What's your Delivery Time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We will make the delivery as soon as possible with the guarantee of 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 is heavy, so we advise to make delivery by sea. Also, we respect your views of other transportation as well.

Polished DIN603 Carriage Bolt Multiple Sizes Guardrail Installation Hardware Carriage Bolt

Name: Polished DIN603 Carriage Bolt Multiple Sizes Guardrail Installation Hardware Carriage Bolt
Brand: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
SKU: 2312972545

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

Carriage Bolt

Model NO.

HYSLLSS00142

Connection

Common Bolt

Head Style

Mushroom

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

A2-70,A4-70,A4-80

Customized

Yes

Drawing

Yes

Application

Machinery, Chemical Industry, Environmental

Process

Cold Forging, CNC Machining, Thread Cutting

Product Type

All Grade Stainless Steel Carriage Bolt

Service

Free Samples, OEM & ODM Supported

Material Grade

A2-70 (SS304), A4-70, A4-80 (SS316)

Surface Treatment

Plain, Passivation

Key Features

Mushroom Head with Square Neck

Tolerance Grade

Standard Metric Thread Tolerance

Quality Control

100% Pre-Shipment Inspection, Mtr, RoHS

Transport Package

Bulk, Small Box, Color Box, Carton+Pallet

Specification

Custom Size Available

Trademark

HYS

Origin

China

HS Code

7318160000

Production Capacity

100ton/Month

Key features

Custom Size Available: Standard and non-standard sizes can be customized according to customer drawings.

Premium Stainless Steel: Available in A2-70 (SS304) and A4-70/A4-80 (SS316) grades for superior corrosion resistance.

Mushroom Head Design: Features a mushroom head with an integrated square neck to prevent rotation during installation.

OEM & ODM Support: Full customization services including custom materials, surface treatments, and engineering drawings.

100% Pre-Shipment Inspection: Rigorous quality control with complete MTR material test reports supplied for every batch.

Multiple Surface Options: Offers plain, passivation, and polished finish options to meet specific aesthetic and functional needs.

Free Samples Available: Free test samples provided to help customers verify quality before placing bulk orders.

Wide Industry Application: Suitable for guardrails, fences, machinery, chemical industry, and environmental equipment assembly.

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: ≤1.90h

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 as a fasteners supplier. Our mission focuses on professional customer service and innovation in technology. We offer fasteners with reasonable quality and price, provide market sales suggestions, and welcome your ideas.

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 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?

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