What is the standard packaging method?

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

Is your company a verified manufacturer?

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

Can I visit your factory?

Of course. Please contact us in advance to arrange transportation from the airport or train station upon your arrival.

Stainless Steel 304 J Roofing Hook Bolt with Hex Nut Rubber Washer

Name: Stainless Steel 304 J Roofing Hook Bolt with Hex Nut Rubber Washer
Brand: Bolnut Fastener Co., Ltd
SKU: 2210077765

Jiangsu, ChinaBolnut Fastener Co., Ltd

US$0.10

1 Piece

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Steel /Stainless Steel

Type

J Type

Model NO.

J-Bolt

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW

Grade

4.8/ 5.8 /6.8 /8.8 /10.9/12.9/SS304/SS316

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Zinc, Plain, Black

MOQ

1000pieces

Thread

Metric

Name

J-Bolt

Sample

Avaliable

Transport Package

20-25kg/Carton+900kg Pallet

Specification

M4-M30

Trademark

BNT

Origin

China

HS Code

731815

Production Capacity

1000ton/Month

Key features

Premium Material Options: Available in SS201, SS304, SS316, and various steel grades like 4.8, 8.8, 10.9, and 12.9.

Extensive Finish Choices: Options include Zinc (Yellow/White/Blue/Black), HDG, Black Oxide, Geomet, and Nickel plating.

Custom Logo & Design: We accept custom logos, designs on products, and customized packaging according to your requirements.

Free Sample Policy: Free samples available for standard fasteners under 1kg; existing customers also get free express charges.

Flexible Production Process: Cold forging for M2-M24 and hot forging for M24-M100, plus CNC machining for customized fasteners.

Fast Delivery for Stock Items: In-stock items can be delivered within 2-5 days; bulk orders take 18-25 days with priority options.

Professional Manufacturer: Verified supplier with over a decade of experience, ensuring precision and reliability in every fastener.

Secure Payment Terms: Standard 30% T/T deposit with 70% before shipping; also accepts L/C, D/P, PayPal, and Western Union.

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: ≤0.69h

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.