What surface treatments are available?

Options include Plain (Black oxide), Zinc Plated (White/Yellow), and Hot-Dip Galvanized (H.D.G).

What is the lead time for standard sizes?

Standard sizes in stock have a lead time of 15-30 working days.

Do you provide quality test reports?

Yes, we provide detailed order-specific test reports on tensile strength, torque, and salt spray test results for rust resistance and zinc plating thickness.

ISO7380 Black Oxide Alloy Steel Hex Socket Button Screw for Machine

Name: ISO7380 Black Oxide Alloy Steel Hex Socket Button Screw for Machine
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 1989552475

Guangdong, ChinaDongguan VG Fasteners Co., Ltd.

US$1.00-10.00

1,000 Pieces

Sample price:US$0.03/piece.Request sample

Product profile

Customization

Available

Material

Alloy Steel

Type

Screw

Model NO.

VG-301

Groove

Hexagon

Connection

Common Bolt

Standard

DIN, GB, ANSI, BSW, JIS, ISO

Grade

10.9

Transport Package

Neutral Packing

Specification

M3-M30

Trademark

Origin

China

HS Code

731815

Production Capacity

10 Million/Month

Key features

14 Years Industry Experience: Over 14 years of expertise in the fastener industry ensuring professional service.

ISO 9001 Certified Quality: Strict in-house QC with detailed order-specific test reports for tensile strength and torque.

High Monthly Capacity: Production capacity of over 1000 tons for socket screws monthly.

Custom OEM/ODM Service: Supports customized specifications, marks, and logo printing per customer requirements.

Wide Material Options: Available in Alloy Steel (8.8, 10.9, 12.9) and Stainless Steel (SS304, SS316).

Multiple Surface Treatments: Options include Black Oxide, Zinc Plated (White/Yellow), and Hot-Dip Galvanized.

Free Sample Service: Free samples provided within 7 days upon price confirmation.

Versatile Application: Suitable for construction, oil & gas, wind energy, automotive, and mechanical machinery.

Company profile

High Repeat Buyers ChoiceExhibition Experience

Dongguan VG Fasteners Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤1.77h

AI-Powered supplier vetting

SummaryDongguan VG Fasteners Co., Ltd. is identified as both a trading company and manufacturer/factory in China, offering anchors, screws, nuts, thread rods, and related fasteners. It reports ISO 9001 and ISO 14000 management-system certifications, professional R&D capability, 3D software design, and multiple customization modes. Stated production capacity includes 12,000 tons of socket screw items and 6,000 tons of anchor bolts annually. The supplier has self-operated import/export rights and reports that 90% of total sales come from exports. However, SDK availability is explicitly absent, while after-sales capability, customer cases, raw-material traceability, and several sustainability controls are not evidenced. Financial information is represented only by years rather than performance metrics, so financial credibility cannot be assessed from the provided data. The SGS audit record is dated April 24, 2024 to April 23, 2025, with an evaluation result of 0; the meaning of that result is not defined in the...

Supplier typeThe supplier is described as a Limited Company and as both a Trading Company and Manufacturer/Factory. Its stated scope covers fastener sales, hardware, metal products, mechanical parts, tools, plastics, molds, and related goods, indicating a combined trading and manufacturing business model.

CertificationsThe supplier reports holding ISO 9001 and ISO 14000 management-system certifications. These certifications provide explicit evidence of formal quality and environmental management systems, although no certificate numbers, issuing bodies, or validity dates are provided.

R&D capabilityThe supplier is explicitly identified as a professional technical supplier, reports 3D software design services, and has 6–10 years of total R&D engineer experience. However, it reports no available SDK, limiting evidence of software-development integration capability.

Production capacityThe supplier reports annual productivity of 12,000 tons for socket screw items and 6,000 tons for anchor bolts, and also identifies itself as a manufacturer/factory. These stated capacities support a positive assessment of production capability, although broader capacity utilization and facility details are not provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization coverage for its offered products.

Product Q&A

Q:How can I get a quotation?

Kindly provide your detailed request including item number, style, logo, size, material, surface treatment, and quantity. The more detailed, the better. Leave us an inquiry or email, and we will respond promptly!

Q:How to get a free sample?

We recommend working with T/T, PayPal, or Western Union. These payment methods are all available for sample requests.

Q:What is the order process?

Send us an inquiry, get a quotation, make payment, open mold and make samples, deliver samples or send pictures for approval, and then proceed to mass production.

Q:When can I expect the customized product to be finished?

Samples take 7-10 working days (Standard). Bulk orders take 15-30 working days (Standard).

Q:What materials are available for this screw?

We offer Stainless Steel (SS304, SS316) and Alloy Steel (Grade 8.8, 10.9, 12.9).