Can I visit your factory?

Yes, factory visits are welcome. Please contact us in advance to arrange transportation from the airport or train station.

What materials are available?

We offer Stainless Steel (SS201, 303, 304, 316, 316L, 904L, F593) and Carbon Steel in various grades like 4.8, 8.8, 10.9, and 12.9.

Are you a verified supplier?

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

Stainless Steel Strut Spring Nuts, Electro Galvanized Metal Spring Nuts, Strut Channel Nuts

Name: Stainless Steel Strut Spring Nuts, Electro Galvanized Metal Spring Nuts, Strut Channel Nuts
Brand: Bolnut Fastener Co., Ltd
SKU: 2237500635

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/Carbon Steel

Type

Square Head

Model NO.

Spring Nuts

Connection

Common Bolt

Head Style

Square

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

A2-70/A2-80/8.8/10.9/12.9

Finish

Plain, Zinc Plated, HDG

MOQ

10000pieces

Name

Spring Nuts

Certificate

ISO9001

Transport Package

20-25kg/Carton+900kg Pallet

Specification

M6-M12 (1/4-20 3/8)

Trademark

BNT

Origin

China

HS Code

731815

Production Capacity

1000ton/Month

Key features

Wide Material Range: Available in Stainless Steel (304/316) and Carbon Steel with various grades.

Custom Logo & Design: Accepts custom logos, designs, and packaging according to client specifications.

Free Samples: Free samples provided for standard fasteners under 1kg weight.

Flexible Lead Time: 10-15 days in slack season, 15-30 days in busy season for custom orders.

Multiple Finishes: Options include Zinc Plated, HDG, Black Oxide, Anodization, and more.

Strict Quality Control: Stringent durability testing and adherence to DIN, ASTM, JIS standards.

Professional Manufacturer: Over 10 years experience with cold/hot forging and CNC machining capabilities.

Secure Payment Terms: Supports 30% T/T deposit, L/C, D/P, and other secure payment methods.

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: ≤0.81h

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.

Product Q&A

Q:Can I get free samples?

Yes, free samples are available for standard fasteners under 1kg. Existing customers also receive free samples with covered express charges.

Q:What is the delivery time?

Stock items deliver in 2-5 days. Custom orders take 10-15 days in slack season and 15-30 days in busy season. Expedited production is available for large orders.

Q:Do you accept custom designs or logos?

Yes, we accept customized designs for products and packaging. You can provide samples or drawings for bespoke fastener creation.

Q:What are the payment terms?

Standard terms are 30% T/T deposit and 70% before shipping. We also accept L/C, D/P, PayPal, and Western Union.

Q:How are the products packaged?

Standard packaging is 20-25 kg per carton, 36-48 cartons per pallet. Custom packaging with customer logos is also available.