What is your delivery time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We ensure the fastest delivery possible while guaranteeing quality.

How to custom-made (OEM/ODM)?

Send us new product drawings or samples. We will custom-make the hardware as required and provide professional advice to maximize design performance.

Which mode of transport would be better?

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

Complete Assembly Stainless Hex Bolt Equipped with Flat, Spring and Lock Washers Hex Bolt

Name: Complete Assembly Stainless Hex Bolt Equipped with Flat, Spring and Lock Washers Hex Bolt
Brand: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
SKU: 2313134745

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.

HYSLLSS00151

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

A2-70,A2-80,A4-70,A4-80

Customized

Yes

Drawing

Yes

Application

Machinery Assembly

Process

Cold Forging, CNC Machining, Thread Cutting

Product Type

A2-70,A2-80,A4-70,A4-80 Hex Bolt

Service

Free Samples, OEM & ODM Supported

Material Grade

A2-70,A2-80,A4-70,A4-80

Surface Treatment

Passivation

Key Features

External Hex Head, Full Thread Design

Tolerance Grade

Standard Metric Thread Tolerance

Quality Control

100% Pre-Shipment Inspection, Mtr, RoHS

Transport Package

Bulk, Small Box, Color Box, Carton+Pallet

Specification

M2.5~M20, Length 10-300mm, Custom Size Available

Trademark

HYS

Origin

China

HS Code

7318160000

Production Capacity

100ton/Month

Key features

Complete Assembly Design: Pre-assembled with flat, spring, and lock washers for direct mechanical installation.

High-Grade Stainless Steel: Available in A2-70, A2-80, A4-70, and A4-80 grades for superior corrosion resistance.

Full Customization Support: Accepts customer drawings and samples for fully customized non-standard components.

Strict Quality Control: 100% pre-shipment inspection with complete MTR material test reports provided.

Wide Standard Compliance: Meets DIN, ANSI, GB, JIS, GOST, and BSW international standards.

OEM & ODM Services: Professional custom processing supported with free test samples available.

Versatile Application: Ideal for machinery assembly, automotive, aerospace, medical, and furniture manufacturing.

Precision Manufacturing: Produced via cold forging, CNC machining, and full thread rolling processes.

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: ≤1.07h

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 while minimizing costs. Our vision is to build successful relations and be your first choice. We offer reasonable quality and price, plus market sales suggestions.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures. We maintain strict quality control from production to delivery, supported by experienced managers and modern management concepts.

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

You can send pictures, photos, or drawings via email for us to check availability. We develop new models monthly. Alternatively, you can send samples via DHL/TNT for custom development.

Q:Can you strictly follow tolerance on drawings and meet high precision?

Yes, we can 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 is paid before arrangement, and the balance is paid before shipment.