What's your Delivery Time?

Standard parts: 7-15days. Non-standard parts: 15-25days. 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 to us, and we can custom-made the hardware as your required. We will also provide our professional advices of the products to make the design to be more realized & 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.

DIN6921 High Tensile Hex Flange Bolt

Name: DIN6921 High Tensile Hex Flange Bolt
Brand: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
SKU: 2304965015

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

Flange Bolt

Model NO.

HYSLLSS236

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS

Grade

4.8,8.8,10.9,12.9

Customized

Yes

Drawing

Yes

Application

Machinery,Chemical,Environmental,Building

Process

Cold/Hot Forging,Thread Rolling,Heat Treatment

Product Type

High Tensile Carbon Steel Hex Flange Bolt

Service

Free Samples, OEM & ODM Supported

Material Grade

Carbon Steel (4.8/8.8/10.9/12.9 Grade)

Surface Treatment

Plain, Zinc Plated(Clear/Blue/Yellow/Black)

Key Features

Integrated Hex Flange Head, High Tensile Strength

Tolerance Grade

Standard Metric Thread Tolerance

Quality Control

100% Inspection,ISO9001

Port of Loading

Shanghai

MOQ

10,000 PCS

Transport Package

Small Box, Carton, Bulk

Specification

M3-M72, 3/16"-4", Custom Length

Trademark

HYS

Origin

China

HS Code

7318160000

Production Capacity

100ton/Month

Key features

High Tensile Strength Grades: Available in 4.8, 8.8, 10.9, and 12.9 grades for light to heavy load requirements.

Integrated Hex Flange Design: One-piece head with built-in washer eliminates separate washers and prevents loosening.

Comprehensive Customization: Custom sizes, lengths, grades, plating colors, and laser logo marking supported.

Multi-Color Zinc Plating: Anti-corrosion options include Clear, Blue, Yellow, and Black zinc plating finishes.

Global Standard Compliance: Meets DIN, ANSI, GB, JIS standards with GOST and BSW customization available.

Strict Quality Control: 100% pre-shipment inspection including tensile strength and salt spray testing.

Wide Size Range: Metric M3-M72 and Imperial 3/16'-4' with custom shank lengths per drawings.

OEM & ODM Services: Full customization support including drawing analysis and structural optimization.

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: ≤1.27h

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?

To provide our customers with first-class services in the supply of quality fasteners minimizing costs. We wish to build successful relations with our partners and be their first choice as a fasteners supplier. Our mission is professional customer service, and innovation in technology. Further more, we do not only offer you fasteners with more reasonable quality and price than your expectations, but also would like to be your friend and to provide you market sales suggestion for your reference,

Q:How is quality ensured?

All our processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery. Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.

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

You can send the pictures/photos and drawings of the products you need by email , 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% with the order; for production, 30% paid for deposit by T/T before production arrangement, the balance to be paid before shipment.