What are your payment terms?

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

How are the products packaged?

Standard packaging is 20-25 kg per carton, 36-48 cartons per pallet (900-960 kg). We can print logos or customize packaging.

Do you accept custom designs for boxes?

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

Are you a verified and legitimate 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. We welcome factory visits anytime. Please contact us before arrival to arrange airport or train station transportation.

Copper Machine Screws, ISO7380 Hex Socket Button Head Machine Screws

Name: Copper Machine Screws, ISO7380 Hex Socket Button Head Machine Screws
Brand: Bolnut Fastener Co., Ltd
SKU: 2233287575

Jiangsu, ChinaBolnut Fastener Co., Ltd

US$0.10

1 Piece

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Brass

Type

Countersunk Head

Model NO.

ISO7380

Groove

Hexagon

Connection

Common Bolt

Head Style

Round

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

8.8

Finish

Plain

MOQ

10000pieces

Name

Hex Socket Truss Head Machine Screw

Certificate

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 Stainless Steel (SS201-316L, 904L, F593) and various Steel Grades (4.6-12.9, 2-8, 307A-449).

Diverse Finishing Choices: Offers Zinc (Yellow/White/Blue/Black), HDG, Black Oxide, Geomet, Dacroment, Anodization, and Nickel plating.

Comprehensive Customization: Full customization from samples and designs, including logos, packaging, and specific fastener specifications.

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

Competitive Lead Times: Stock delivery in 2-5 days; 15-30 days in busy season, 10-15 days in slack season for custom orders.

Free Sample Availability: Free samples for standard fasteners and existing customers; express charges covered for orders under 1kg.

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

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

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: ≤0.78h

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.