What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

Which international standards do your products comply with?

Our products comply with DIN, ASME, ANSI, ISO, UNI, JIS, GB, BSW, and GOST standards.

What surface treatments are available?

Available surface treatments include ZINC, HDG, COLOR-ZINC, and PTFE.

Factory Price 304 316 Stainless Steel DIN 7991 Hex Socket Countersunk Captive Screw A2 A4 Half Thread Hex Allen Key

Name: Factory Price 304 316 Stainless Steel DIN 7991 Hex Socket Countersunk Captive Screw A2 A4 Half Thread Hex Allen Key
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2143808312

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.05

1,000-9,999 Pieces

US$0.03

10,000-49,999 Pieces

US$0.01

50,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Streel/Alloy Steel/Stainless Steel

Type

Countersunk Head

Groove

Hex

Connection

Common Bolt

Head Style

Countersunk

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

4.8/8.8/10.9/12.9/A2/A4/310S /2520

Product Name

Hex Socket Countersunk Captive Screw

Brand

G&T

Thread

Unc/Unf/Metric

Service

OEM ODM Custom Service

Transport Package

Carton+Pallet

Specification

M1.4-M64

Trademark

Origin

Shanghai

HS Code

7318151001

Production Capacity

50000 Pieces/Year

Key features

Extensive Material Range: Available in Carbon Steel, Alloy Steel, Stainless Steel, and special materials for extreme conditions.

Wide Size Coverage: Product sizes cover M3 to M150, with lengths ranging from 5 millimeters to 12 meters.

Multiple Standards: Complies with DIN, ASME, ANSI, ISO, UNI, JIS, and other international standards.

OEM/ODM Service: Professional OEM and ODM customization services available for fasteners.

Versatile Applications: Suitable for high-speed rail, ships, nuclear power, aerospace, and petrochemical equipment.

Surface Treatment Options: Options include Zinc, HDG, Color-Zinc, and PTFE for enhanced corrosion resistance.

Global Experience: Over 20 years of experience serving 1,000+ customers in 200+ countries.

One-Stop Solution: Comprehensive procurement solution for standard and non-standard fasteners.

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: ≤2.63hTerms 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.

Product Q&A

Q:What materials are available for these screws?

We offer Carbon Steel, Alloy Steel, Stainless Steel, and special materials suitable for ultra-high temperature, ultra-low temperature, and strong corrosion environments.

Q:What is the size range of the products?

The product size covers M3 to M150, with length ranging from 5 millimeters to 12 meters.

Q:Do you accept OEM or ODM orders?

Yes, we provide OEM and ODM custom services for fasteners based on samples or designs.

Q:What is the minimum order quantity?

The Minimum Order Quantity is 10 Pieces.

Q:What are the delivery times?

Delivery time is 20-30 days after receiving payment. Peak season lead time is within 15 workdays to 3 months, and off-season is within 15 workdays to 3 months.