014

200,000-399,999 Pieces

US$0.01

400,000+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Hexagon

Model NO.

10# 5.5*32mm

Surface Finishing

Zinc Plated

Certification

ISO

Customized

Non-Customized

Hscode

7318140000

Washer

EPDM

Tail

Drilling Type

Application

Roofing Fixing

Transport Package

Carton Box

Specification

10# 5.5*50mm full thread

Trademark

Origin

Zhejiang

HS Code

7318140000

Production Capacity

1000000

Key features

Watertight Seal: EPDM washer compresses evenly to prevent leaks, even under thermal expansion and contraction.

Self-Drilling Efficiency: Eliminates pre-drilling requirements, significantly reducing labor costs and installation time.

Corrosion Protection: Zinc-plated carbon steel or stainless steel options ideal for humid and coastal environments.

Vibration Resistance: Maintains strong grip in high-wind areas, ensuring stability for metal roofing systems.

Versatile Applications: Suitable for metal roofing, solar panel mounting, and securing waterproofing layers.

ISO Certified Quality: Manufactured to ISO 15480 standard with rigorous quality control and testing.

Custom Packaging: Flexible packaging configurations available to meet specific client and logistical requirements.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceProduction Process Visualization

Ningbo Yongbiao Fastener Co., Ltd

Zhejiang, 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: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤1.52h

AI-Powered supplier vetting

SummaryThe supplier is described as a medium-sized fastener manufacturer integrating R&D, production, and sales, with more than 50 employees, over 50 production machines, more than 10 testing machines, and four production lines. It provides OEM services for well-known brands and supports customization from samples and designs. Quality and service-management procedures are documented and followed, including finished-product inspection, supplier assessment, corrective and preventive action, and complaint handling. However, no SDK is available, and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported. Overseas service coverage is recorded as zero countries, while export-trade experience is represented by three experienced staff. Production quantity reconciliation is not continuously performed for every batch or production run. Financial records are identified for 2021–2023, but the provided information does not establish financial strength.

Supplier typeThe supplier operates as a fastener manufacturing enterprise integrating R&D, production, and sales. Its stated business scope also includes wholesale, motorcycle and bicycle parts, wire and cable management, instruments, pumps, household-appliance parts, and metal materials, while its primary market is listed as domestic.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaints. However, it reports no overseas warehouse, showroom, agent, branch, or offline trade-show capability, and overseas service coverage is recorded as zero countries, limiting evidence of strong international after-sales support.

Production capacityThe supplier reports four production lines, more than 50 production machines, more than 10 testing machines, over 50 employees, and screw output of 4,000 tons. Finished-product inspection instructions are uniformly followed, but continuous quantity reconciliation for each batch or production run is not performed.

Customization capabilityThe supplier explicitly supports customization from samples and designs and provides OEM services for well-known brands. These capabilities directly support customer-specific product development and manufacturing.

Product Q&A

Q:Why choose our EPDM self-drilling screws?

We are a direct manufacturer offering competitive prices, high-quality products, and professional service with fast export capabilities from Ningbo Port.

Q:What is the delivery time for orders?

The standard delivery time is 20-25 days. During peak season, it may take one month, while off-season orders are completed within 15 workdays.

Q:What are your terms of payment?

We require 30-50% payment in advance, with the remaining 50-70% paid before delivery. We accept LC, T/T, D/P, PayPal, and Western Union.

Q:What price terms do you offer?

We offer flexible international commercial terms including EXW, FOB, CIF, and DDP to suit your logistics needs.

Q:What materials are available for these screws?

We provide Carbon Steel (with zinc plating) and Stainless Steel options (SUS410 or SUS410+304) to meet different corrosion resistance requirements.