What is your delivery time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We ensure delivery as soon as possible while guaranteeing quality.

How to custom-made (OEM/ODM)?

If you have a new product drawing or sample, please send it to us. We can custom-make the hardware as required and provide professional advice to maximize performance.

Which mode of transport would be better?

Generally, sea freight is recommended as production is heavy. However, we respect your views on other transportation methods as well.

M3-M6 A2 A4 Stainless Steel Hexagon Socket Cap Screws Allen Bolts with Nuts

Name: M3-M6 A2 A4 Stainless Steel Hexagon Socket Cap Screws Allen Bolts with Nuts
Brand: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
SKU: 2300739375

Jiangsu, ChinaKunshan Hongyongsheng Precision Hardware Products Co., Ltd.

US$0.01-0.10

10,000 Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Socket Head / Allen Bolt

Model NO.

Hyslss0028

Groove

Hexagon

Connection

Common Bolt

Head Style

Socket Head

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

8.8 / 4.8, 5.8, 6.8, 10.9, 12.9; A2-70, A4-70

Customized

Yes

Drawing

Yes

Application

Machinery, Chemical Industry, Environmental, Build

Process

Cold Forging / Machining / Heat Treatment

Service

OEM/ODM Support, Free Samples Available

Thread Specification

Metric (M), Unc, Unf

Surface Treatment

Plain / Black Oxide / Zinc Plated / H.D.G / Nickel

Tolerance Grade

ISO 2768 Standard Tolerance

Corrosion Resistance

Anti-Rust Coatings

Knurl Specification

N/a

Key Features

Socket Head,8.8grade,Multi-Standard, High Strength

Transport Package

Polybag+Export Strong Carton

Specification

M4-M64 / 1/4"-2 1/2", Length ≤800mm

Trademark

HYS

Origin

China

HS Code

7318160000

Production Capacity

100ton/Month

Key features

Multi-Standard Compliance: Meets DIN, GB, ANSI, BSW, JIS, GOST, and other international standards.

Wide Performance Grades: Available in ASTM A325, A490, and grades 4.8 through 12.9.

Custom Material & Finish: Customize materials and surface treatments including zinc plating and hot-dip galvanized.

OEM/ODM Support: Full customization support with drawing validation and engineering services.

High Precision Capability: Strict adherence to ISO 2768 tolerance and ability to follow custom drawings.

Extensive Size Range: Metric M4-M100 and Imperial 1/4'-4', with lengths up to 800mm.

Diverse Application Scope: Suitable for machinery, automotive, aerospace, medical, and furniture industries.

Robust Packaging: Secure polybag and export strong carton packaging for safe transport.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.

Jiangsu, 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: 10 years CertifiedNearest Port: ShanghaiAverage Response Time: ≤1.74h

AI-Powered supplier vetting

SummaryKunshan Hongyongsheng Precision Hardware Products Co., Ltd. is a China-based factory established in 2016, with 25 employees and a business scope covering automotive parts, mechanical components, furniture parts, plastic products, metal materials, and mechanical equipment. It offers extensive customization and ODM services, reports new product development within the past year, and provides OEM services to well-known brands. Production-related evidence includes CNC and machining equipment, five quality inspectors, standardized finished-product inspection instructions, and peak/off-season lead times within 15 working days. Service procedures cover supplier assessment, corrective and preventive actions, and customer complaints, although overseas service infrastructure is absent. An SGS audit report is identified, but the provided data does not state a certification or a positive audit result. Financial information is present only as year labels, so financial strength cannot be assessed. Customer and brand...

Supplier typeThe supplier is identified as a factory and a limited company located in Kunshan, Suzhou, Jiangsu, China. It was established on March 10, 2016, and has 25 employees, indicating a relatively small manufacturing enterprise.

After-Sales capabilityThe supplier has written procedures and records for customer complaint handling, corrective and preventive actions, and service-capability assessment. However, it has no overseas warehouses, showrooms, agents or branches, has not participated in offline trade shows, and reports zero countries with overseas services.

R&D capabilityThe supplier reports that it had new products within the past year and provides ODM services. It does not have an available SDK, but SDK availability is not sufficient by itself to negate the stated product-development capability.

Production capacityThe supplier operates as a manufacturing factory covering automotive, mechanical, furniture, plastic, and related products. It lists CNC lathe, machining center, and screening-machine capabilities, employs five quality inspectors, follows standardized finished-product inspection instructions, and reports lead times within 15 working days in both peak and off-season.

Customization capabilityBoth the R&D and design-capability records identify customization from samples, customization from designs, full customization, minor customization, and flexible customization. The supplier also reports ODM availability, providing explicit evidence of broad customization support.

Product Q&A

Q:Why choose us?

We provide first-class services in supplying quality fasteners while minimizing costs. Our vision is to build successful relations with partners, and our mission focuses on professional customer service and technological innovation. We offer reasonable quality and price, along with market sales suggestions.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures. We maintain strict quality control from production to delivery, supported by a team of managers familiar with product quality and modern management concepts.

Q:If you cannot find the product you need on your website, what should I do?

You can send pictures, photos, or drawings via email for us to check availability. We develop new models monthly. Alternatively, you can send samples via DHL/TNT, and we will develop a new model specifically for you.

Q:Can you strictly follow the tolerance on the drawing and meet high precision?

Yes, we can. We provide high precision parts and manufacture them exactly according to your drawings.

Q:How should I order and make payment?

Payment is made by T/T. For samples, 100% payment is required with the order. For production, 30% is paid as a deposit before arrangement, and the balance is paid before shipment.