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)?

Send us a new product drawing or sample, and we will custom-make the hardware as required. We also provide professional advice to maximize product performance.

Which mode of transport would be better?

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

Truss Reinforced Corrosion Resistant Black Oxide DIN933 DIN931 Hex Head Bolt

Name: Truss Reinforced Corrosion Resistant Black Oxide DIN933 DIN931 Hex Head Bolt
Brand: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
SKU: 2311617365

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

Stainless Steel

Type

Hex Bolt

Model NO.

HYSLLSS0022

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS

Grade

8.8

Customized

Yes

Drawing

Yes

Application

Machinery, Chemical Industry, Environmental

Process

Cold Forging, CNC Machining, Thread Cutting

Product Type

Stainless Steel Hex Bolt

Service

Samples Freely Supplied, OEM & ODM Supported

Material Grade

8.8 Stainless Steel

Surface Treatment

Plain, Polishing, Galvanized, HDG

Key Features

Corrosion Resistant, Wide Application Range

Tolerance Grade

Machine Thread / Cutting Thread Standard Tolerance

Quality Control

100% Pre-Shipment Inspection, Mtr, RoHS

Transport Package

Bulk, Small Box, Plastic Box, Carton+Pallet

Specification

M3-M100 Custom Machine / Cutting Thread

Trademark

HYS

Origin

China

HS Code

7318160000

Production Capacity

100ton/Month

Key features

Corrosion Resistant Material: Made of 8.8 grade stainless steel with truss reinforced anti-deformation structure.

Customizable Surface Treatment: Options include plain, polishing, galvanized, HDG, and customizable black oxide.

Wide Size Range: Available in full metric sizes from M3 to M100 with machine and cutting thread customization.

Multi-Standard Compliance: Meets DIN, ANSI, GB, and JIS international standards for versatile application.

OEM & ODM Support: Accepts customer engineering drawings and samples for custom hardware manufacturing.

100% Pre-Shipment Inspection: Ensures quality with complete MTR material test reports and full inspection.

Free Sample Service: Samples are freely supplied to verify product quality before bulk orders.

High Precision Machining: Utilizes CNC precision machining and cold forging for strict tolerance compliance.

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: ≤0.89h

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 quality fasteners supply, minimizing costs. Our vision is to build successful relations and be your first choice. Our mission is professional customer service and innovation. We offer reasonable quality and price, provide 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, supported by strong technology and managers familiar with modern management concepts.

Q:If you cannot find the product you need on the website, how do you handle it?

You can send pictures, photos, or drawings via email for us to check. We develop new models monthly. Alternatively, you can send samples by 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 by T/T. For samples, 100% payment is required with the order. For production, 30% deposit by T/T before arrangement, with the balance paid before shipment.