What's your Delivery Time?

Standard parts: 7-15 days. Non-standard parts: 15-25 days. We will make the delivery as soon as possible with the guarantee quality.

How to Custom-made (OEM/ODM)

If you have a new product drawing or a sample, please send it to us, and we can custom-made the hardware as your required. We will also provide our professional advice of the products to make the design to be more realized and maximize the performance.

Which mode of transport would be better?

In general, the production are heavy, we advice to make delivery by sea. Also we respect your views of other transportation as well.

8.8 Grade ISO4017 ISO4018 High Strength Hex Head Bolts

Name: 8.8 Grade ISO4017 ISO4018 High Strength Hex Head Bolts
Brand: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
SKU: 2300746415

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

Hexagon Head

Model NO.

Hyslss0030

Groove

None

Connection

Common Bolt

Head Style

Hexagonal

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

Color-Zinc Plated / Plain / Black Oxide

Tolerance Grade

ISO 2768 Standard Tolerance

Corrosion Resistance

Anti-Rust Coatings

Knurl Specification

N/a

Key Features

Hexagonal Head, 8.8 Grade, Multi-Standard

Transport Package

Polybag+Export Strong Carton

Specification

M3-M100 / M4-M64 / 1/4"-2 1/2", Length ≤800mm

Trademark

HYS

Origin

China

HS Code

7318160000

Production Capacity

100ton/Month

Key features

High Strength Grade 9.8: Constructed from carbon steel meeting 9.8 grade performance standards for superior load capacity.

Multi-Standard Compliance: Complies with DIN, GB, ANSI, BSW, JIS, and GOST standards including DIN 580 for eye bolts.

Customizable Dimensions: Available in Metric M8-M100 and Imperial 1/4'-4' sizes with lengths up to 200mm.

Diverse Surface Treatments: Offers Plain, Black Oxide, Zinc Plated, Hot-Dip Galvanized, and Anti-Rust Coating options.

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

Precision Manufacturing: Produced via cold forging, machining, and heat treatment with ISO 2768 standard tolerance.

High Precision Capability: Capable of strictly following drawing tolerances for high-precision parts manufacturing.

Wide Industry Application: Suitable for machinery, chemical, environmental, lifting, automotive, and aerospace sectors.

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: ≤1.50h

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 the supply of quality fasteners minimizing costs. Our vision is to build successful relations with partners and be their first choice. Our mission is professional customer service and innovation in technology. We offer reasonable quality and price, market sales suggestions, and welcome your ideas.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery. Our company has strong technology support and a group of managers familiar with product quality and modern management concepts.

Q:If you can not find on our website the product you need how to do?

You can send pictures, photos, and drawings of the products you need by email, and we will check if we have them. We develop new models every month. Or you can send us samples by DHL/TNT, then we can develop the new model especially for you.

Q:Can You Strictly Follow The Tolerance on The Drawing And Meet The High Precision?

Yes, we can. We can provide high precision parts and make the parts as your drawing.

Q:How should I order and make payment?

By T/T. For samples, 100% payment with the order. For production, 30% paid as deposit by T/T before production arrangement, and the balance to be paid before shipment.