What are the payment terms?

We accept T/T, L/C, and Western Union.

Can you provide custom packaging?

Yes, we offer standard cartons or custom packaging according to customer demands, including plastic bags, boxes, and pallets.

What is your minimum order quantity (MOQ)?

Specific MOQ details are not listed in the provided description; please contact our sales department for precise information.

Square Bolt with Black Oxid

Name: Square Bolt with Black Oxid
Brand: Ningbo Strong Bolt Trade Co., Ltd.
SKU: 816655355

Zhejiang, ChinaNingbo Strong Bolt Trade Co., Ltd.

US$0.10

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Square Head

Model NO.

DIN/ASME/GB

Connection

Common Bolt

Head Style

Square

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8&5.8&6.8&8.8&10.9&12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Yzp&Blk&Zinc Plated&HDG

Process

Cold Forging,Hot Forging,Machining

Transport Package

Small Box & Bulk & Customizing

Specification

M3-M60

Trademark

STRONG BOLT

Origin

Ningbo, China

HS Code

7318150000

Production Capacity

2500tons/Year

Key features

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

Multiple Surface Treatments: Options include Zinc Plated, Galvanized, Nickel Plated, HDG, Anodized, and Powder Coating.

High Strength Grades: Available in grades 4.8, 5.8, 6.8, 8.8, 10.9, and 12.9 for various load requirements.

Standard Compliance: Manufactured to DIN, ANSI, GB, JIS, BSW, and GOST standards.

Versatile Applications: Suitable for machinery, chemical industry, environmental projects, and building construction.

Flexible Processing: Capabilities include cold forging, hot forging, machining, and various CNC operations.

Custom Packaging: Standard or custom packaging according to customer demand, including pallets and film.

Global Export Experience: Over 10 years of experience exporting to North America, Europe, Asia, and other regions.

Company profile

Self-brandedYears of Export ExperienceR&D CapabilitiesCustomization from Designs

Ningbo Strong Bolt Trade Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service AvailableAverage Response Time: ≤2.76h

AI-Powered supplier vetting

SummaryNingbo Strong Bolt Trade Co., Ltd. is a China-based trading company established in 2014 with 16 employees. It reports strong customization and ODM capabilities, new product activity within the past year, and extensive export activity, with 90% of sales from exports and 10 years of export experience. Its stated product output covers several fastener categories, while quality control staffing is reported at 11–20 personnel. However, service-management procedures lack documented records, and the company reports no overseas warehouses, showrooms, agents or branches, or offline trade-show participation. Financial information is identified for 2021–2023, but the provided slices do not give sufficient evidence to assess financial strength. No certification information, customer cases, or SDK availability is provided.

Supplier typeThe supplier is identified as a trading company, specifically Ningbo Strong Bolt Trade Co., Ltd., established in 2014 in Ningbo, Zhejiang, China, with 16 employees and limited-company status. This clearly establishes its business type but does not indicate that it operates as a manufacturing entity.

After-Sales capabilityThe supplier has written procedures for service assessment, supplier approval, corrective and preventive actions, and complaint handling, but no written records are reported for these processes. It also lacks overseas warehouses, showrooms, agents or branches, and reports zero countries with overseas services, limiting evidence of established international after-sales infrastructure.

R&D capabilityThe supplier reports that it introduced new products during the past year and provides ODM services. However, it reports no available SDK, so its innovation evidence supports product development and design services but not software-development integration.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability, providing direct evidence of broad customization and design-related service capability.

Product Q&A

Q:What materials are available for the square bolts?

We offer Carbon Steel, Stainless Steel, Duplex Stainless Steel, Brass, Copper, Plastic, and Aluminum.

Q:What surface treatments can be applied?

Options include Zinc Plated, Galvanized, Nickel Plated, HDG, Copper Plated, Anodized, Polishing, Powder Coating, Geomet, Dacromet, Passivation, and Electrophoresis.

Q:What are the available strength grades?

We provide grades 4.8, 5.8, 6.8, 8.8, 10.9, and 12.9 to meet different mechanical requirements.

Q:Which standards do your bolts comply with?

Our products comply with DIN, ANSI, GB, JIS, BSW, and GOST standards.

Q:What is the typical lead time for orders?

Peak season lead time is one month, while off-season lead time is within 15 workdays.