What is the lead time for standard sizes?

Standard sizes in stock take 15-30 working days for production.

Do you provide quality test reports?

Yes, we provide detailed order-specific test reports on tensile strength, torque, and salt spray tests.

M3-M30 Black Oxide DIN 912 Socket Cap Screw for Machine Hexagon Hardware Hex Fasteners Allen Bolt Screw

Name: M3-M30 Black Oxide DIN 912 Socket Cap Screw for Machine Hexagon Hardware Hex Fasteners Allen Bolt Screw
Brand: Dongguan VG Fasteners Co., Ltd.
SKU: 1946026265

Guangdong, ChinaDongguan VG Fasteners Co., Ltd.

US$1.00-10.00

1,000 Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Hexagon Head

Model NO.

VG-037

Groove

Hexagon

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

12.9

Transport Package

1. Small Boxes Into Outer Carton 2. Bulk Packaging

Specification

M3-M30

Trademark

Vigor

Origin

China

HS Code

731815

Production Capacity

1000 Tons Per Month

Key features

Customizable Specifications: Special specifications and marks can be made according to customers requirements.

OEM/ODM Service: OEM service available for customized fastener products.

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

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

Strict Quality Control: ISO 9001 certified with detailed order-specific test reports for tensile strength and torque.

High Monthly Capacity: Monthly production capacity of 1000 tons for Socket screws.

Free Sample Service: Free samples available within seven days upon price confirmation.

14+ Years Experience: Over 14 years of professional experience in the fastener industry.

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: ≤2.62h

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 us your details request (item No, style, logo, size, material, surface treatment, quantity etc.) the more detailed the better, leave us an inquiry or email to us and we will response promptly!

Q:How to get a free sample?

We recommend you work with T/T, PayPal, Western Union.. are all available.

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

Sample:7-10 working days (Standard). Bulk order:15-30 working days(Standard). If you have any other questions, please feel free to contact us!

Q:What materials are available for these screws?

Materials include Stainless Steel (SS304, SS316) and Alloy Steel (Grade 8.8, 10.9, 12.9).

Q:What surface treatments do you offer?

We offer Plain (Black oxide), Zinc Plated (White/Yellow), and Hot Dip Galvanized (H.D.G).