Do you provide quality inspection?

Yes, we perform 100% visual inspection of finished products before packing.

What certifications do your products have?

Our products are ISO certified and comply with standards like DIN, ANSI, and BSW.

What is the packaging method?

Products are packed in 25KG boxes or bags with strong wooden pallets.

Premium Hex Head Screws for Robust Photovoltaic System Installations

Name: Premium Hex Head Screws for Robust Photovoltaic System Installations
Brand: Jiaxing Sini Fastener Co., Ltd.
SKU: 2108031205

Zhejiang, ChinaJiaxing Sini Fastener Co., Ltd.

US$0.01-0.08

10,000 Pieces

Sample price:US$0.02/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Hexagon

Model NO.

sini1225

Shape of Groove

Linear

Surface Finishing

Galvanize

Certification

ISO

Customized

Type

Hexagon Head

Head Style

Hexagonal

Connection

Common Bolt

Transport Package

25kg Per Box or Bag + Strong Wooden Pallets

Origin

China

HS Code

7318151001

Production Capacity

1000ton/Year

Key features

Customized Manufacturing: Full customization available from samples, designs, or drawings with flexible options.

Diverse Material Options: Available in Carbon Steel, Stainless Steel, Aluminium, and Brass.

Wide Size Range: Diameters from M6 to M16 and lengths from 25mm to 280mm.

Multiple Surface Finishes: Options include Plain, Zinc, Black/Grey Phosphated, Nickel, and Dacroment.

ISO Certification: Products meet ISO standards and other international specifications like DIN and ANSI.

OEM and ODM Services: Full OEM and ODM services available for custom fastener requirements.

Strict Quality Control: 100% visual inspection of finished products by dedicated QA/QC inspectors.

Global Export Experience: 15 years of export experience serving North America, South America, Europe, and the Middle East.

Company profile

R&D CapabilitiesCustomization from Samples100% Finished Products InspectionManagement Certification

Jiaxing Sini 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, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai Port; Ningbo PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier operates in hardware and mechanical equipment, with stated import/export licensing and products including fasteners. It reports OEM and ODM capability, broad customization options, and manufacturing equipment that includes punching, rolling, deburring, laser cutting, bending, riveting, and hydraulic machines. Export sales account for 90% of total sales, and stated quotation terms include FOB, CFR, CIF, and EXW. However, the available evidence indicates important operational weaknesses: only one production line is reported, there is no valid manufacturing-capacity contract with related subcontractors, no inventory or overseas service infrastructure, no written supplier-service assessment procedure, and no documented corrective-action, complaint-handling, quality-assurance, or traceability systems. No certification information or specific customer cases are provided.

Supplier typeThe supplier is presented as a hardware and mechanical-equipment business, with licensed import/export and technology-import/export activities, plus sales and R&D of hardware products, mechanical equipment, and mechanical components. Its stated product scope includes fasteners such as carriage bolts, indicating a manufacturer/supplier focused on hardware and related mechanical products.

After-Sales capabilityThe supplier has no stated overseas agents or branches, overseas warehouse, overseas showroom, or overseas service countries, and it has no written procedures or records for corrective and preventive actions or customer-complaint handling. These explicit gaps indicate weak documented after-sales and international service infrastructure.

Production capacityThe supplier lists multiple processing machines and reports one production line, a one-month average lead time in both peak and off-season, and 90% export sales. Nevertheless, it lacks a valid manufacturing-capacity contract with related subcontractors, does not continuously reconcile production quantities, has no outsourcing SOP, and has no quality assurance or raw-material traceability, creating material production-control deficiencies.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization through its design and R&D capabilities. It also states that special parts can be manufactured, providing clear evidence of broad customization capability.