4" Carriage Bolt Grade2 Grade5 Round Head Square Neck Bolt

Name: 1/4" 1/2" 3/4" Carriage Bolt Grade2 Grade5 Round Head Square Neck Bolt
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2126651812

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.04

1,000-9,999 Pieces

US$0.03

10,000-99,999 Pieces

US$0.02

100,000+ Pieces

Product specifications

Diameter

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel/Alloy Steel

Type

Round Head Square Neck

Model NO.

Carriage Bolt

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST, ASME/ASTM/En/ISO/Ifi

Grade

Class4.8/6.8/8.8/10.9/12.9,Grade 2/5/8,ASTM A193

Application

Machinery, Chemical Industry, Environmental, Building, Solar/Engineering/Marine/Fabrication/Shipyard

Finish

Plain/Polished/Passivated

Thread

Unc/Unf

Measurement System

Imperial(Inch)

Quality Control

100% Inspection

Sample

Sample Avaliable

Deliver Port

China

Delivery Time

30-35days

Service

OEM ODM

Coating

HDG/Hot DIP Galvanized/Color Zinc/Chrome Plated

Material 2

10b21,1022,45K ,35K,45#40cr,35CrMo,Scm435,42cr

Transport Package

Carton+Pallet

Specification

M5-M20, Customer request

Trademark

Origin

China

HS Code

7318159090

Production Capacity

500000PCS/Month

Company profile

High Repeat Buyers ChoiceMulti-language PioneerExperienced TeamExhibition Experience

Shanghai Borui Metal Products Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤2.00hTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based limited trading company with 41 employees, focused on fasteners and related metal, mechanical, plastic, rubber, electrical, and photovoltaic products. It offers sample-, design-, and full-customization services, as well as ODM and OEM services, and reports export sales of 71%–90%. In-stock service is available, but there is no overseas warehouse, showroom, agent, or branch. Financial records are identified for 2022–2024, but no financial values or performance conclusions are provided. Service-process evidence is weak: no written corrective/preventive-action or complaint-handling procedures or records are available, while quality-assurance status and fire-drill status are unknown. No certifications, customer cases, or production facilities are explicitly documented.

Supplier typeThe supplier is identified as a limited company and trading company, with 41 employees, no stated parent-group affiliation, and a Shanghai registered and physical address. Its stated product scope centers on fasteners and related industrial products.

After-Sales capabilityThe supplier has in-stock service capacity, but it has no overseas warehouse, showroom, overseas agent, or branch. More importantly, no written corrective/preventive-action procedures or records and no written customer-complaint procedures or records are available, indicating a documented after-sales process is not demonstrated.

R&D capabilityThe supplier lists research and development of metal products and hardware products, and offers ODM services. However, no SDK is available, and the information does not provide measurable R&D resources, patents, or development outcomes; the documented capability is therefore limited but present.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and full customization, together with ODM and OEM services for popular brands. These statements provide direct evidence of broad customization and design-manufacturing service capability.