Can I get free samples?

Free samples are available for new customers, though express shipping charges apply.

What quality standards do you follow?

We follow strict quality control standards including ISO9001 certification.

What is the standard for your hex nuts?

Our hex nuts follow ASTM standards and are available in grades 4, 6, 8, 10, and 12.

Industrial Grade Metric System Nuts Supplier

Name: Industrial Grade Metric System Nuts Supplier
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2114881275

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

10,000 Pieces

Product profile

Customization

Available

Material

Steel

Type

Hexagon Head

Model NO.

A194

Head Style

Hexagonal

Standard

ASTM

Grade

4 6 8 10 12

System of Measurement

Metric

Product Name

Hex Nut

Measurement System

Metric

Finish

Zinc/Black Plated/HDG

Application

General Industry

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

OEM/ODM Services: Full customization available from samples, designs, or minor adjustments.

ISO9001 Quality Control: Strict quality management system ensuring high-standard fasteners.

Lifetime Warranty: Comprehensive warranty coverage for all 100% qualified products.

Fast Delivery: Quick delivery times for in-stock items with one-month lead time.

Flexible Payment: Accepts T/T, L/C, D/P, PayPal, and Western Union for convenience.

Small Order Acceptance: Flexible options available to accept small quantity orders.

Free Samples: Free samples provided for new customers (express charges apply).

Metric System Standard: High-quality hex nuts available in metric system with ASTM standards.

Company profile

High Repeat Buyers Choice

Ningbo Steel Bolt 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, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier and operates as a combined company involved in producing and selling fasteners, hardware products, auto parts, and oil pipeline fittings. It supports extensive product customization, including samples, designs, full customization, minor customization, and flexible customization. The supplier reports two production lines and one presence in a main export market, with an average lead time of one month in both peak and off-season periods. However, it lacks 3D software design services, SDK availability, in-stock capacity, overseas warehouses, overseas agents or branches, and offline trade-show participation. Finished products are checked by packing staff, while no written procedures or records are used for assessing service capability. The provided information does not establish certifications, financial strength, after-sales performance, or customer case history.

Supplier typeThe supplier is explicitly identified as a professional technical supplier. It is a combined company whose stated business scope includes production and sales of fasteners, hardware products, auto parts, and oil pipeline fittings, as well as related import and export activities.

R&D capabilityThe supplier is identified as having professional technical research and development capability, and it offers multiple forms of customization. However, it explicitly does not provide 3D software design services and has no available SDK, so the evidence supports technical customization but not broader digital or software innovation capability.

Production capacityThe supplier reports two production lines, one-month average lead times in both peak and off-season, and six years of exporting experience. Countervailing controls are limited: finished products are checked by packing staff, there is no continuous quantity reconciliation for each batch or production run, no outsourcing SOP, no valid manufacturing-capacity contract with related subcontractors, and no in-stock capacity.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad product-design and modification capability, although 3D software design services are not available.