Gr. 2 5 8 Flat Countersunk Head Square Neck Bolts No. 3 Regular Head Plow Bolts with Long / Short Square

Name: Gr. 2 5 8 Flat Countersunk Head Square Neck Bolts No. 3 Regular Head Plow Bolts with Long / Short Square
Brand: Jiaxing Sini Fastener Co., Ltd.
SKU: 2067147405

Zhejiang, ChinaJiaxing Sini Fastener Co., Ltd.

US$0.50

1,000-99,999 Pieces

US$0.05

100,000+ Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Countersunk Head

Model NO.

Plow Bolt

Connection

Common Bolt

Head Style

Counter Sunk Bolt

Standard

DIN

Grade

4.8

Application

Machinery, Building

Finish

Blue-White Zinc Plated

Transport Package

25kg Per Box or Bag + Strong Wooden Pallets

Specification

Dia 5/16"-1"; L 5/8"-24"

Origin

China

HS Code

7318159001

Production Capacity

1000 Tons/Year

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.

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Gr. 2 5 8 Flat Countersunk Head Square Neck Bolts No. 3 Regular Head Plow Bolts with Long / Short Square