Do you offer OEM and ODM services?

Yes, we provide OEM and ODM services, allowing customization from both samples and designs.

What is the minimum order quantity?

The minimum order quantity is 10,000 pieces.

What is the lead time for production?

During peak season, the lead time is one month; during off-season, it is within 15 workdays.

ISO4033 GB1231 High Strength Large Hexgon Nuts for Steel Structures

Name: ISO4033 GB1231 High Strength Large Hexgon Nuts for Steel Structures
Brand: Ningbo Yongbiao Fastener Co., Ltd
SKU: 2242769925

Zhejiang, ChinaNingbo Yongbiao Fastener Co., Ltd

US$0.02

10,000-49,999 Pieces

US$0.018

50,000-99,999 Pieces

US$0.016

100,000+ Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB

Grade

Class4-Class10

in Stock

Some Are in Stock

Surface Treatment

Black or Zinc

Measure

Specialized Stop and Go Gauge Testing

Thread

Standard

Transport Package

Cartonbox

Specification

M3-M52

Trademark

Origin

Zhejiang

Key features

Wide Size Range: Available in sizes from M3 to M52, including non-preferred M45.

High Strength Grades: Offers Class 4 to Class 8 strength levels for diverse load requirements.

Corrosion Protection: Galvanized zinc-plated surface treatment for outdoor and humid environments.

Compact Design: Thin profile design with lower height compared to standard nuts.

Multiple Standards: Complies with GB/T 6172.1-2016, DIN, ANSI, EN, and UNI standards.

Customizable Packaging: Customized packaging configurations and shipping marks available upon request.

OEM/ODM Services: Full customization from samples and designs with professional engineering support.

Strict Quality Control: Features random visual and function inspections with traceable raw materials.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceProduction Process Visualization

Ningbo Yongbiao Fastener Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.00h

AI-Powered supplier vetting

SummaryThe supplier is described as a medium-sized fastener manufacturer integrating R&D, production, and sales, with more than 50 employees, over 50 production machines, more than 10 testing machines, and four production lines. It provides OEM services for well-known brands and supports customization from samples and designs. Quality and service-management procedures are documented and followed, including finished-product inspection, supplier assessment, corrective and preventive action, and complaint handling. However, no SDK is available, and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported. Overseas service coverage is recorded as zero countries, while export-trade experience is represented by three experienced staff. Production quantity reconciliation is not continuously performed for every batch or production run. Financial records are identified for 2021–2023, but the provided information does not establish financial strength.

Supplier typeThe supplier operates as a fastener manufacturing enterprise integrating R&D, production, and sales. Its stated business scope also includes wholesale, motorcycle and bicycle parts, wire and cable management, instruments, pumps, household-appliance parts, and metal materials, while its primary market is listed as domestic.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaints. However, it reports no overseas warehouse, showroom, agent, branch, or offline trade-show capability, and overseas service coverage is recorded as zero countries, limiting evidence of strong international after-sales support.

Production capacityThe supplier reports four production lines, more than 50 production machines, more than 10 testing machines, over 50 employees, and screw output of 4,000 tons. Finished-product inspection instructions are uniformly followed, but continuous quantity reconciliation for each batch or production run is not performed.

Customization capabilityThe supplier explicitly supports customization from samples and designs and provides OEM services for well-known brands. These capabilities directly support customer-specific product development and manufacturing.