How are the products packaged?

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

Is your company a verified manufacturer?

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

Can I visit your factory?

Of course. We welcome factory visits. Please contact us in advance to arrange transportation from the airport or train station.

Durable DIN571 Tapping Screws in 304 & 316 Stainless Steel

Name: Durable DIN571 Tapping Screws in 304 & 316 Stainless Steel
Brand: Bolnut Fastener Co., Ltd
SKU: 2216808865

Jiangsu, ChinaBolnut Fastener Co., Ltd

US$0.10

1,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel /Stainless Steel

Type

Hexagon Head

Model NO.

DIN571

Groove

Hexagon

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS

Grade

A2-70

MOQ

10000pieces

Thread

Metric

Name

Self-Tapping Wood Screws

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

Premium Stainless Steel Options: Available in SS304, SS316, SS316L, and other high-grade stainless steels for superior durability.

Comprehensive Customization: Customize thread, logo, design, and packaging based on your specific samples and drawings.

Flexible Delivery Times: Stock items ship in 2-5 days; custom orders take 10-30 days depending on season and volume.

Free Sample Availability: Free samples provided for standard fasteners and existing customers, with weight under 1kg.

Rigorous Quality Assurance: Strict durability tests and technical evaluations ensure high reliability and extended lifespan.

Wide Material Range: Options include Carbon Steel, Stainless Steel, and various grades from DIN, ASTM, and SAE standards.

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

Secure Payment Terms: Accept T/T, L/C, D/P, PayPal, and Western Union for flexible and secure transactions.

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: ≤0.87h

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:How can I get the product catalog?

Please provide your email address, and we will send the catalog within two working hours.

Q:Are free samples available?

Yes, free samples are available for standard fasteners. We ship weights under 1kg for free, and existing customers also receive free express charges.

Q:Can you customize the product logo or design?

Yes, we accept custom logos, designs on products, and customized packaging based on your specific requirements.

Q:What is the delivery time for orders?

Stock items deliver in 2-5 days. Custom orders take 10-30 days depending on the season and quantity. Expedited production is available for large orders.

Q:What are your payment methods?

We accept 30% T/T deposit with 70% before shipping, as well as L/C, D/P, PayPal, and Western Union.