What certifications do your products have?

Our processes are ISO 9001 certified, and we offer Industrial Grade precision with Salt Spray Test performance up to 2000 hours.

What are the available grades for the bolts?

We provide grades including Gr4.6, 4.8, 6.8, 8.8, 10.9, 12.9, and stainless steel grades A2-70, A4-70, A2-80, A4-80.

High Strength Stainless Steel Large Flat Round Head Bolt Full Thread

Name: High Strength Stainless Steel Large Flat Round Head Bolt Full Thread
Brand: NINGBO YINZHOU GONUO HARDWARE CO., LTD.
SKU: 2271715755

Zhejiang, ChinaNINGBO YINZHOU GONUO HARDWARE CO., LTD.

US$1.00

1,000-4,999 Pieces

US$0.80

5,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

Flat Round Head Bolt

Connection

Common Bolt

Head Style

Hexagonal

Standard

Customized

Grade

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

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Polishing

Thread Type

External Thread

Anticorrosive Performance

Salt Spray Test Reach 1000-2000 Hours.

Precision Grade

Industrial Grade

Certificate

ISO9001:2008

Transport Package

Carton, Pallet

Specification

M5x10mm-M100x3000mm, 1/4X1"-4"X100"

Trademark

GONUO

Origin

China

HS Code

7318159090

Production Capacity

100ton/Month

Key features

Customized Standards: Offers both standard and customized bolt specifications to meet unique project needs.

Superior Corrosion Resistance: Stainless steel fasteners provide excellent resistance for marine and chemical environments.

High-Strength Options: Available in property classes 10.9 and 12.9 for critical structural and extreme load applications.

ISO 9001 Certification: Certified processes ensure consistent high quality for every batch produced.

Direct Factory Access: Eliminate middleman costs with direct engineering support for design optimization.

Wide Size Range: Sizes available from M5x10mm up to M100x3000mm to fit diverse requirements.

Salt Spray Test Performance: Anticorrosive performance reaches 1000-2000 hours in salt spray testing.

Company profile

Importers and ExportersYears of Export ExperienceExperienced TeamExhibition Experience

NINGBO YINZHOU GONUO HARDWARE CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2011-10-08Nearest Port: Ningbo ShanghaiAverage Response Time: ≤0.09hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DDP

AI-Powered supplier vetting

SummaryNingbo Yinzhou Gonuo Hardware Co., Ltd. is a specialized manufacturer established in 2013, focusing on high-quality nuts for various industrial applications. The company demonstrates a strong customization capability, backed by an experienced R&D team. While their financial capacity seems stable, they lack ODM services and in-stock capabilities. Their service procedures are well-documented, though they have a single quality control inspector. They hold ISO9001:2015 certification but have not conducted regular fire drills in the past year.

Supplier typeThe supplier is a specialized manufacturer of high-quality nuts, focusing on industrial equipment and components.

CertificationsThe supplier holds an ISO9001:2015 certificate, indicating a commitment to quality management standards.

After-Sales capabilityThe supplier has written procedures and records for handling customer complaints and corrective actions.

R&D capabilityThe supplier has introduced new products in the past year and has a significant number of R&D engineers, but lacks an available SDK.

Customization capabilityThe supplier offers full customization services, from samples to designs, with a strong focus on non-standard nuts.