What certifications does the product have?

The product has CE certification, and the factory holds ISO9001, ISO14001, and ISO45001 certifications.

What standards do these screws follow?

They comply with DIN, GB, ANSI, BSW, JIS, and GOST standards, specifically DIN7504K.

Where is the product manufactured?

The place of origin is China, specifically in Yongnian, Handan, Hebei.

Galvanized Hex Self Drilling Screw Roofing Screws

Name: Galvanized Hex Self Drilling Screw Roofing Screws
Brand: Younsion Fastening Industrial Co., Ltd.
SKU: 1928377231

Hebei, ChinaYounsion Fastening Industrial Co., Ltd.

US$0.001-0.01

100,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

HS04

Groove

Word

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

4.8

Finishing

Garvanized

Transport Package

Bag with Pallet

Specification

M3-M8

Trademark

Origin

China

HS Code

7318190000

Production Capacity

3200tons/Years

Key features

Self-Drilling Capability: Taps its own hole in hard substrates like metal without pre-drilling.

EPDM Washer Included: Comes with EPDM washer for enhanced sealing and weather resistance.

Multiple Finishing Options: Available in White Zinc, Yellow Zinc, and Zinc Plated finishes.

Wide Size Range: Lengths from 19mm to 150mm; Diameters 4.8mm, 5.5mm, 6.3mm.

OEM Customization: Supports customization from designs and OEM services.

ISO Certified Quality: Manufactured under ISO9001, ISO14001, and ISO45001 systems.

Versatile Applications: Suitable for heavy industry, decoration, and general industrial use.

Fast Lead Time: Average lead time within 15 workdays for both peak and off seasons.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedExhibition Experience

Younsion Fastening Industrial Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 5 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤7.94h

AI-Powered supplier vetting

SummaryThe supplier operates across hardware, handling equipment, metal materials, wire rope, bearings, building materials, and related industrial products. It reports 10 production lines and OEM service for well-known brands, while offering customization from customer designs. Certifications include ISO9001:2015, ISO14001, ISO45001:2018, and CE. However, its documented R&D and service-management infrastructure is limited: it reported no new products in the past year, no ODM, no SDK, no 3D design or private mold capability, and only one year of R&D engineer experience. Quality-control staffing is below five. Supplier-service procedures, complaint handling, and corrective-action records are not documented. It has no overseas warehouse, showroom, agent, or branch, but has attended the 136th Canton Fair. Financial information is present for recent years, but the provided slices do not establish financial strength.

Supplier typeThe supplier appears to be a diversified industrial and hardware manufacturer/seller, covering handling equipment, metals, wire rope, bearings, building materials, cables, and hardware. Its 10 production lines and stated OEM activity indicate both manufacturing and supplier-service functions rather than a purely trading profile.

CertificationsThe supplier reports ISO9001:2015, ISO14001, ISO45001:2018, and CE certifications. These are explicit certification claims, although the record also contains a general management-system category of “Others” without further detail.

After-Sales capabilityThe supplier has no written procedures or records for complaint handling, corrective and preventive actions, or effective service-capability assessment. It also has no overseas warehouse, showroom, agent, or branch, so the available evidence does not demonstrate a robust after-sales infrastructure.

R&D capabilityInnovation evidence is limited: there were no new products in the past year, no ODM, no SDK, no ERP-based digital process integration, no 3D design service, no private molds, and only one year of R&D engineer experience. The supplier does report Photoshop capability and three R&D patents, but the overall evidence does not show strong current innovation capacity.

Production capacityThe supplier reports 10 production lines, a quality-control team of fewer than five staff, production-process controls aligned with national standards and consumer requirements, and peak- and off-season lead times within 15 working days. These explicit operating details support production capability, although the limited QC staffing may constrain oversight.

Customization capabilityThe supplier explicitly offers customization from customer designs and provides OEM services for well-known brands. However, it does not provide ODM, 3D software design, private mold, or SDK services, indicating that customization is primarily execution based on supplied designs rather than independent product development.