What are your payment methods?

We accept 30% T/T deposit with 70% before shipping, as well as L/C and D/P. Detailed terms can be discussed via email.

How are the products packaged?

Standard packaging is 20-25 kg per carton, 36 or 48 cartons per pallet (approx. 900-960 kg). Custom packaging and logo printing are available.

Do you accept custom designs on products or boxes?

Yes, we accept customized designs for both products and packaging with a professional design team.

Can I trust your company?

Yes, we are verified suppliers on Made-in-China and undergo a rigorous certification process to ensure legitimacy.

May I visit your factory?

Of course. We welcome factory visits at any time. Please contact us beforehand to arrange airport or train station transportation.

10.9 Carbon Steel

Name: Customizable U-Bolts in Various Sizes - Grade 4.8/8.8/10.9 Carbon Steel
Brand: Bolnut Fastener Co., Ltd
SKU: 2200950395

Jiangsu, ChinaBolnut Fastener Co., Ltd

US$0.10

1 Piece

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

U Type

Model NO.

U bolt

Connection

Common Bolt

Head Style

Hex/Round/U/T Bolts

Standard

DIN, ANSI, GB, JIS, BSW

Grade

A2-70

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Zinc, Plain, Black

MOQ

10000pieces

Thread

Metric

Name

U Bolts

Ceteficate

ISO9001

Transport Package

20-25kg/Carton+900kg Pallet

Specification

M4-M100

Trademark

BNT

Origin

China

HS Code

731815

Production Capacity

1000ton/Month

Key features

Multiple Material Options: Available in SS201, SS303, SS304, SS316, SS316L, SS904L, F593, and various carbon steel grades.

Comprehensive Finishing: Offers Zinc, Yellow/White/Blue/Black, HDG, Black Oxide, Geomet, Dacroment, Anodization, and Nickel plating.

Customized Production: Cold forging for M2-M24, hot forging for M24-M100, and CNC machining for custom fasteners.

Free Sample Availability: Free samples provided for standard fasteners with weight under 1kg; express charges covered for existing customers.

Flexible Delivery Time: Stock delivery in 2-5 days; 1-2 containers in 18-25 days; expedited production available for larger orders.

Custom Logo and Design: Accepts custom logos on products and packaging with professional design team support.

Wide Range of Standards: Complies with DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB, and BSW standards.

Verified Manufacturer: Verified supplier on Made-in-China with rigorous certification and factory visit availability.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceFast Delivery

Bolnut Fastener Co., Ltd

Jiangsu, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 YearsNearest Port: SHANGHAI , NINGBO ,ZHAPU , SHENZHEN, TIANJINGAverage Response Time: ≤0.80h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Zhangjiagang, Suzhou, with business scopes covering labor protection products, apparel, textiles, communication equipment, electronics, and certain medical protective products. It is described as a professional technical supplier and offers multiple customization modes, ODM services, and OEM services for popular brands. However, it has only one R&D engineer, launched no new products in the past year, and does not provide 3D software or SDK services. Service procedures and complaint-handling procedures exist, but supplier approval records are incomplete. Financial information is represented only by reporting years, without performance values. No overseas warehouse, showroom, overseas branch or offline trade-show participation is reported.

Supplier typeThe supplier is explicitly classified as a trade company, while its stated scope includes labor protection products, apparel, textiles, medical protective equipment, communication equipment, and electronic products. It is also identified as a professional technical supplier, indicating a trading-oriented business with technical and customization support rather than confirmed manufacturing status.

After-Sales capabilityThe supplier has a clear complaint-handling procedure with followed records, and it has a corrective and preventive action mechanism with implementation records. However, its general service-assessment procedure has no records, and its approved-supplier list lacks approval signatures or dates, indicating documented but incompletely controlled service processes.

R&D capabilityThe supplier is identified as a professional technical supplier and offers ODM services, but it has only one R&D engineer, launched no new products in the past year, and lacks both 3D software design and SDK capabilities. This shows some technical development and design support, but limited demonstrated innovation output and digital R&D capability.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly evidencing broad customization and design-manufacturing support.

Client casesA repeat-buyer preference of 50%–80% is reported, and the supplier states that it provides OEM services for popular brands. These are positive customer-related indicators, but no named customers, specific projects, order examples, or independently verifiable case details are provided.