What are your accepted payment methods?

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

How are the products packaged?

Standard packaging is 20-25 kg per carton with 36 or 48 cartons per pallet. We can also print customer logos on cartons.

Do you accept custom designs for products or boxes?

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

How can I verify your company legitimacy?

We are verified suppliers on 'Made-in-China' and undergo a rigorous certification process to ensure legitimacy.

Can I visit your factory?

Yes, factory visits are welcome at any time. Please contact us beforehand to arrange airport or train station transportation.

Color Painted Hex Washer Self Drilling Screws Coarse Thread Zinc Plated

Name: Color Painted Hex Washer Self Drilling Screws Coarse Thread Zinc Plated
Brand: Bolnut Fastener Co., Ltd
SKU: 2211590035

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

Hexagon Head

Model NO.

DIN7504K

Groove

Hexagon

Connection

Common Bolt

Head Style

Countersunk Head

Standard

DIN, GB, ANSI, BSW, JIS

Grade

A2-70

MOQ

10000pieces

Thread

Metric

Name

Self Drilling 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

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

Multiple Finishing Choices: Zinc plating (Yellow, White, Blue, Black), HDG, Black Oxide, Geomet, Dacroment, and Nickel plated.

Customized Fastener Services: Tailored fasteners crafted from customer samples and drawings to meet exact specifications.

Free Sample Availability: Free samples provided for standard fasteners with express charges covered for existing customers.

Flexible Production Capacity: Cold forging for M2-M24, hot forging for M24-M100, and CNC machining for custom parts.

Global Standard Compliance: Meets DIN, ASTM/ANSI, JIS, EN ISO, AS, and GB standards for diverse international markets.

Competitive Pricing Strategy: Cost-effective solutions delivered through efficient factory production without compromising quality.

Comprehensive Quality Assurance: Stringent durability tests and specialized technical designs ensure long-lasting performance.

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: ≤0.83h

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.