What grades of steel are available?

Our fasteners are available in Grade 2, 5, and 8 to suit various industrial applications.

Do you provide quality certificates?

Yes, Mill certificates and MTC are provided upon completion for every production link.

What is the standard packaging for these bolts?

Standard packaging includes 20-25kg cartons on pallets, with customized packaging available upon request.

Premium Black Oxide Fasteners Assortment

Name: Premium Black Oxide Fasteners Assortment
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2116473895

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Type

Hexagon Head

Model NO.

SAE J429

Connection

Common Bolt

Head Style

Hexagonal

Standard

ASTM

Grade

Grade 2, 5, 8

Application

Machinery, Chemical Industry, Environmental, Building, Industry

Finish

Plain

Packing

Cartons+Plastic Bags

Head Type

Hexagon Head

Surface Treatment

Black Oxide

Transport Package

Carton+Pallet

Specification

M6-M100

Trademark

ningbo-bolt

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

Lifetime Warranty Support: Covers mechanical defects with free parts and labor for the machine's entire life.

ISO9001 Certified Quality: Strict quality control from raw materials to finished products ensuring 100% qualified items.

Black Oxide Finish: Provides durable surface treatment for steel fasteners with plain finish.

OEM and ODM Services: Full customization available from samples, designs, and flexible minor adjustments.

Fast Delivery for Stock: Stocked items delivered within 15 days; larger quantities take 25-35 days.

Free Samples for New Clients: New customers receive free standard fastener samples with client covering express charges.

Multiple Grade Options: Available in Grade 2, 5, and 8 to meet diverse industrial requirements.

Mill Certificates Provided: MTC documents supplied upon completion to verify material quality and traceability.

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: >24h

AI-Powered supplier vetting

SummaryThe supplier, Ningbo Bolt, is a combined company involved in production and sales of fasteners, hardware, auto parts, and oil pipeline fittings. It lacks certain capabilities such as providing 3D software design services, SDK availability, and overseas warehousing or showroom services. The company emphasizes timely delivery and competitive pricing but does not have a valid contract for manufacturing capacity. Customization is a strong point, offering various levels of customization tailored to client samples and designs. Financial data is collected over the last three years, but specific certifications were not detailed.

Supplier typeThe company is categorized as a 'Combined' type, focusing on production and sales within various industries like fasteners and auto parts.

After-Sales capabilityThe supplier is confident in offering perfect after-sales service as part of its business model.

R&D capabilityDespite being a professional technique supplier with R&D capabilities, there is no SDK availability, which limits innovation potential.

Customization capabilityThe supplier offers extensive customization services from sample-based to full customization, showcasing strong adaptability to client needs.