What is the production lead time?

The average lead time is within 15 workdays for both peak and off-peak seasons.

What payment terms do you accept?

We accept T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

Is the product suitable for heavy industry use?

Yes, it is designed for heavy industry, decoration, and general industry applications.

Hex Flange Head Self Drilling Roofing Screw Galvanized with Washer

Name: Hex Flange Head Self Drilling Roofing Screw Galvanized with Washer
Brand: Younsion Fastening Industrial Co., Ltd.
SKU: 1997805812

Hebei, ChinaYounsion Fastening Industrial Co., Ltd.

US$0.005-0.15

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head With Flange

Model NO.

HFSDS

Groove

Word

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

4.8

Name

Hex Flange Head Self Drilling Screw

Surface Treatment

White Zinc, Yellow Zinc, White Blue Zinc Plated

Transport Package

Box or Bag with Pallet

Specification

M3-M8

Trademark

Younsion

Origin

Handan, Hebei, China

HS Code

7318190000

Production Capacity

70200 Tons /Years

Key features

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

EPDM Washer Included: Hex head screws come with EPDM washers for secure sealing.

Multiple Plating Options: Available in White Zinc, Yellow Zinc, and White Blue Zinc Plated.

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

OEM Customization: Customization available from client designs.

Multiple Standards Compliance: Meets DIN, GB, ANSI, BSW, JIS, and GOST standards.

ISO Certified Manufacturer: Certified under ISO9001:2015, ISO14001, and ISO45001:2018.

Fast Lead Time: Production completed within 15 workdays for both peak and off-peak 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: ≤8.22h

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.