What are the payment terms?

We accept FOB, CIF, CFR, L/C, T/T, PayPal, and Western Union.

What is the lead time for standard sizes?

Standard sizes are in stock. Production time is 15-30 working days after order confirmation.

Heavy Duty M3-M30 Black Oxide Alloy Steel ISO 7380 Hex Socket Button Cap Screw

Name: Heavy Duty M3-M30 Black Oxide Alloy Steel ISO 7380 Hex Socket Button Cap Screw
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 2012817145

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.

ISO7380

Groove

Hexagon

Connection

Common Bolt

Standard

DIN, GB, ANSI, BSW, JIS, ISO

Grade

12.9

Transport Package

Neutral Packing

Specification

M3-M30

Trademark

Origin

China

HS Code

731815

Production Capacity

10 Million/Month

Key features

OEM/ODM Customization: Supports OEM/ODM services with customized specifications, sizes, and surface treatments.

High-Grade Materials: Available in Alloy Steel (8.8, 10.9, 12.9) and Stainless Steel (SS304, SS316).

Strict Quality Control: ISO 9001 certified with in-house QC, tensile/torque tests, and salt spray testing.

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

Fast Sample Delivery: Free samples provided within 7-10 working days upon price confirmation.

Large Monthly Capacity: Production capacity exceeds 500 tons for anchor bolts and 1000 tons for socket screws.

Flexible Payment Terms: Accepts FOB, CIF, CFR, L/C, T/T, PayPal, and Western Union.

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

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: ≤1.50h

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, which are all available methods for sample arrangements.

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

Sample: 7-10 working days (Standard). Bulk order: 15-30 working days (Standard).

Q:What materials and grades are available?

Materials include Stainless Steel (SS304, SS316) and Alloy Steel. Grades available are 8.8, 10.9, and 12.9.

Q:What surface treatments are offered?

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