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.

DIN6334 Black Oxide Hexagon Long Coupling Nut, Carbon Steel

Name: DIN6334 Black Oxide Hexagon Long Coupling Nut, Carbon Steel
Brand: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
SKU: 2307511405

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.

HysLMW23

Connection

Threaded Connection

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

Custom Grade 3.6-12.9

Customized

Yes

Drawing

Yes

Application

Threaded Rod Connection, Machinery Assembly

Process

Cold Forging / CNC Machining, Heat Treatment

Product Type

Hexagon Long Coupling Nut / DIN6334 Connecting Nut

Service

We Support OEM and ODM

Material Grade

Carbon Steel (3.6-12.9)

Surface Treatment

Black Oxide,Hot DIP Galvanized, Custom

Key Features

Long Design for Extended Threaded Connection

Tolerance Grade

ISO Standard,6h/6g Thread, Radial Runout ≤0.1mm

Quality Control

100% Thread Inspection, Dimensional Testing

Transport Package

Polybag+Export Strong Carton

Specification

Custom M3-M30 (Standard DIN 6334, UNC/UN sizes)

Trademark

HYS

Origin

China

HS Code

7318160000

Production Capacity

100ton/Month

Key features

Customized Material & Surface: Customize materials and surface treatments like Black Oxide or Hot Dip Galvanized per requirements.

Full OEM/ODM Service: Support custom manufacturing from drawings or samples with professional design optimization advice.

100% Quality Inspection: Strict quality control with 100% thread inspection and dimensional testing before delivery.

Wide Application Range: Suitable for computer, automotive, robotics, aerospace, medical, and furniture manufacturing industries.

Fast Delivery Time: Standard parts delivered in 7-15 days; non-standard parts in 15-25 days.

Diverse Payment Options: Accept T/T, LC, D/P, PayPal, Western Union, and small-amount payments for flexible transactions.

ISO 9001 Certified: All processes strictly adhere to ISO9001:2008 procedures ensuring consistent product quality.

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: ≤0.29h

AI-Powered supplier vetting

SummaryKunshan Hongyongsheng Precision Hardware Products Co., Ltd., established in 2016, is a manufacturing company based in Suzhou, Jiangsu, China, with a focus on hardware and fasteners. The company holds certifications and has been audited by SGS. It has a strong customization capability, offers OEM services for well-known brands, and has clear procedures for quality assurance and customer service. However, the company lacks international presence, with no overseas warehouses, showrooms, or participation in trade shows.

Supplier typeThe supplier is a manufacturing factory with a limited company ownership structure, located in Suzhou, Jiangsu, China.

CertificationsThe supplier has been audited by SGS, indicating a level of certification in its operations.

After-Sales capabilityThe supplier has clear procedures and records for handling customer complaints and service capability.

R&D capabilityThe supplier lacks research and development capability with no SDK availability.

Production capacityThe supplier has a strong production capability with a focus on automotive parts, mechanical parts, and other related products.

Customization capabilityThe supplier excels in customization, offering full and flexible customization services.

Client casesThe supplier provides OEM services for well-known brands, indicating established customer relations.

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.