Round Head Square Neck Bolt

Name: Carriage Bolt/Mushroom Square Neck Bolt /Round Head Square Neck Bolt
Brand: Shenzhen Conghui Precision Hardware Co., Ltd.
SKU: 723487622

Guangdong, ChinaShenzhen Conghui Precision Hardware Co., Ltd.

US$0.01-0.20

100 Pieces

Product profile

Customization

Available

Material

Stainless Steel

Type

Round Head

Model NO.

CH-C0018

Connection

Common Bolt

Head Style

Square

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

304,316,A2,A4

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Bolt Type

Coach Bolt,Carriage Bolt,Square Neck Bolt

Certificate

ISO9001:2008, SGS Testing Report & RoHS

OEM

Available

MOQ

100PCS

Product Name

Carriage Bolt/Mushroom Square Neck Bolt

Transport Package

General Export Package

Specification

M4-M20

Trademark

CONGHUI

Origin

Guangdong, China

HS Code

7318130000

Production Capacity

1000000PCS/Week

Key features

Wide Material Selection: Available in Stainless Steel, Carbon Steel, Titanium, Aluminum, and Brass.

Customizable Sizes: Sizes range from M4 to M20 or as per your specific request.

Diverse Head Styles: Options include Flat, Round, Oval, Button, Fillister, and various Hex types.

Multiple Standards: Complies with ISO, GB, DIN, JIS, ANSI, BSW, ASME, and GOST standards.

Extensive Finishing Options: Includes Zn-plated, Ni-plated, Black Oxide, Anodize, and more.

OEM Services Available: Custom bolt types and OEM manufacturing services are supported.

Fast Delivery: Standard delivery is 7-15 days after confirmation with urgent options.

Free Samples: Free samples available for reference; customer pays shipping cost.

Company profile

Shenzhen Conghui Precision Hardware Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤2.94h

AI-Powered supplier vetting

SummaryShenzhen Conghui Precision Hardware Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, supplying fasteners, hardware, and tools. It demonstrates broad customization and ODM capabilities, reports new products within the past year, and provides OEM services for well-known brands. Service processes for corrective actions and customer complaints are documented and supported by records, while supplier-service qualification procedures exist but lack records. Production-related evidence is mixed: reported lead time is within 15 working days in both peak and off-season, but no in-stock, overseas warehouse, overseas branch/agent, or overseas showroom capability is reported. Financial period information is present for three years, but no financial performance details are provided. Audit information identifies TÜV Rheinland, although the audit result is recorded as 0 and the report validity ended on 2025-02-23. Raw-material traceability, quality assurance...

Supplier typeThe supplier is identified as both a trading company and manufacturer/factory, with limited-company ownership and a business scope covering molds, bicycle accessories, forged and stamped parts, auto and motorcycle parts, and hardware products. Its stated product scope is fasteners, hardware, and tools, indicating a supplier with both manufacturing and trading characteristics.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaints. It accepts multiple service quotation and payment terms, but has no overseas agents or branches, no overseas showroom, no overseas warehouse, and reports service coverage in 0 countries, limiting evidence of international after-sales reach.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and offers multiple design-development options. It does not have an available SDK, but the evidence supports product and design innovation capability for physical products.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly supporting a broad customization capability.

Client casesThe supplier reports providing OEM services for well-known brands, which is direct evidence of at least one type of customer engagement. However, no customer names, project details, volumes, or independently verifiable case records are provided, so the breadth and strength of its customer case history cannot be fully assessed.

Product Q&A

Q:Are you a Trading company or a Manufacturer?

We are an Industry&Trade Company .

Q:What's your product range?

Our product range includes screws, nuts, knobs, bolts, washers, rivet, anchor and CNC parts. We strictly implement various quality standards like GB, ISO, DIN, JIS, AISI NFE and BSW.Non-standard products also accepted.

Q:Why should I choose you? What's your advantages? Industries you are serving?

We are a professional manufacturer and have 9 years production and management experience in the field of fasteners . We can provide our customers with a good solution in the area of production design, production process,packaging and after-sale service.Customer satisfaction is our sole pursuit.

Q:Which industry field are your product is suitable used in ?

Our products are widely use in machine assembling, electronics, constructional engineering furniture cabinets, etc.